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Music publishers can't question witnesses about Anthropic's use of shadow libraries, US magistrate judge says

( October 12, 2025, 18:34 GMT | Official Statement) -- MLex Summary: Music publishers will not be allowed to question witnesses about Anthropic’s alleged use and acquisition of “pirate” shadow libraries, US Magistrate Judge Susan Van Keulen has ordered. However, Concord Music may question witnesses about “the use made by Anthropic of a given dataset, including whether or how LibGen or other datasets were used to train Anthropic’s AI models or as a basis for Anthropic’s AI guardrails,” she said. Please see order below: ...

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