Verified65% confidenceFactExact time
The concept of transformative use originates from the U.S. Supreme Court's 1994 ruling in Campbell v. Acuff-Rose Music.
3
Sources
65%
Confidence
Long-term
Relevance
8/22/2026
First Seen
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Related Claims
UnverifiedCampbell v. Acuff-Rose Music（1994年）确立了转化性使用的核心标准76% similarUnverified转化性概念最早由Pierre Leval法官在1990年的学术论文中系统阐述，后被最高法院在1994年Campbell v. Acuff-Rose Music案中正式采纳72% similarUnverified寒蝉效应（Chilling Effect）最早由美国联邦最高法院大法官威廉·道格拉斯在1952年'威曼诉厄普德格拉夫案'中系统阐述54% similarUnverified联邦第七巡回上诉法院法官理查德·波斯纳等人早在1990年代就开始质疑稀缺性原则的合宪性基础52% similarVerifiedThe Andy Warhol Foundation v. Goldsmith case heard by the U.S. Supreme Court in 2023 established the precedent that even if a work is transformative, it may still not qualify as fair use if its purpose is similar to that of the original.52% similar
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