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ARTICLE · 01 JULY 2025

'Spectacularly Transformative' — And Still Liable: The AI Copyright Showdown Begins

Frankfurt Kurnit Klein & Selz PC
Frankfurt Kurnit Klein & Selz PC
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Frankfurt Kurnit Klein & Selz PC

Frankfurt Kurnit Klein & Selz PC

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In the first federal court ruling on whether training generative AI models with copyrighted materials constitutes fair use, U.S. District Judge William Alsup issued a mixed but monumental decision on June 24, 2025, in Bartz et al. v. Anthropic PBC (N.D. Cal., No. 24-05417 WHA).

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In the first federal court ruling on whether training generative AI models with copyrighted materials constitutes fair use, U.S. District Judge William Alsup issued a mixed but monumental decision on June 24, 2025, in Bartz et al. v. Anthropic PBC (N.D. Cal., No. 24-05417 WHA). The judge hailed Anthropic's Claude model as "among the most transformative many of us will see in our lifetimes," noting its ability to mimic human reasoning and writing by processing millions of digitized texts. He found that the use of copyrighted books to train such models was "spectacularly transformative," stating that the LLMs "trained upon works not to race ahead and replicate or supplant them — but to turn a hard corner and create something different."

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This post first appeared in Frankfurt Kurnit's Focus on the Data blog (www.focusonthedata.com). It provides general coverage of its subject area. We provide it with the understanding that Frankfurt Kurnit Klein & Selz is not engaged herein in rendering legal advice, and shall not be liable for any damages resulting from any error, inaccuracy, or omission. Our attorneys practice law only in jurisdictions in which they are properly authorized to do so. We do not seek to represent clients in other jurisdictions.

Originally published by the New York Legal Ethics Reporter

www.fkks.com

This alert provides general coverage of its subject area. We provide it with the understanding that Frankfurt Kurnit Klein & Selz is not engaged herein in rendering legal advice, and shall not be liable for any damages resulting from any error, inaccuracy, or omission. Our attorneys practice law only in jurisdictions in which they are properly authorized to do so. We do not seek to represent clients in other jurisdictions.

www.fkks.com

This alert provides general coverage of its subject area. We provide it with the understanding that Frankfurt Kurnit Klein & Selz is not engaged herein in rendering legal advice, and shall not be liable for any damages resulting from any error, inaccuracy, or omission. Our attorneys practice law only in jurisdictions in which they are properly authorized to do so. We do not seek to represent clients in other jurisdictions.

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