/trænsˈfɔːr.mə.tɪv juːs/
“Transformativeness is judged by the commercial transaction, not merely subjective artistic philosophy.”
Campbell v. Acuff-Rose Music, 510 U.S. 569 (1994)
Recalibrated by the Supreme Court in Warhol v. Goldsmith (2023) to prevent the derivative work right under § 106(2) from being nullified.