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Intellectual Property Law

Columbia Law School

Fair use

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Full-Text Articles in Law

Fair Use Factor Four Revisited: Valuing The "Value Of The Copyrighted Work" – Essay, Jane C. Ginsburg Jan 2020

Fair Use Factor Four Revisited: Valuing The "Value Of The Copyrighted Work" – Essay, Jane C. Ginsburg

Faculty Scholarship

Recent caselaw has restored the prominence of the fourth statutory factor – “the effect of the use upon the market for or value of the copyrighted work” – in the fair use analysis. The revitalization of the inquiry should also occasion renewed reflection on its meaning. As digital media bring to the fore new or previously under-examined kinds of harm, courts not only need to continue refining their appreciation of a work’s markets. They must also expand their analyses beyond the traditional inquiry into whether the challenged use substitutes for an actual or potential market for the work. Courts should acknowledge ...


Fair Use In The United States: Transformed, Deformed, Reformed?, Jane C. Ginsburg Jan 2019

Fair Use In The United States: Transformed, Deformed, Reformed?, Jane C. Ginsburg

Faculty Scholarship

Since the U.S. Supreme Court’s 1994 adoption of “transformative use” as a criterion for evaluating the first statutory fair use factor (“nature and purpose of the use”), “transformative use” analysis has engulfed all of fair use, becoming transformed, and perhaps deformed, in the process. A finding of “transformativeness” often foreordained the ultimate outcome, as the remaining factors, especially the fourth (impact of the use on the market for or value of the copied work), withered into restatements of the first. For a time, moreover, courts’ characterization of uses as “transformative” seemed ever more generous (if not in some ...


Overview Of Copyright Law, Jane C. Ginsburg Jan 2016

Overview Of Copyright Law, Jane C. Ginsburg

Faculty Scholarship

This article offers an overview of copyright in general in common law and civil law countries, with an emphasis on the U.S. and the European Union. It addresses the history and philosophies of copyright (authors’ right), subject matter of copyright (including the requirement of fixation and the exclusion of “ideas”), formalities, initial ownership and transfers of title, duration, exclusive moral and economic rights (including reproduction, adaptation, public performance and communication and making available to the public, distribution and exhaustion of the distribution right), exceptions and limitations (including fair use), and remedies. The article also covers the liability of intermediaries ...


Tolerated Use, Tim Wu Jan 2008

Tolerated Use, Tim Wu

Faculty Scholarship

Tolerated use is a term that refers to the contemporary spread of technically infringing, but nonetheless tolerated use of copyrighted works. Such patterns of mass infringement have occurred before in copyright history, though perhaps not on the same scale, and have usually been settled with the use of special laws, called compulsory licensing regimes, more familiar to non-copyright scholars as liability rules. This paper suggests that, in present times, a different and slightly unusual solution to the issue of widespread illegal use is emerging – an opt-in system for copyright holders, that is in property terms a rare species of ex ...