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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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Company filingSeptember 8, 2026Concord Music Group, Inc. v. Anthropic PBC (Concord I) · N.D. Cal., No. 5:24-cv-03811 (Judge Eumi K. Lee)

Anthropic replies that it needed essentially all public web text to build Claude and that lyrics were collected only as a byproduct of that effort

In its Sept. 8, 2026 reply (Dkt. 801; public refiling Sept. 22, 2026 as Dkt. 848), Anthropic says training a general-purpose model required it to collect essentially all the text publicly available on the internet, that it did not specifically seek out lyrics, and that lyrics are a tiny fraction of the hundreds of billions of words it gathered. It argues the publishers wrongly merge training and outputs into one use, contrary to Warhol, and that the purpose of training cannot be lyric reproduction when lyrics are free online and Claude has guardrails against outputting them. It cites expert analysis that Claude has not reduced interest in online lyrics and that its current guardrails are "extremely effective." It also repeats that UMG publicly said generative AI is not causing competitive harm to music publishing. These are Anthropic's arguments; the cross-motions were argued Oct. 21, 2026 and remaining expert motions are set for Oct. 30.

Anthropic reply in support of summary judgment, public refiling (Dkt. 848, PDF) ↗

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Every item says what kind of source it rests on. A court ruling or order is the court's own statement. A company filing is what a defendant says about itself. A government filing is a statement by a government agency that is not a party to the case, such as a statement of interest; it is the government's position, not a ruling. An allegation is what a complaint or motion claims and has not been decided. Reported means press reporting we have not confirmed from the primary document. Summaries are our own; follow the links for the source.

This page is general information, not legal advice. An allegation is not a finding. Whether any of this matters for a particular work or claim is a question for a lawyer.