# Sony Music and Warner Chappell sue Anthropic for copyright infringement in model training > Source: > Published: 2026-08-30 20:04:55+00:00 # Sony Music and Warner Chappell sue Anthropic for copyright infringement in model training Sony Music Publishing and Warner Chappell Music filed separate lawsuits in US District Court for the Northern District of California alleging that Anthropic illegally trained its models on "tens of thousands" of copyrighted works. The suits represent ongoing copyright challenges to AI model training practices. ## Topics ## Sources - Press [Read article](https://techcrunch.com/2026/08/29/sony-music-warner-sue-anthropic-alleging-a-brazen-campaign-of-intellectual-property-theft/) ## Go deeper This intelligence is sourced automatically from public sources across the web and synthesised by the Prefactor AI pipeline. Stories are reviewed before publication.