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Sony Music and Warner Chappell are suing Anthropic

Sony Music Publishing and Warner Chappell Music have filed a multi-billion-dollar lawsuit against Anthropic in the US District Court for the Northern District of California, seeking up to $150,000 per work for tens of thousands of copyrighted songs and up to $25,000 for each instance of stripped copyright data. The complaint, which also names Anthropic co-founders Dario Amodei and Benjamin Mann, alleges illegal torrenting and scraping of lyrics from sites like MusixMatch and LyricFind, calling it 'one of the largest and most blatant ongoing thefts of intellectual property in history.'

read2 min views1 publishedAug 29, 2026
Sony Music and Warner Chappell are suing Anthropic
Image: The Verge

Sony Music and Warner Chappell have filed suit against Anthropic in the US District Court for the Northern District of California seeking damages for “tens of thousands” copyrighted works. The companies are asking for up to $150,000 per work, plus up to $25,000 for each instance when identifiable copyright data was stripped. In total, the damages could amount to several billion dollars if a court finds in Sony and Warner’s favor and awards the maximum amount.

The companies call it “one of the largest and most blatant ongoing thefts of intellectual property in history.”

The companies call it “one of the largest and most blatant ongoing thefts of intellectual property in history.”

This is just the latest high-profile suit against Anthropic, which recently settled a suit brought by the publishing industry for $1.5 billion. It’s also faced multiple lawsuits from Universal Music Group, Concord, and ABKCO, plus separate suits from BMG and Round Hill Music.

In addition to suing Anthropic as an entity, the complaint names Co-Founders Dario Amodei and Benjamin Mann as individual defendants. The suit alleges that Mann used BitTorrent to download over five million pirated books, and that employees downloaded at least two million more from Pirate Library Mirror. It also claims that Anthropic scraped lyrics from sites like MusixMatch and LyricFind, which paid to license content from the labels.

According to the filing: Plaintiff Music Publishers, a group of the world’s leading music publishers, bring this action to hold accountable the culprits behind one of the largest and most blatant ongoing thefts of intellectual property in history. Defendants Anthropic and its founders Dario Amodei and Benjamin Mann have conducted a brazen campaign of illegally torrenting, scraping, and down copyrighted works on a massive scale in order to develop, operate, and reap enormous profits from Anthropic’s “Claude” series of artificial intelligence (“AI”) models.

Specific songs named as being found in Anthropic’s training data include Marvin Gaye and Tammi Terrell’s “Ain’t No Mountain High Enough,” Bon Jovi’s “Livin’ On a Prayer,” Earth, Wind & Fire’s “September,” Leonard Cohen’s “Hallelujah,” and TaylorSwift’s “Paper Rings.” Antrhopic did not immediately respond to a request for comment.

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