Internet Law 2006: Licensing and Open Source

The owner of a copyright has the exclusive rights, under 17 U.S.C. § 106, to reproduce, distribute, create derivative works, publicly perform, publicly display, and publicly digitally perform. Once an author has obtained copyright (by fixing an original work), he or she can exploit that copyright directly, transfer the copyright to another party, or license out some or all of the copyright rights.

Note that "[o]wnership of a copyright … is distinct from ownership of any material object in which the work is embodied. Transfer of ownership of any material object, including the copy or phonorecord in which the work is first fixed, does not of itself convey any rights in the copyrighted work embodied in the object." 17 U.S.C. § 202. That means when you buy a book, you own the physical object, and the right to re-sell that object, but not the copyright or the right to reproduce the book's text. Most books come with language like "All rights reserved."

Much software claims to be licensed, not sold, with the terms of an End User License Agreement ("EULA") dictating what you can and can't do with the product. One can hardly venture online without encountering (claimed) contracts. ISPs condition connection to the Internet on acceptance of “terms of service”; websites offer up terms of use; digital purchases carry shrink-wrap or click-wrap licenses. Contractual private ordering allows parties to customize the legal rules of their interactions when the defaults don’t suit.

Yet this private ordering raises intertwined substantive and procedural questions. Substantively, should we permit parties to “opt out” of legal rules with a signature or the click of a mouse? Why do the courts in Vault v. Quaid and ProCD v. Zeidenberg reach different conclusions about the preemption of state contract law and the enforceability of contract? Think about the limits of these arguments: Would Judge Reavley (Vault) invalidate a negotiated agreement that granted access to software conditioned on a corporate user’s agreement not to reverse engineer it? Would Judge Easterbrook (ProCD) permit software publishers to eliminate any possibility of reverse engineering – even where it is fair use under copyright law – by including prohibitory terms in click-wraps for all future software packages? How do efficiency and fairness choices factor in the decisions?

At the procedural level, even before we get to the terms of a contract, we must ask whether a contract was validly formed. Compare the ProCD and Specht contracts: Was there offer and acceptance? meeting of the minds?

Others choose to license their copyrights very differently, using it to create entirely new ways of doing business. The GNU General Public License (GPL) is a copyright license that uses copyright to enforce not closure but openness. The GPL encourages users to modify software and redistribute it – provided they do so on the same terms: with the source code to enable their users to do the same. Read the text of the GPL and watch how it accomplishes these “copyleft” attributes.

Since the GPL’s introduction in 1984, a whole ecosystem of “Free Software” and open source development has emerged. As the Free Software Foundation puts it, “you should think of ‘free’ as in ‘free speech,’ not as in ‘free beer.’” The GPL-licensed Linux kernel and GNU software power everything from embedded devices to TiVo digital video recorders (see <http://www.tivo.com/linux/linux.asp>) to Google. Companies such as RedHat sell packaging and services around Free Software.

The GPL has rarely been litigated because most companies confronted with evidence of violations have preferred to settle. See, e.g., Aaron Weiss, “The Open Source WRT54G Story,” Wi-Fi Planet, <http://www.wi-fiplanet.com/tutorials/article.php/3562391>. It is often said that most of the Internet runs on Free and open source software ("open source" is the name used by the more pragmatically oriented branch of the movement). Read the GPL to see how this works legally, then read the Cathedral and The Bazaar to see the kind of social structures that support Free and open source software.

Creative Commons has more recently turned the open-source spirit to non-software copyrights. Look again at the Creative Commons model in the “Commons Deed” and “Legal Code” to the Attribution-ShareAlike license reproduced here – options for authors and artists to publish with “some rights reserved.” Creative Commons now writes that “Yahoo! reports over 50,000,000 link-backs to our licenses” and 24 international jurisdictions have “ported” license to their legal systems.

How do Free and open-source software and Creative Commons licensing fit into broader copyright law? How do their licenses compare with the shrink-wrap of ProCD?

Vault Corp. v. Quaid Software, Ltd., 847 F.2d 255 (5th Cir. 1988)

Vault brought this copyright infringement action against Quaid seeking damages and preliminary and permanent injunctions. The district court denied Vault's motion for a preliminary injunction, holding that Vault did not have a reasonable probability of success on the merits. Vault Corp. v. Quaid Software Ltd., 655 F.Supp. 750 (E.D.La.1987). By stipulation of the parties, this ruling was made final and judgment was entered accordingly. We affirm.

Vault produces computer diskettes under the registered trademark "PROLOK" which are designed to prevent the unauthorized duplication of programs placed on them by software computer companies, Vault's customers…. Each version of PROLOK has been copyrighted and Vault includes a license agreement with every PROLOK package that specifically prohibits the copying, modification, translation, decompilation or disassembly of Vault's program. Beginning with version 2.0 in September 1985, Vault's license agreement contained a choice of law clause adopting Louisiana law.

Quaid's product, a diskette called "CopyWrite," contains a feature called "RAMKEY" which unlocks the PROLOK protective device and facilitates the creation of a fully functional copy of a program placed on a PROLOK diskette. …

Quaid first developed RAMKEY in September 1983 in response to PROLOK version 1.0. In order to develop this version of RAMKEY, Quaid copied Vault's program into the memory of its computer and analyzed the manner in which the program operated. When Vault developed version 1.07, Quaid adapted RAMKEY in 1984 to defeat this new version. …

II
Vault brought this action against Quaid seeking preliminary and permanent injunctions to prevent Quaid from advertising and selling RAMKEY, an order impounding all of Quaid's copies of CopyWrite which contain the RAMKEY feature, and monetary damages in the amount of $100,000,000. Vault asserted three copyright infringement claims cognizable under federal law, 17 U.S.C. § 101 et seq. (1977 & Supp.1988) (the "Copyright Act"), which included: (1) that Quaid violated 17 U.S.C. §§ 501(a) & 106(1) by copying Vault's program into its computer's memory for the purpose of developing a program (RAMKEY) designed to defeat the function of Vault's program; (2) that Quaid, through RAMKEY, contributes to the infringement of Vault's copyright and the copyrights of its customers in violation of the Copyright Act as interpreted by the Supreme Court in Sony Corp. of Am. v. Universal City Studios, 464 U.S. 417, 104 S.Ct. 774, 78 L.Ed.2d 574 (1984); and (3) that the second version of RAMKEY, which contained approximately thirty characters from PROLOK version 1.07, and the latest version of RAMKEY, constitute "derivative works" of Vault's program in violation of 17 U.S.C. §§ 501(a) & 106(2). Vault also asserted two claims based on Louisiana law, contending that Quaid breached its license agreement by decompiling or disassembling Vault's program in violation of the Louisiana Software License Enforcement Act, La.Rev.Stat.Ann. § 51:1961 et seq. (West 1987), and that Quaid misappropriated Vault's program in violation of the Louisiana Uniform Trade Secrets Act, La.Rev.Stat.Ann. § 51:1431 et seq. (West 1987). …

C. Contributory Infringement
Vault contends that, because purchasers of programs placed on PROLOK diskettes use the RAMKEY feature of CopyWrite to make unauthorized copies, Quaid's advertisement and sale of CopyWrite diskettes with the RAMKEY feature violate the Copyright Act by contributing to the infringement of Vault's copyright and the copyrights owned by Vault's customers. Vault asserts that it lost customers and substantial revenue as a result of Quaid's contributory infringement because software companies which previously relied on PROLOK diskettes to protect their programs from unauthorized copying have discontinued their use.

While a purchaser of a program on a PROLOK diskette violates sections 106(1) and 501(a) by making and distributing unauthorized copies of the program, the Copyright Act "does not expressly render anyone liable for the infringement committed by another." Sony, 464 U.S. at 434, 104 S.Ct. at 785. The Supreme Court in Sony, after examining the express provision in the Patent Act which imposes liability on an individual who "actively induces infringement of a patent," 35 U.S.C. § 271(b) & (c), and noting the similarity between the Patent and Copyright Acts, recognized the availability, under the Copyright Act, of vicarious liability against one who sells a product that is used to make unauthorized copies of copyrighted material. Id. at 434-42, 104 S.Ct. at 785-89. The Court held that liability based on contributory infringement could be imposed only where the seller had constructive knowledge of the fact that its product was used to make unauthorized copies of copyrighted material, id. at 339, 104 S.Ct. at 787, and that the sale of a product "does not constitute contributory infringement if the product is widely used for legitimate, unobjectionable purposes. Indeed, it need merely be capable of substantial noninfringing uses." Id. at 442, 104 S.Ct. at 789.

While Quaid concedes that it has actual knowledge that its product is used to make unauthorized copies of copyrighted material, it contends that the RAMKEY portion of its CopyWrite diskettes serves a substantial noninfringing use by allowing purchasers of programs on PROLOK diskettes to make archival copies as permitted under 17 U.S.C. § 117(2), and thus that it is not liable for contributory infringement…. [W]e find that RAMKEY is capable of substantial noninfringing uses and thus reject Vault's contention that the advertisement and sale of CopyWrite diskettes with RAMKEY constitute contributory infringement.

…The focus of Vault's allegation of contributory infringement in its amended complaint is that CopyWrite, through RAMKEY, enables purchasers of PROLOK protected programs to infringe the copyrights of Vault's customers and that, as a result, Vault has suffered damages due to its loss of customers. While Vault does not own the copyrights to its customer's programs, it does own the copyright to the program it places on each PROLOK diskette. This program operates in conjunction with the "fingerprint" to prevent the duplication of Vault's customer's programs. Uncontroverted testimony established that both Vault's protective program and its customer's program are copied onto a CopyWrite diskette when an individual executes a computer's "copy" function in order to duplicate the customer's program from a PROLOK diskette onto a CopyWrite diskette, and that RAMKEY then interacts with Vault's program to defeat its protective function and to make the computer operate as if the original PROLOK diskette was in one of its disk drives. Therefore, CopyWrite diskettes, through RAMKEY, facilitate not only the copying of Vault's customer's software programs but also the copying of Vault's protective program, and, in addition, RAMKEY interacts with Vault's program to destroy its purpose.

2. Substantial Noninfringing Uses of RAMKEY
Vault's allegation of contributory infringement focuses on the RAMKEY feature of CopyWrite diskettes, not on the non-RAMKEY portions of these diskettes. Vault has no objection to the advertising and marketing of CopyWrite diskettes without the RAMKEY feature, and this feature is separable from the underlying diskette upon which it is placed. Therefore, in determining whether Quaid engaged in contributory infringement, we do not focus on the substantial noninfringing uses of CopyWrite, as opposed to the RAMKEY feature itself. The issue properly presented is whether the RAMKEY feature has substantial noninfringing uses.

The starting point for our analysis is with Sony. The plaintiffs in Sony, owners of copyrighted television programs, sought to enjoin the manufacture and marketing of Betamax video tape recorders ("VTR's"), contending that VTR's contributed to the infringement of their copyrights by permitting the unauthorized copying of their programs. 464 U.S. at 419-20, 104 S.Ct. at 777. After noting that plaintiffs' market share of television programming was less than 10%, and that copyright holders of a significant quantity of television broadcasting authorized the copying of their programs, the Court held that VTR's serve the legitimate and substantially noninfringing purpose of recording these programs, as well as plaintiffs' programs, for future viewing (authorized and unauthorized time-shifting respectively), and therefore rejected plaintiffs' contributory infringement claim. Id. at 442-55, 104 S.Ct. at 789-95.

Quaid asserts that RAMKEY serves the legitimate purpose of permitting purchasers of programs recorded on PROLOK diskettes to make archival copies under § 117(2) and that this purpose constitutes a substantial noninfringing use. At trial, witnesses for Quaid testified that software programs placed on floppy diskettes are subject to damage by physical and human mishap and that RAMKEY protects a purchaser's investment by providing a fully functional archival copy that can be used if the original program on the PROLOK protected diskette, or the diskette itself, is destroyed. Quaid contends that an archival copy of a PROLOK protected program, made without RAMKEY, does not serve to protect against these forms of damage because a computer will not read the program into its memory from the copy unless the PROLOK diskette containing the original undamaged program is also in one of its disk drives, which is impossible if the PROLOK diskette, or the program placed thereon, has been destroyed due to physical or human mishap. ...

A copy of a PROLOK protected program made with RAMKEY protects an owner from all types of damage to the original program, while a copy made without RAMKEY only serves the limited function of protecting against damage to the original program by mechanical and electrical failure. Because § 117(2) permits the making of fully functional archival copies, it follows that RAMKEY is capable of substantial noninfringing uses. Quaid's advertisement and sale of CopyWrite diskettes with the RAMKEY feature does not constitute contributory infringement. ….

IV. Vault's Louisiana Claims
Seeking preliminary and permanent injunctions and damages, Vault's original complaint alleged that Quaid breached its license agreement by decompiling or disassembling Vault's program in violation of the Louisiana Software License Enforcement Act (the "License Act"), La.Rev.Stat.Ann. § 51:1961 et seq. (West 1987), and that Quaid misappropriated Vault's program in violation of the Louisiana Uniform Trade Secrets Act, La.Rev.Stat.Ann. § 51:1431 et seq. (West 1987). On appeal, Vault … seeks an injunction to prevent Quaid from decompiling or disassembling PROLOK version 2.0.

Louisiana's License Act permits a software producer to impose a number of contractual terms upon software purchasers provided that the terms are set forth in a license agreement which comports with La.Rev.Stat.Ann. §§ 51:1963 & 1965, and that this license agreement accompanies the producer's software. Enforceable terms include the prohibition of: (1) any copying of the program for any purpose; and (2) modifying and/or adapting the program in any way, including adaptation by reverse engineering, decompilation or disassembly. La.Rev.Stat.Ann. § 51:1964. The terms "reverse engineering, decompiling or disassembling" are defined as "any process by which computer software is converted from one form to another form which is more readily understandable to human beings, including without limitation any decoding or decrypting of any computer program which has been encoded or encrypted in any manner." La.Rev.Stat.Ann. § 51:1962(3).

Vault's license agreement, which accompanies PROLOK version 2.0 and comports with the requirements of La.Rev.Stat.Ann. §§ 51:1963 & 1965, provides that "[y]ou may not ... copy, modify, translate, convert to another programming language, decompile or disassemble" Vault's program. Vault asserts that these prohibitions are enforceable under Louisiana's License Act, and specifically seeks an injunction to prevent Quaid from decompiling or disassembling Vault's program.

The district court held that Vault's license agreement was "a contract of adhesion which could only be enforceable if the [Louisiana License Act] is a valid and enforceable statute." The court noted numerous conflicts between Louisiana's License Act and the Copyright Act, including: (1) while the License Act authorizes a total prohibition on copying, the Copyright Act allows archival copies and copies made as an essential step in the utilization of a computer program, 17 U.S.C. § 117; (2) while the License Act authorizes a perpetual bar against copying, the Copyright Act grants protection against unauthorized copying only for the life of the author plus fifty years, 17 U.S.C. § 302(a); and (3) while the License Act places no restrictions on programs which may be protected, under the Copyright Act, only "original works of authorship" can be protected, 17 U.S.C. § 102. The court concluded that, because Louisiana's License Act "touched upon the area" of federal copyright law, its provisions were preempted and Vault's license agreement was unenforceable.

In Sears, Roebuck & Co. v. Stiffel Co., 376 U.S. 225, 84 S.Ct. 784, 11 L.Ed.2d 661 (1964), the Supreme Court held that "[w]hen state law touches upon the area of [patent or copyright statutes], it is 'familiar doctrine' that the federal policy 'may not be set at naught, or its benefits denied' by the state law." Id. at 229, 84 S.Ct. at 787 (quoting Sola Elec. Co. v. Jefferson Elec. Co., 317 U.S. 173, 176, 63 S.Ct. 172, 173, 87 L.Ed. 165 (1942)). See Compco Corp. v. Day-Brite Lighting, Inc., 376 U.S. 234, 84 S.Ct. 779, 11 L.Ed.2d 669 (1964)…. Section 117 of the Copyright Act permits an owner of a computer program to make an adaptation of that program provided that the adaptation is either "created as an essential step in the utilization of the computer program in conjunction with a machine," § 117(1), or "is for archival purpose only," § 117(2). The provision in Louisiana's License Act, which permits a software producer to prohibit the adaptation of its licensed computer program by decompilation or disassembly, conflicts with the rights of computer program owners under § 117 and clearly "touches upon an area" of federal copyright law. For this reason, and the reasons set forth by the district court, we hold that at least this provision of Louisiana's License Act is preempted by federal law, and thus that the restriction in Vault's license agreement against decompilation or disassembly is unenforceable.

V. Conclusion
We hold that: (1) Quaid did not infringe Vault's exclusive right to reproduce its program in copies under § 106(1); (2) Quaid's advertisement and sale of RAMKEY does not constitute contributory infringement; (3) RAMKEY does not constitute a derivative work of Vault's program under § 106(2); and (4) the provision in Vault's license agreement, which prohibits the decompilation or disassembly of its program, is unenforceable.
The judgment of the district court is AFFIRMED.

ProCD Inc. v. Zeidenberg, 86 F.3d 1447 (7th Cir. 1996)

Must buyers of computer software obey the terms of shrinkwrap licenses? The district court held not, for two reasons: first, they are not contracts because the licenses are inside the box rather than printed on the outside; second, federal law forbids enforcement even if the licenses are contracts. … [W]e disagree with the district judge's conclusion on each. Shrinkwrap licenses are enforceable unless their terms are objectionable on grounds applicable to contracts in general (for example, if they violate a rule of positive law, or if they are unconscionable). …

ProCD, the plaintiff, has compiled information from more than 3,000 telephone directories into a computer database. We may assume that this database cannot be copyrighted, although it is more complex, contains more information (nine-digit zip codes and census industrial codes), is organized differently, and therefore is more original than the single alphabetical directory at issue in Feist Publications, Inc. v. Rural Telephone Service Co., 499 U.S. 340 (1991). ProCD sells a version of the database, called SelectPhone, on CD-ROM discs. (CD-ROM means "compact disc-read only memory." The "shrinkwrap license" gets its name from the fact that retail software packages are covered in plastic or cellophane "shrinkwrap," and some vendors, though not ProCD, have written licenses that become effective as soon as the customer tears the wrapping from the package. Vendors prefer "end user license," but we use the more common term.) …

The database in SelectPhone cost more than $10 million to compile and is expensive to keep current. It is much more valuable to some users than to others. The combination of names, addresses, and SIC codes enables manufacturers to compile lists of potential customers. Manufacturers and retailers pay high prices to specialized information intermediaries for such mailing lists; ProCD offers a potentially cheaper alternative. People with nothing to sell could use the database as a substitute for calling long distance information, or as a way to look up old friends who have moved to unknown towns, or just as a electronic substitute for the local phone book. ProCD decided to engage in price discrimination, selling its database to the general public for personal use at a low price (approximately $150 for the set of five discs) while selling information to the trade for a higher price. It has adopted some intermediate strategies too: access to the SelectPhone database is available via the America On-line service for the price America Online charges to its clients (approximately $3 per hour), but this service has been tailored to be useful only to the general public.

If ProCD had to recover all of its costs and make a profit by charging a single price--that is, if it could not charge more to commercial users than to the general public--it would have to raise the price substantially over $150. The ensuing reduction in sales would harm consumers who value the information at, say, $200. They get consumer surplus of $50 under the current arrangement but would cease to buy if the price rose substantially. If because of high elasticity of demand in the consumer segment of the market the only way to make a profit turned out to be a price attractive to commercial users alone, then all consumers would lose out--and so would the commercial clients, who would have to pay more for the listings because ProCD could not obtain any contribution toward costs from the consumer market.

To make price discrimination work, however, the seller must be able to control arbitrage. An air carrier sells tickets for less to vacationers than to business travelers, using advance purchase and Saturday--night-stay requirements to distinguish the categories. A producer of movies segments the market by time, releasing first to theaters, then to pay-per-view services, next to the videotape and laserdisc market, and finally to cable and commercial tv. Vendors of computer software have a harder task. Anyone can walk into a retail store and buy a box. Customers do not wear tags saying "commercial user" or "consumer user." Anyway, even a commercial-user-detector at the door would not work, because a consumer could buy the software and resell to a commercial user. That arbitrage would break down the price discrimination and drive up the minimum price at which ProCD would sell to anyone.

Instead of tinkering with the product and letting users sort themselves--for example, furnishing current data at a high price that would be attractive only to commercial customers, and two-year-old data at a low price--ProCD turned to the institution of contract. Every box containing its consumer product declares that the software comes with restrictions stated in an enclosed license. This license, which is encoded on the CD-ROM disks as well as printed in the manual, and which appears on a user's screen every time the software runs, limits use of the application program and listings to non-commercial purposes.

Matthew Zeidenberg bought a consumer package of SelectPhone in 1994 from a retail outlet in Madison, Wisconsin, but decided to ignore the license. He formed Silken Mountain Web Services, Inc., to resell the information in the SelectPhone database. The corporation makes the database available on the Internet to anyone willing to pay its price--which, needless to say, is less than ProCD charges its commercial customers. …

Following the district court, we treat the licenses as ordinary contracts accompanying the sale of products, and therefore as governed by the common law of contracts and the Uniform Commercial Code. Whether there are legal differences between "contracts" and "licenses" (which may matter under the copyright doctrine of first sale) is a subject for another day. … Zeidenberg [argues], and the district court held, that placing the package of software on the shelf is an "offer," which the customer "accepts" by paying the asking price and leaving the store with the goods. In Wisconsin, as elsewhere, a contract includes only the terms on which the parties have agreed. One cannot agree to hidden terms, the judge concluded. So far, so good--but one of the terms to which Zeidenberg agreed by purchasing the software is that the transaction was subject to a license. Zeidenberg's position therefore must be that the printed terms on the outside of a box are the parties' contract--except for printed terms that refer to or incorporate other terms. But why would Wisconsin fetter the parties' choice in this way? Vendors can put the entire terms of a contract on the outside of a box only by using microscopic type, removing other information that buyers might find more useful (such as what the software does, and on which computers it works), or both. The "Read Me" file included with most software, describing system requirements and potential incompatibilities, may be equivalent to ten pages of type; warranties and license restrictions take still more space. Notice on the outside, terms on the inside, and a right to return the software for a refund if the terms are unacceptable (a right that the license expressly extends), may be a means of doing business valuable to buyers and sellers alike. … Doubtless a state could forbid the use of standard contracts in the software business, but we do not think that Wisconsin has done so.

Transactions in which the exchange of money precedes the communication of detailed terms are common. Consider the purchase of insurance. The buyer goes to an agent, who explains the essentials (amount of coverage, number of years) and remits the premium to the home office, which sends back a policy. On the district judge's understanding, the terms of the policy are irrelevant because the insured paid before receiving them. Yet the device of payment, often with a "binder" (so that the insurance takes effect immediately even though the home office reserves the right to withdraw coverage later), in advance of the policy, serves buyers' interests by accelerating effectiveness and reducing transactions costs. Or consider the purchase of an airline ticket. The traveler calls the carrier or an agent, is quoted a price, reserves a seat, pays, and gets a ticket, in that order. The ticket contains elaborate terms, which the traveler can reject by canceling the reservation. To use the ticket is to accept the terms, even terms that in retrospect are disadvantageous. See Carnival Cruise Lines, Inc. v. Shute, 499 U.S. 585 (1991); see also Vimar Seguros y Reaseguros, S.A. v. M/V Sky Reefer, 115 S. Ct. 2322 (1995) (bills of lading). Just so with a ticket to a concert. The back of the ticket states that the patron promises not to record the concert; to attend is to agree. A theater that detects a violation will confiscate the tape and escort the violator to the exit. One could arrange things so that every concertgoer signs this promise before forking over the money, but that cumbersome way of doing things not only would lengthen queues and raise prices but also would scotch the sale of tickets by phone or electronic data service.

Consumer goods work the same way. Someone who wants to buy a radio set visits a store, pays, and walks out with a box. Inside the box is a leaflet containing some terms, the most important of which usually is the warranty, read for the first time in the comfort of home. By Zeidenberg's lights, the warranty in the box is irrelevant; every consumer gets the standard warranty implied by the UCC in the event the contract is silent; yet so far as we are aware no state disregards warranties furnished with consumer products. Drugs come with a list of ingredients on the outside and an elaborate package insert on the inside. The package insert describes drug interactions, contraindications, and other vital information--but, if Zeidenberg is right, the purchaser need not read the package insert, because it is not part of the contract. Next consider the software industry itself. Only a minority of sales take place over the counter, where there are boxes to peruse. A customer pay place an order by phone in response to a line item in a catalog or a review in a magazine. Much software is ordered over the Internet by purchasers who have never seen a box. Increasingly software arrives by wire. There is no box; there is only a stream of electrons, a collection of information that includes data, an application program, instructions, many limitations ("MegaPixel 3.14159 cannot be used with BytePusher 2.718"), and the terms of sale. The user purchases a serial number, which activates the software's features. On Zeidenberg's arguments, these unboxed sales are unfettered by terms--so the seller has made a broad warranty and must pay consequential damages for any shortfalls in performance, two "promises" that if taken seriously would drive prices through the ceiling or return transactions to the horse-and-buggy age.

According to the district court, the UCC does not countenance the sequence of money now, terms later. … One of the court's reasons--that by proposing as part of the draft Article 2B a new UCC sec. 2-2203 that would explicitly validate standard-form user licenses, the American Law Institute and the National Conference of Commissioners on Uniform Laws have conceded the invalidity of shrinkwrap licenses under current law, see 908 F. Supp. at 65566--depends on a faulty inference. To propose a change in a law's text is not necessarily to propose a change in the law's effect. New words may be designed to fortify the current rule with a more precise text that curtails uncertainty. To judge by the flux of law review articles discussing shrinkwrap licenses, uncertainty is much in need of reduction--although businesses seem to feel less uncertainty than do scholars, for only three cases (other than ours) touch on the subject, and none directly addresses it. See Step-Saver Data Systems, Inc. v. Wyse Technology, 939 F.2d 91 (3d Cir. 1991); Vault Corp. v. Quaid Software Ltd., 847 F.2d 255, 268-70 (5th Cir. 1988); Arizona Retail Systems, Inc. v. Software Link, Inc., 831 F. Supp. 759 (D. Ariz. 1993). As their titles suggest, these are not consumer transactions. Step-Saver is a battle-of the-forms case, in which the parties exchange incompatible forms and a court must decide which prevails. See Northrop Corp. v. Litronic Industries, 29 F.3d 1173 (7th Cir. 1994) (Illinois law); Douglas G. Baird & Robert Weisberg, Rules, Standards, and the Battle of the Forms: A Reassessment of sec. 2-207, 68 Va. L. Rev. 1217, 1227-31 (1982). Our case has only one form; UCC sec. 2-207 is irrelevant. Vault holds that Louisiana's special shrinkwrap-license statute is preempted by federal law, a question to which we return. And Arizona Retail Systems did not reach the question, because the court found that the buyer knew the terms of the license before purchasing the software.

What then does the current version of the UCC have to say? We think that the place to start is sec. 2-204(1): "A contract for sale of goods may be made in any manner sufficient to show agreement, including conduct by both parties which recognizes the existence of such a contract." A vendor, as master of the offer, may invite acceptance by conduct, and may propose limitations on the kind of conduct that constitutes acceptance. A buyer may accept by performing the acts the vendor proposes to treat as acceptance. And that is what happened. ProCD proposed a contract that a buyer would accept by using the software after having an opportunity to read the license at leisure. This Zeidenberg did. He had no choice, because the software splashed the license on the screen and would not let him proceed without indicating acceptance. So although the district judge was right to say that a contract can be, and often is, formed simply by paying the price and walking out of the store, the UCC permits contracts to be formed in other ways. ProCD proposed such a different way, and without protest Zeidenberg agreed. Ours is not a case in which a consumer opens a package to find an insert saying "you owe us an extra $10,000" and the seller files suit to collect. Any buyer finding such a demand can prevent formation of the contract by returning the package, as can any consumer who concludes that the terms of the license make the software worth less than the purchase price. Nothing in the UCC requires a seller to maximize the buyer's net gains.

Section 2-606, which defines "acceptance of goods", reinforces this understanding. A buyer accepts goods under sec. 2-606(1)(b) when, after an opportunity to inspect, he fails to make an effective rejection under sec. 2-602(1). ProCD extended an opportunity to reject if a buyer should find the license terms unsatisfactory; Zeidenberg inspected the package, tried out the software, learned of the license, and did not reject the goods. We refer to sec. 2-606 only to show that the opportunity to return goods can be important; acceptance of an offer differs from acceptance of goods after delivery, see Gillen v. Atalanta Systems, Inc., 997 F.2d 280, 284 n.1 (7th Cir. 1993); but the UCC consistently permits the parties to structure their relations so that the buyer has a chance to make a final decision after a detailed review.

Some portions of the UCC impose additional requirements on the way parties agree on terms. A disclaimer of the implied warranty of merchantability must be "conspicuous." UCC sec. 2-316(2), incorporating UCC sec. 1-201(10). Promises to make firm offers, or to negate oral modifications, must be "separately signed." UCC secs. 2-205, 2-209(2). These special provisos reinforce the impression that, so far as the UCC is concerned, other terms may be as inconspicuous as the forum-selection clause on the back of the cruise ship ticket in Carnival Lines. Zeidenberg has not located any Wisconsin case--for that matter, any case in any state--holding that under the UCC the ordinary terms found in shrinkwrap licenses require any special prominence, or otherwise are to be undercut rather than enforced. In the end, the terms of the license are conceptually identical to the contents of the package. Just as no court would dream of saying that SelectPhone must contain 3,100 phone books rather than 3,000, or must have data no more than 30 days old, or must sell for $100 rather than $150--although any of these changes would be welcomed by the customer, if all other things were held constant--so, we believe, Wisconsin would not let the buyer pick and choose among terms. Terms of use are no less a part of "the product" than are the size of the database and the speed with which the software compiles listings. Competition among vendors, not judicial revision of a package's contents, is how consumers are protected in a market economy. Digital Equipment Corp. v. Uniq Digital Technologies, Inc., 73 F.3d 756 (7th Cir. 1996). ProCD has rivals, which may elect to compete by offering superior software, monthly updates, improved terms of use, lower price, or a better compromise among these elements. As we stressed above, adjusting terms in buyers' favor might help Matthew Zeidenberg today (he already has the software) but would lead to a response, such as a higher price, that might make consumers as a whole worse off.

The district court held that, even if Wisconsin treats shrinkwrap licenses as contracts, sec. 301(a) of the Copyright Act, 17 U.S.C. sec. 301(a), prevents their enforcement. The relevant part of sec. 301(a) preempts any "legal or equitable rights [under state law] that are equivalent to any of the exclusive rights within the general scope of copyright as specified by section 106 in works of authorship that are fixed in a tangible medium of expression and come within the subject matter of copyright as specified by sections 102 and 103". ProCD's software and data are "fixed in a tangible medium of expression", and the district judge held that they are "within the subject matter of copyright". The latter conclusion is plainly right for the copyrighted application program, and the judge thought that the data likewise are "within the subject matter of copyright" even if, after Feist, they are not sufficiently original to be copyrighted. … One function of sec. 301(a) is to prevent states from giving special protection to works of authorship that Congress has decided should be in the public domain, which it can accomplish only if "subject matter of copyright" includes all works of a type covered by sections 102 and 103, even if federal law does not afford protection to them. Cf. Bonito Boats, Inc. v. Thunder Craft Boats, Inc., 489 U.S. 141 (1989) (same principle under patent laws).

But are rights created by contract "equivalent to any of the exclusive rights within the general scope of copyright"? Three courts of appeals have answered "no." National Car Rental Systems, Inc. v. Computer Associates International, Inc., 991 F.2d 426, 433 (8th Cir. 1993); Taquino v. Teledyne Monarch Rubber, 893 F.2d 1488, 1501 (5th Cir. 1990); Acorn Structures, Inc. v. Swantz, 846 F.2d 923, 926 (4th Cir. 1988). The district court disagreed with these decisions, but we think them sound. Rights "equivalent to any of the exclusive rights within the general scope of copyright" are rights established by law--rights that restrict the options of persons who are strangers to the author. Copyright law forbids duplication, public performance, and so on, unless the person wishing to copy or perform the work gets permission; silence means a ban on copying. A copyright is a right against the world. Contracts, by contrast, generally affect only their parties; strangers may do as they please, so contracts do not create "exclusive rights." Someone who found a copy of SelectPhone on the street would not be affected by the shrinkwrap license--though the federal copyright laws of their own force would limit the finder's ability to copy or transmit the application program.

Think for a moment about trade secrets. One common trade secret is a customer list. After Feist, a simple alphabetical list of a firm's customers, with address and telephone numbers, could not be protected by copyright. Yet Kewanee Oil Co. v. Bicron Corp., 416 U.S. 470 (1974), holds that contracts about trade secrets may be enforced--precisely because they do not affect strangers' ability to discover and use the information independently. If the amendment of sec. 301(a) in 1976 overruled Kewanee and abolished consensual protection of those trade secrets that cannot be copyrighted, no one has noticed--though abolition is a logical consequence of the district court's approach. Think, too, about everyday transactions in intellectual property. A customer visits a video store and rents a copy of Night of the Lepus. The customer's contract with the store limits use of the tape to home viewing and requires its return in two days. May the customer keep the tape, on the ground that sec. 301(a) makes the promise unenforceable? …. [S]ome applications of the law of contract could interfere with the attainment of national objectives and therefore come within the domain of sec. 301(a). But general enforcement of shrinkwrap licenses of the kind before us does not create such interference.

… Everyone remains free to copy and disseminate all 3,000 telephone books that have been incorporated into ProCD's database. Anyone can add sic codes and zip codes. ProCD's rivals have done so. Enforcement of the shrinkwrap license may even make information more readily available, by reducing the price ProCD charges to consumer buyers. To the extent licenses facilitate distribution of object code while concealing the source code (the point of a clause forbidding disassembly), they serve the same procompetitive functions as does the law of trade secrets. Rockwell Graphic Systems, Inc. v. DEV Industries, Inc., 925 F.2d 174, 180 (7th Cir. 1991). Licenses may have other benefits for consumers: many licenses permit users to make extra copies, to use the software on multiple computers, even to incorporate the software into the user's products. But whether a particular license is generous or restrictive, a simple two-party contract is not "equivalent to any of the exclusive rights within the general scope of copyright" and therefore may be enforced.

Specht v. Netscape Comm. Corp., 306 F.3d 17 (2d. Cir. 2002)

This is an appeal from a judgment of the Southern District of New York denying a motion by defendants-appellants Netscape Communications Corporation and its corporate parent, America Online, Inc. (collectively, "defendants" or "Netscape"), to compel arbitration and to stay court proceedings. In order to resolve the central question of arbitrability presented here, we must address issues of contract formation in cyberspace. Principally, we are asked to determine whether plaintiffs-appellees ("plaintiffs"), by acting upon defendants' invitation to download free software made available on defendants' webpage, agreed to be bound by the software's license terms (which included the arbitration clause at issue), even though plaintiffs could not have learned of the existence of those terms unless, prior to executing the download, they had scrolled down the webpage to a screen located below the download button. We agree with the district court that a reasonably prudent Internet user in circumstances such as these would not have known or learned of the existence of the license terms before responding to defendants' invitation to download the free software, and that defendants therefore did not provide reasonable notice of the license terms. In consequence, plaintiffs' bare act of downloading the software did not unambiguously manifest assent to the arbitration provision contained in the license terms….

We therefore affirm the district court's denial of defendants' motion to compel arbitration and to stay court proceedings.

In three related putative class actions,¹ plaintiffs alleged that, unknown to them, their use of SmartDownload transmitted to defendants private information about plaintiffs' downloading of files from the Internet, thereby effecting an electronic surveillance of their online activities in violation of two federal statutes, the Electronic Communications Privacy Act, 18 U.S.C. §§ 2510 et seq., and the Computer Fraud and Abuse Act, 18 U.S.C. § 1030.

In the time period relevant to this litigation, Netscape offered on its website various software programs, including Communicator and SmartDownload, which visitors to the site were invited to obtain free of charge. It is undisputed that five of the six named plaintiffs… downloaded Communicator from the Netscape website…. no clickwrap presentation accompanied the [download of SmartDownload]. Instead, once plaintiffs … had clicked on the "Download" button located at or near the bottom of their screen, and the downloading of SmartDownload was complete, these plaintiffs encountered no further information about the plug-in program or the existence of license terms governing its use.⁹ The sole reference to SmartDownload's license terms on the "SmartDownload Communicator" webpage was located in text that would have become visible to plaintiffs only if they had scrolled down to the next screen.

Had plaintiffs scrolled down instead of acting on defendants' invitation to click on the "Download" button, they would have encountered the following invitation: "Please review and agree to the terms of the Netscape SmartDownload software license agreement before downloading and using the software." Plaintiffs Gibson, Gruber, Kelly, and Weindorf averred in their affidavits that they never saw this reference to the SmartDownload license agreement when they clicked on the "Download" button. They also testified during depositions that they saw no reference to license terms when they clicked to download SmartDownload, although under questioning by defendants' counsel, some plaintiffs added that they could not "remember" or be "sure" whether the screen shots of the SmartDownload page attached to their affidavits reflected precisely what they had seen on their computer screens when they downloaded SmartDownload.¹⁰

In sum, plaintiffs Gibson, Gruber, Kelly, and Weindorf allege that the process of obtaining SmartDownload contrasted sharply with that of obtaining Communicator. Having selected SmartDownload, they were required neither to express unambiguous assent to that program's license agreement nor even to view the license terms or become aware of their existence before proceeding with the invited download of the free plug-in program. Moreover, once these plaintiffs had initiated the download, the existence of SmartDownload's license terms was not mentioned while the software was running or at any later point in plaintiffs' experience of the product.

Even for a user who, unlike plaintiffs, did happen to scroll down past the download button, SmartDownload's license terms would not have been immediately displayed in the manner of Communicator's clickwrapped terms. Instead, if such a user had seen the notice of SmartDownload's terms and then clicked on the underlined invitation to review and agree to the terms, a hypertext link would have taken the user to a separate webpage entitled "License & Support Agreements." The first paragraph on this page read, in pertinent part:

The use of each Netscape software product is governed by a license agreement. You must read and agree to the license agreement terms BEFORE acquiring a product. Please click on the appropriate link below to review the current license agreement for the product of interest to you before acquisition. For products available for download, you must read and agree to the license agreement terms BEFORE you install the software. If you do not agree to the license terms, do not download, install or use the software.

Below this paragraph appeared a list of license agreements, the first of which was "License Agreement for Netscape Navigator and Netscape Communicator Product Family (Netscape Navigator, Netscape Communicator and Netscape SmartDownload)." If the user clicked on that link, he or she would be taken to yet another webpage that contained the full text of a license agreement that was identical in every respect to the Communicator license agreement except that it stated that its "terms apply to Netscape Communicator, Netscape Navigator, and Netscape SmartDownload." The license agreement granted the user a nonexclusive license to use and reproduce the software, subject to certain terms:

BY CLICKING THE ACCEPTANCE BUTTON OR INSTALLING OR USING NETSCAPE COMMUNICATOR, NETSCAPE NAVIGATOR, OR NETSCAPE SMARTDOWNLOAD SOFTWARE (THE "PRODUCT"), THE INDIVIDUAL OR ENTITY LICENSING THE PRODUCT ("LICENSEE") IS CONSENTING TO BE BOUND BY AND IS BECOMING A PARTY TO THIS AGREEMENT. IF LICENSEE DOES NOT AGREE TO ALL OF THE TERMS OF THIS AGREEMENT, THE BUTTON INDICATING NON-ACCEPTANCE MUST BE SELECTED, AND LICENSEE MUST NOT INSTALL OR USE THE SOFTWARE.

Among the license terms was a provision requiring virtually all disputes relating to the agreement to be submitted to arbitration:

…It is well settled that a court may not compel arbitration until it has resolved "the question of the very existence" of the contract embodying the arbitration clause. Interocean Shipping Co. v. Nat'l Shipping & Trading Corp., 462 F.2d 673, 676 (2d Cir. 1972). "[A]rbitration is a matter of contract and a party cannot be required to submit to arbitration any dispute which he has not agreed so to submit." AT & T Techs., Inc. v. Communications Workers of Am., 475 U.S. 643, 648 (1986) (quotation marks omitted). Unless the parties clearly provide otherwise, "the question of arbitrability-whether a[n] . . . agreement creates a duty for the parties to arbitrate the particular grievance-is undeniably an issue for judicial determination." Id. at 649.

The district court properly concluded that in deciding whether parties agreed to arbitrate a certain matter, a court should generally apply state- law principles to the issue of contract formation…

III. Whether the User Plaintiffs Had Reasonable Notice of and Manifested Assent to the SmartDownload License Agreement

Whether governed by the common law or by Article 2 of the Uniform Commercial Code ("UCC"), a transaction, in order to be a contract, requires a manifestation of agreement between the parties. See Windsor Mills, Inc. v. Collins & Aikman Corp., 101 Cal. Rptr. 347, 350 (Cal. Ct. App. 1972) ("[C]onsent to, or acceptance of, the arbitration provision [is] necessary to create an agreement to arbitrate."); see also Cal. Com. Code § 2204(1) ("A contract for sale of goods may be made in any manner sufficient to show agreement, including conduct by both parties which recognizes the existence of such a contract.").¹³ Mutual manifestation of assent, whether by written or spoken word or by conduct, is the touchstone of contract. Binder v. Aetna Life Ins. Co., 89 Cal. Rptr. 2d 540, 551 (Cal. Ct. App. 1999); cf. Restatement (Second) of Contracts § 19(2) (1981) ("The conduct of a party is not effective as a manifestation of his assent unless he intends to engage in the conduct and knows or has reason to know that the other party may infer from his conduct that he assents."). Although an onlooker observing the disputed transactions in this case would have seen each of the user plaintiffs click on the SmartDownload "Download" button, see Cedars Sinai Med. Ctr. v. Mid-West Nat'l Life Ins. Co., 118 F. Supp. 2d 1002, 1008 (C.D. Cal. 2000) ("In California, a party's intent to contract is judged objectively, by the party's outward manifestation of consent."), a consumer's clicking on a download button does not communicate assent to contractual terms if the offer did not make clear to the consumer that clicking on the download button would signify assent to those terms, see Windsor Mills, 101 Cal. Rptr. at 351 ("[W]hen the offeree does not know that a proposal has been made to him this objective standard does not apply."). California's common law is clear that "an offeree, regardless of apparent manifestation of his consent, is not bound by inconspicuous contractual provisions of which he is unaware, contained in a document whose contractual nature is not obvious." Id.; see also Marin Storage & Trucking, Inc. v. Benco Contracting & Eng'g, Inc., 107 Cal. Rptr. 2d 645, 651 (Cal. Ct. App. 2001) (same).

Arbitration agreements are no exception to the requirement of manifestation of assent. "This principle of knowing consent applies with particular force to provisions for arbitration." Windsor Mills, 101 Cal. Rptr. at 351. Clarity and conspicuousness of arbitration terms are important in securing informed assent. "If a party wishes to bind in writing another to an agreement to arbitrate future disputes, such purpose should be accomplished in a way that each party to the arrangement will fully and clearly comprehend that the agreement to arbitrate exists and binds the parties thereto." Commercial Factors Corp. v. Kurtzman Bros., 280 P.2d 146, 147-48 (Cal. Dist. Ct. App. 1955) (internal quotation marks omitted). Thus, California contract law measures assent by an objective standard that takes into account both what the offeree said, wrote, or did and the transactional context in which the offeree verbalized or acted.

Defendants argue that plaintiffs must be held to a standard of reasonable prudence and that, because notice of the existence of SmartDownload license terms was on the next scrollable screen, plaintiffs were on "inquiry notice" of those terms.¹⁴ We disagree with the proposition that a reasonably prudent offeree in plaintiffs' position would necessarily have known or learned of the existence of the SmartDownload license agreement prior to acting, so that plaintiffs may be held to have assented to that agreement with constructive notice of its terms. See Cal. Civ. Code § 1589 ("A voluntary acceptance of the benefit of a transaction is equivalent to a consent to all the obligations arising from it, so far as the facts are known, or ought to be known, to the person accepting."). It is true that "[a] party cannot avoid the terms of a contract on the ground that he or she failed to read it before signing." Marin Storage & Trucking, 107 Cal. Rptr. 2d at 651. But courts are quick to add: "An exception to this general rule exists when the writing does not appear to be a contract and the terms are not called to the attention of the recipient. In such a case, no contract is formed with respect to the undisclosed term." Id.; cf. Cory v. Golden State Bank, 157 Cal. Rptr. 538, 541 (Cal. Ct. App. 1979) ("[T]he provision in question is effectively hidden from the view of money order purchasers until after the transactions are completed. . . . Under these circumstances, it must be concluded that the Bank's money order purchasers are not chargeable with either actual or constructive notice of the service charge provision, and therefore cannot be deemed to have consented to the provision as part of their transaction with the Bank.").

…[R]eceipt of a physical document containing contract terms or notice thereof is frequently deemed, in the world of paper transactions, a sufficient circumstance to place the offeree on inquiry notice of those terms. "Every person who has actual notice of circumstances sufficient to put a prudent man upon inquiry as to a particular fact, has constructive notice of the fact itself in all cases in which, by prosecuting such inquiry, he might have learned such fact." Cal. Civ. Code § 19. These principles apply equally to the emergent world of online product delivery, pop-up screens, hyperlinked pages, clickwrap licensing, scrollable documents, and urgent admonitions to "Download Now!". What plaintiffs saw when they were being invited by defendants to download this fast, free plug-in called SmartDownload was a screen containing praise for the product and, at the very bottom of the screen, a "Download" button. Defendants argue that under the principles set forth in the cases cited above, a "fair and prudent person using ordinary care" would have been on inquiry notice of SmartDownload's license terms. Shacket, 651 F. Supp. at 690.

We are not persuaded that a reasonably prudent offeree in these circumstances would have known of the existence of license terms. Plaintiffs were responding to an offer that did not carry an immediately visible notice of the existence of license terms or require unambiguous manifestation of assent to those terms. Thus, plaintiffs' "apparent manifestation of . . . consent" was to terms "contained in a document whose contractual nature [was] not obvious." Windsor Mills, 101 Cal. Rptr. at 351. Moreover, the fact that, given the position of the scroll bar on their computer screens, plaintiffs may have been aware that an unexplored portion of the Netscape webpage remained below the download button does not mean that they reasonably should have concluded that this portion contained a notice of license terms. In their deposition testimony, plaintiffs variously stated that they used the scroll bar "[o]nly if there is something that I feel I need to see that is on-that is off the page," or that the elevated position of the scroll bar suggested the presence of "mere[] formalities, standard lower banner links" or "that the page is bigger than what I can see." Plaintiffs testified, and defendants did not refute, that plaintiffs were in fact unaware that defendants intended to attach license terms to the use of SmartDownload.

We conclude that in circumstances such as these, where consumers are urged to download free software at the immediate click of a button, a reference to the existence of license terms on a submerged screen is not sufficient to place consumers on inquiry or constructive notice of those terms.¹⁵ The SmartDownload webpage screen was "printed in such a manner that it tended to conceal the fact that it was an express acceptance of [Netscape's] rules and regulations." Larrus, 266 P.2d at 147. Internet users may have, as defendants put it, "as much time as they need[]" to scroll through multiple screens on a webpage, but there is no reason to assume that viewers will scroll down to subsequent screens simply because screens are there. When products are "free" and users are invited to download them in the absence of reasonably conspicuous notice that they are about to bind themselves to contract terms, the transactional circumstances cannot be fully analogized to those in the paper world of arm's-length bargaining. In the next two sections, we discuss case law and other legal authorities that have addressed the circumstances of computer sales, software licensing, and online transacting. Those authorities tend strongly to support our conclusion that plaintiffs did not manifest assent to SmartDownload's license terms.

…For the foregoing reasons, we affirm the district court's denial of defendants' motion to compel arbitration and to stay court proceedings.

GNU GENERAL PUBLIC LICENSE

Preamble

The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Library General Public License instead.) You can apply it to your programs, too.

When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things.

To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it.

For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights.

We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software.

Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations.

Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all.

The precise terms and conditions for copying, distribution and modification follow.

TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you".

Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does.

1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program.

You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee.

2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions:

These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it.

Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program.

In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License.

3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following:

The source code for a work means the preferred form of the work for making modifications to it. For an executable work, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the executable. However, as a special exception, the source code distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable.

If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code.

4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance.

5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it.

6. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License.

7. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program.

If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances.

It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice.

This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License.

8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License.

9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns.

Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation.

10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally.

11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

END OF TERMS AND CONDITIONS

How to Apply These Terms to Your New Programs

If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms.

To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found.

If the program is interactive, make it output a short notice like this when it starts in an interactive mode:

The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program.

You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names:

This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library

Creative Commons Deed: Attribution-ShareAlike 2.5

Creative Commons Legal Code: Attribution-ShareAlike 2.5

Attribution-ShareAlike 2.5

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License

THE WORK (AS DEFINED BELOW) IS PROVIDED UNDER THE TERMS OF THIS CREATIVE COMMONS PUBLIC LICENSE ("CCPL" OR "LICENSE"). THE WORK IS PROTECTED BY COPYRIGHT AND/OR OTHER APPLICABLE LAW. ANY USE OF THE WORK OTHER THAN AS AUTHORIZED UNDER THIS LICENSE OR COPYRIGHT LAW IS PROHIBITED.

BY EXERCISING ANY RIGHTS TO THE WORK PROVIDED HERE, YOU ACCEPT AND AGREE TO BE BOUND BY THE TERMS OF THIS LICENSE. THE LICENSOR GRANTS YOU THE RIGHTS CONTAINED HERE IN CONSIDERATION OF YOUR ACCEPTANCE OF SUCH TERMS AND CONDITIONS.

1. Definitions

"Collective Work" means a work, such as a periodical issue, anthology or encyclopedia, in which the Work in its entirety in unmodified form, along with a number of other contributions, constituting separate and independent works in themselves, are assembled into a collective whole. A work that constitutes a Collective Work will not be considered a Derivative Work (as defined below) for the purposes of this License.
"Derivative Work" means a work based upon the Work or upon the Work and other pre-existing works, such as a translation, musical arrangement, dramatization, fictionalization, motion picture version, sound recording, art reproduction, abridgment, condensation, or any other form in which the Work may be recast, transformed, or adapted, except that a work that constitutes a Collective Work will not be considered a Derivative Work for the purpose of this License. For the avoidance of doubt, where the Work is a musical composition or sound recording, the synchronization of the Work in timed-relation with a moving image ("synching") will be considered a Derivative Work for the purpose of this License.
"Licensor" means the individual or entity that offers the Work under the terms of this License.
"Original Author" means the individual or entity who created the Work.
"Work" means the copyrightable work of authorship offered under the terms of this License.
"You" means an individual or entity exercising rights under this License who has not previously violated the terms of this License with respect to the Work, or who has received express permission from the Licensor to exercise rights under this License despite a previous violation.
"License Elements" means the following high-level license attributes as selected by Licensor and indicated in the title of this License: Attribution, ShareAlike.

2. Fair Use Rights. Nothing in this license is intended to reduce, limit, or restrict any rights arising from fair use, first sale or other limitations on the exclusive rights of the copyright owner under copyright law or other applicable laws.

3. License Grant. Subject to the terms and conditions of this License, Licensor hereby grants You a worldwide, royalty-free, non-exclusive, perpetual (for the duration of the applicable copyright) license to exercise the rights in the Work as stated below:

to reproduce the Work, to incorporate the Work into one or more Collective Works, and to reproduce the Work as incorporated in the Collective Works;
to create and reproduce Derivative Works;
to distribute copies or phonorecords of, display publicly, perform publicly, and perform publicly by means of a digital audio transmission the Work including as incorporated in Collective Works;
to distribute copies or phonorecords of, display publicly, perform publicly, and perform publicly by means of a digital audio transmission Derivative Works.
For the avoidance of doubt, where the work is a musical composition:
1. Performance Royalties Under Blanket Licenses. Licensor waives the exclusive right to collect, whether individually or via a performance rights society (e.g. ASCAP, BMI, SESAC), royalties for the public performance or public digital performance (e.g. webcast) of the Work.
2. Mechanical Rights and Statutory Royalties. Licensor waives the exclusive right to collect, whether individually or via a music rights society or designated agent (e.g. Harry Fox Agency), royalties for any phonorecord You create from the Work ("cover version") and distribute, subject to the compulsory license created by 17 USC Section 115 of the US Copyright Act (or the equivalent in other jurisdictions).
Webcasting Rights and Statutory Royalties. For the avoidance of doubt, where the Work is a sound recording, Licensor waives the exclusive right to collect, whether individually or via a performance-rights society (e.g. SoundExchange), royalties for the public digital performance (e.g. webcast) of the Work, subject to the compulsory license created by 17 USC Section 114 of the US Copyright Act (or the equivalent in other jurisdictions).

The above rights may be exercised in all media and formats whether now known or hereafter devised. The above rights include the right to make such modifications as are technically necessary to exercise the rights in other media and formats. All rights not expressly granted by Licensor are hereby reserved.

4. Restrictions.The license granted in Section 3 above is expressly made subject to and limited by the following restrictions:

You may distribute, publicly display, publicly perform, or publicly digitally perform the Work only under the terms of this License, and You must include a copy of, or the Uniform Resource Identifier for, this License with every copy or phonorecord of the Work You distribute, publicly display, publicly perform, or publicly digitally perform. You may not offer or impose any terms on the Work that alter or restrict the terms of this License or the recipients' exercise of the rights granted hereunder. You may not sublicense the Work. You must keep intact all notices that refer to this License and to the disclaimer of warranties. You may not distribute, publicly display, publicly perform, or publicly digitally perform the Work with any technological measures that control access or use of the Work in a manner inconsistent with the terms of this License Agreement. The above applies to the Work as incorporated in a Collective Work, but this does not require the Collective Work apart from the Work itself to be made subject to the terms of this License. If You create a Collective Work, upon notice from any Licensor You must, to the extent practicable, remove from the Collective Work any credit as required by clause 4(c), as requested. If You create a Derivative Work, upon notice from any Licensor You must, to the extent practicable, remove from the Derivative Work any credit as required by clause 4(c), as requested.
You may distribute, publicly display, publicly perform, or publicly digitally perform a Derivative Work only under the terms of this License, a later version of this License with the same License Elements as this License, or a Creative Commons iCommons license that contains the same License Elements as this License (e.g. Attribution-ShareAlike 2.5 Japan). You must include a copy of, or the Uniform Resource Identifier for, this License or other license specified in the previous sentence with every copy or phonorecord of each Derivative Work You distribute, publicly display, publicly perform, or publicly digitally perform. You may not offer or impose any terms on the Derivative Works that alter or restrict the terms of this License or the recipients' exercise of the rights granted hereunder, and You must keep intact all notices that refer to this License and to the disclaimer of warranties. You may not distribute, publicly display, publicly perform, or publicly digitally perform the Derivative Work with any technological measures that control access or use of the Work in a manner inconsistent with the terms of this License Agreement. The above applies to the Derivative Work as incorporated in a Collective Work, but this does not require the Collective Work apart from the Derivative Work itself to be made subject to the terms of this License.
If you distribute, publicly display, publicly perform, or publicly digitally perform the Work or any Derivative Works or Collective Works, You must keep intact all copyright notices for the Work and provide, reasonable to the medium or means You are utilizing: (i) the name of the Original Author (or pseudonym, if applicable) if supplied, and/or (ii) if the Original Author and/or Licensor designate another party or parties (e.g. a sponsor institute, publishing entity, journal) for attribution in Licensor's copyright notice, terms of service or by other reasonable means, the name of such party or parties; the title of the Work if supplied; to the extent reasonably practicable, the Uniform Resource Identifier, if any, that Licensor specifies to be associated with the Work, unless such URI does not refer to the copyright notice or licensing information for the Work; and in the case of a Derivative Work, a credit identifying the use of the Work in the Derivative Work (e.g., "French translation of the Work by Original Author," or "Screenplay based on original Work by Original Author"). Such credit may be implemented in any reasonable manner; provided, however, that in the case of a Derivative Work or Collective Work, at a minimum such credit will appear where any other comparable authorship credit appears and in a manner at least as prominent as such other comparable authorship credit.

5. Representations, Warranties and Disclaimer

UNLESS OTHERWISE AGREED TO BY THE PARTIES IN WRITING, LICENSOR OFFERS THE WORK AS-IS AND MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND CONCERNING THE MATERIALS, EXPRESS, IMPLIED, STATUTORY OR OTHERWISE, INCLUDING, WITHOUT LIMITATION, WARRANTIES OF TITLE, MERCHANTIBILITY, FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT, OR THE ABSENCE OF LATENT OR OTHER DEFECTS, ACCURACY, OR THE PRESENCE OF ABSENCE OF ERRORS, WHETHER OR NOT DISCOVERABLE. SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES, SO SUCH EXCLUSION MAY NOT APPLY TO YOU.

6. Limitation on Liability. EXCEPT TO THE EXTENT REQUIRED BY APPLICABLE LAW, IN NO EVENT WILL LICENSOR BE LIABLE TO YOU ON ANY LEGAL THEORY FOR ANY SPECIAL, INCIDENTAL, CONSEQUENTIAL, PUNITIVE OR EXEMPLARY DAMAGES ARISING OUT OF THIS LICENSE OR THE USE OF THE WORK, EVEN IF LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

7. Termination

This License and the rights granted hereunder will terminate automatically upon any breach by You of the terms of this License. Individuals or entities who have received Derivative Works or Collective Works from You under this License, however, will not have their licenses terminated provided such individuals or entities remain in full compliance with those licenses. Sections 1, 2, 5, 6, 7, and 8 will survive any termination of this License.
Subject to the above terms and conditions, the license granted here is perpetual (for the duration of the applicable copyright in the Work). Notwithstanding the above, Licensor reserves the right to release the Work under different license terms or to stop distributing the Work at any time; provided, however that any such election will not serve to withdraw this License (or any other license that has been, or is required to be, granted under the terms of this License), and this License will continue in full force and effect unless terminated as stated above.

8. Miscellaneous

Each time You distribute or publicly digitally perform the Work or a Collective Work, the Licensor offers to the recipient a license to the Work on the same terms and conditions as the license granted to You under this License.
Each time You distribute or publicly digitally perform a Derivative Work, Licensor offers to the recipient a license to the original Work on the same terms and conditions as the license granted to You under this License.
If any provision of this License is invalid or unenforceable under applicable law, it shall not affect the validity or enforceability of the remainder of the terms of this License, and without further action by the parties to this agreement, such provision shall be reformed to the minimum extent necessary to make such provision valid and enforceable.
No term or provision of this License shall be deemed waived and no breach consented to unless such waiver or consent shall be in writing and signed by the party to be charged with such waiver or consent.
This License constitutes the entire agreement between the parties with respect to the Work licensed here. There are no understandings, agreements or representations with respect to the Work not specified here. Licensor shall not be bound by any additional provisions that may appear in any communication from You. This License may not be modified without the mutual written agreement of the Licensor and You.

Creative Commons is not a party to this License, and makes no warranty whatsoever in connection with the Work. Creative Commons will not be liable to You or any party on any legal theory for any damages whatsoever, including without limitation any general, special, incidental or consequential damages arising in connection to this license. Notwithstanding the foregoing two (2) sentences, if Creative Commons has expressly identified itself as the Licensor hereunder, it shall have all rights and obligations of Licensor.

Except for the limited purpose of indicating to the public that the Work is licensed under the CCPL, neither party will use the trademark "Creative Commons" or any related trademark or logo of Creative Commons without the prior written consent of Creative Commons. Any permitted use will be in compliance with Creative Commons' then-current trademark usage guidelines, as may be published on its website or otherwise made available upon request from time to time.

Creative Commons may be contacted at http://creativecommons.org/.

Internet Law 2006

Brooklyn Law School

Licensing and Open Source

Reading Notes

Vault Corp. v. Quaid Software, Ltd., 847 F.2d 255 (5th Cir. 1988)

ProCD Inc. v. Zeidenberg, 86 F.3d 1447 (7th Cir. 1996)

Specht v. Netscape Comm. Corp., 306 F.3d 17 (2d. Cir. 2002)