Unverified50% confidenceFactExact time
The concept of transformative use originates from Campbell v. Acuff-Rose (1994), meaning the new use changes the original work with a different purpose or manner rather than simply substituting for it.
1
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50%
Confidence
Long-term
Relevance
10/30/2026
First Seen
Sources
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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75% similarVerifiedThe concept of transformative use originates from the U.S. Supreme Court's 1994 ruling in Campbell v. Acuff-Rose Music.67% 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54% similar
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