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AI copyright news, graded by source

Court rulings, company filings and allegations in the copyright cases against AI companies and pirate libraries, over books, articles, music, images, video and code. Checked for new filings every three hours; items are posted after review, so some appear later. Get these by e-mail · Court filings, free to read

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AllegationJanuary 28, 2026Concord Music Group, Inc. v. Anthropic PBC (Concord II) · N.D. Cal. 5:26-cv-00880

Music publishers file a second suit against Anthropic, Dario Amodei and Benjamin Mann, alleging they torrented books of lyrics and sheet music from LibGen and PiLiMi

Concord, Universal and other music publishers filed a second complaint against Anthropic, this time also naming founders Dario Amodei and Benjamin Mann. It alleges the defendants used BitTorrent to download millions of books from Library Genesis and Pirate Library Mirror, that those books included collections containing the publishers' songs, and that the same works were uploaded to others during the torrenting. The complaint lists 714 works for the torrenting count. It alleges that Mann personally took part in the torrenting and that Amodei discussed and authorized it. The publishers say they learned of the torrenting only in July 2025, from rulings in Bartz v. Anthropic. Other counts allege copying of 20,517 works in training and in Claude's output, contributory and vicarious liability, and removal of copyright management information. These are allegations; no court has ruled on them.

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