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US tech companies face growing risk over use of shadow libraries for AI training

By Amy Miller ( November 11, 2025, 22:54 GMT | Comment) -- Anthropic’s record-breaking $1.5 billion deal resolving copyright claims related to the use of "shadow libraries" has opened the door to a wave of lawsuits against US tech companies, and US authors are walking through it. Writers are now suing Apple, Salesforce and Meta Platforms alleging they also violated US copyright law by using pirated copies of copyrighted works to train their AI tools as the fight over legal protection for intellectual property in the AI era grows.Anthropic’s record-breaking $1.5 billion deal resolving copyright claims over the use of collections of pirated copies of copyrighted works known as shadow libraries to train its artificial intelligence models has opened the door to a wave of similar allegations against US tech companies, and authors are walking through it....

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