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 […]