Anthropic Seeks Music Publishers' Claude IP Testing Data

By Dorothy Atkins ( December 16, 2025, 8:56 PM EST) -- Anthropic urged a California federal judge during a hearing Tuesday to order music publishers to produce the prompts and outputs their investigators used to test whether the Claude AI chatbot was infringing song lyrics, while the publishers slammed Anthropic's request as an overbroad third attempt to pierce work-product protections....

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