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Anthropic wins key US ruling on AI training in authors' copyright lawsuit

CALIFORNIA, UNITED STATES, JUN 25 – U.S. District Judge Alsup ruled that training AI on purchased books is fair use but ordered a trial over Anthropic's use of over seven million pirated copies in its central library.

  • On Monday in San Francisco, a federal judge determined that Anthropic's incorporation of millions of copyrighted books for training its AI models falls within the scope of fair use under U.S. copyright law.
  • The ruling came amid legal disputes over the legitimacy of AI training on copyrighted works, with Anthropic accused of creating a "central library" that includes more than seven million illegally obtained books.
  • Judge Alsup determined that Anthropic's use was 'exceedingly transformative' because the AI models learned generalized information rather than replicating the original works, resembling a human’s creative process.
  • Alsup explained that Anthropic’s AI systems learn from existing works not to duplicate them, but to generate new and original content, and the company expressed approval of the court’s recognition of this fair use aspect.
  • Although Anthropic must face a trial this December over liability for acquiring pirated copies, the ruling offers immediate relief to AI developers and may limit costly industry-wide licensing requirements.
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Lean Left

Two judges in the US have given the right this week to Silicon Valley giants in AI cases. Anthropic won the most important: the use of millions of books to train their AI models comes within the allowed “legitimate use.” The judge of the case believes that Anthropic’s goal is “transformer” and is therefore not simply a copy of the original. It is the first big case that decides whether the training of AI models with protected material is legitim…

·Spain
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Lean Left

A U.S. judge ruled: AI can be dragged into a book protected by copyright. The decision could have effects in Canada.

·Montreal, Canada
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NBC New York broke the news in New York, United States on Tuesday, June 24, 2025.
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