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Copyright case · United States (federal)

Music publishers sue Anthropic over alleged use of copyrighted compositions in Claude

Sony Music Publishing and Warner Chappell Music v. Anthropic

Sony Music Publishing and Warner Chappell Music sued Anthropic and co-founders Dario Amodei and Benjamin Mann, alleging copyright infringement involving musical compositions used to develop and operate Claude. The publishers seek statutory damages, destruction of allegedly infringing copies, and an accounting of Anthropic’s training data and methods. The complaint has been filed, but its allegations have not been proven in court.

  • Filed
  • Filed

Updated

Parties and court

Plaintiffs
Sony Music Publishing, Warner Chappell Music
Defendants
Anthropic, Dario Amodei, Benjamin Mann
Court
U.S. District Court for the Northern District of California
Jurisdiction
United States (federal)

What’s at stake

  • Claims of direct and contributory copyright infringement involving alleged torrenting and use of musical compositions.
  • Requested statutory damages of up to $150,000 per work for willful infringement.
  • Requested damages of up to $25,000 for each alleged removal or alteration of copyright-management information.
  • Requested destruction of allegedly infringing copies.
  • Requested accounting of Anthropic’s training data and methods.

Timeline

  1. Sony Music Publishing and Warner Chappell Music reportedly filed a copyright lawsuit against Anthropic and its co-founders, seeking a jury trial, statutory damages, destruction of allegedly infringing copies, and an accounting of training data and methods.

Our reporting

Sony Music and Warner Chappell Sue Anthropic Over Claude Copyright Claims →The Signal · August 30, 2026

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