substantiality

Are there any quantitative tests for fair use, such as “4 bars of a song” or “50 words of a literary work”?

Many people incorrectly believe that bright-line numerical rules exist to determine how much copying of a work is fair use. This is a misconception. The substantiality of the portion copied also has to be considered. Copying even a couple of bars of a song may tip the scales against fair use if those bars are […]

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What is the four-factor test for fair use?

Courts consider four factors when deciding whether a particular use is fair use or not: Purpose and character of the use. Nonprofit use is more likely to be fair use than use for commercial gain is. Transformative use is more likely to be fair use than non-transformative use is. Nature of the work. Use of

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