Saturday, August 29, 2026

Sony, Warner sue Anthropic, alleging "blatant theft" of intellectual property; Axios, August 29, 2026

 Ben Berkowitz , Axios; Sony, Warner sue Anthropic, alleging "blatant theft" of intellectual property

"Some of the world's largest music publishers filed a blockbuster lawsuit against Anthropic late Friday night, alleging "one of the largest and most blatant ongoing thefts of intellectual property in history."

Why it matters: The suit is the opening salvo in what is now likely to be a yearslong fight over music, AI, and how intellectual property is protected in a new era of technology.

Driving the news: Units of Sony Music and Warner Music filed the suit in federal court in northern California late Friday night, naming Anthropic, CEO Dario Amodei and co-founder Benjamin Mann as defendants. 

The big picture: The Sony/Warner lawsuit is notable because it's broad.

It alleges Anthropic unlawfully trained its models off "tens of thousands" of music publishers' copyrighted compositions, whereas other lawsuits have focused on a narrower set of works.

BMG's lawsuit against Anthropic, for example, claims infringement against 493 compositions."

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