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Notwithstanding the provisions of sections 106 and 106A, the fair use of a copyrighted work, including such use by reproduction in copies or phonorecords or by any other means specified by that section, for purposes such as criticism, comment, news reporting, teaching (including multiple copies for classroom use), scholarship, or research, is not an infringement of copyright. In determining whether the use made of a work in any particular case is a fair use the factors to be considered shall include—
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(1) the purpose and character of the use, including whether such use is of a commercial nature or is for nonprofit educational purposes; (2) the nature of the copyrighted work; (3) the amount and substantiality of the portion used in relation to the copyrighted work as a whole; and (4) the effect of the use upon the potential market for or value of the copyrighted work. 46
The fact that a work is unpublished shall not itself bar a finding of fair use if such finding is made upon consideration of all the above factors. 47
"But this seems quite sensible," people often say, as though they had expected both Byzantine complexity and manifest irrationality. (Perhaps they have had some experience with legal matters after all.) The ones who think about it a little longer realize that these factors cannot be mechanically applied. Look at factor 3, for example. Someone who is making a parody frequently needs to take large chunks of the parodied work. That is the nature of a parody, after all. They might then sell the parody, thus also getting into trouble with factor 1. And what about factor 4? Someone might quote big chunks of my book in a devastating review that ruined any chance the book had of selling well. Come to think of it, even a parody might have a negative effect on the "potential market" for the parodied work. But surely those uses would still be "fair"? (In both instances, the Supreme Court agrees that they are fair uses.) 48
In coming up with these hypothetical problem cases, the copyright novice is probably closer to having a good understanding of the purpose of fair use than many people who have studied it for years. In fact, the novice's questions shed light on all of the exceptions, limitations, and defenses to proprietary rights—the holes in the cheese of intellectual property. The scholar's urge is to find one theory that explains all the possible applications of the fair use doctrine, to arrange all of the cases like targets and shoot a single arrow through all of them. Perhaps fair use is designed to reduce the difficulty of clearing rights when it would be uneconomical or impossibly complex to do so: to reduce the paperwork, hassle, delay, ignorance, and aggravation that economists refer to under the sanguine name of "transaction costs."19 (Though the idea that fair use is about transaction costs hardly explains some of the types of fair use we care most about—the rights to parody, to criticize, to reverse engineer.) Or perhaps fair use allows the rights of a transformative author to be trumped only by a second transformative author, who is building on the first—the parodist, reviewer, collage artist, or what have you.20 (Then again, photocopying for classroom use does not sound very "transformative.") Could fair use be dictated by the Constitution or by international free speech guarantees? In this view, fair use provides a safety valve that allows copyright to coexist with the First Amendment, property rights over speech to coexist with freedom of expression.21 After all, it is not entirely obvious how it could be constitutional to forbid me, in the name of a federal law, from translating Mein Kampf in order to warn of the dangers of fascism or parodying some piece of art to subversive effect. 49
Each of these ideas about fair use has much to recommend it, as do the many other grand theories that have been offered to explain the puzzle. And therein lies the problem. 50
Intellectual property is a brilliant social invention which presents us with great benefits but also with a multitude of dangers: 51
1. the danger that the monopoly is unnecessary to produce the innovation, or that it is broader or lasts for longer than is necessary to encourage future production;