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Copyright Lawsuit Against Anthropic

Sony Music and Warner Chappell sue Anthropic for copyright infringement over training data.

1 source article Last updated September 25, 2026

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Sony and Warner Chappell sue Anthropic for $150K per work — what the 'model laundering' argument means for AI training pipelines

Sony Music and Warner Chappell have sued Anthropic for using copyrighted lyrics and sheet music to train Claude, seeking up to $150,000 per work. A separate suit against Suno introduces the 'model laundering' argument, claiming that models trained on outputs of infringing models still carry liability. For AI builders, this means training data provenance is now a direct legal risk.

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