Summary
BMG Rights Management (US) LLC sued Anthropic PBC alleging unauthorized copying and use of 493 copyrighted musical compositions, including lyrics, to train Claude AI models sourced from unauthorized torrent sites and the internet.[1][2][3] The lawsuit asserts copyright infringement claims under federal law, filed March 17, 2026, in the U.S. District Court for the Northern District of California (case 5:26-cv-02334).[1][2][3] It follows BMG's unheeded December 2025 cease-and-desist letter and echoes challenges like the prior Bartz v. Anthropic settlement over pirated books used in AI training.[1][5]
Case details
- Court
- NDCA
- Docket number
- 5:26-cv-02334
- Filed
- Mar 17, 2026
- Status
- Active
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