Sony and Warner Chappell Join Universal in AI Copyright Smackdown Against Anthropic

It's official: the major label publishing divisions are moving in formation. Sony Music Publishing and Warner Chappell are filing suit against Anthropic, joining Universal in what's become a coordinated legal assault on the AI company's use of copyrighted material.

The lawsuit language is heavy — calling it "one of the largest and most blatant ongoing thefts of intellectual property in history." That's not casual shade. These aren't threats anymore; this is the publishing industry saying Anthropic trained Claude on their catalogs without permission or payment, and they want serious money to answer for it.

The Real Test

This is the moment where Silicon Valley's "move fast and break things" ethos meets the actual rights holders. The music industry has already shown it will fight: Universal started this fight, and now the other majors are piling on. The billion-dollar damages figures aren't accidents—they're meant to hurt enough to change behavior.

The question now is whether Anthropic buckles, settles, or forces this all the way through the courts. Either way, this is setting the template for how the entertainment industry goes after AI companies that scrape without asking.

Read the full story at Music Business Worldwide → https://www.musicbusinessworldwide.com/now-sony-music-publishing-and-warner-chappell-sue-anthropic-in-multi-billion-dollar-lawsuit-one-of-the-largest-and-most-blatant-ongoing-thefts-of-intellectual-property-in-history/