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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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Court orderOctober 12, 2025Concord Music Group, Inc. v. Anthropic PBC (Concord I) · N.D. Cal. 5:24-cv-03811

Judge bars questions on torrenting in music publishers' first suit against Anthropic, but allows questions on how LibGen was used, including in guardrails

After the trial judge refused to let the music publishers add BitTorrent claims to their first suit, the magistrate judge set limits for depositions of Anthropic's witnesses. The publishers may not ask about Anthropic's participation in torrenting or, in general, how or where datasets were obtained, though they may ask about scraping and crawling and whether a dataset was licensed. They may ask how a dataset was used, including whether LibGen was used to train models or as a basis for Anthropic's output guardrails. Questions about the Pirate Library Mirror were barred, in part on Anthropic's representation that it was not used to train any commercial Claude model or for guardrails. A later joint filing quotes Anthropic's court-ordered interrogatory answer as saying the two libraries were used in other ways, "such as the use of LibGen in connection with Anthropic's Content Compare System." The torrenting claims are now in the publishers' second suit.

Order following hearing (Dkt. 478) ↗Joint discovery dispute statement (Dkt. 487-1), p. 10 ↗

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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.