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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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AllegationDecember 22, 2025Carreyrou v. Anthropic PBC (original complaint) · N.D. Cal. 5:25-cv-10897; OpenAI claims now S.D.N.Y. 1:26-cv-03625

Six authors sue Anthropic, Google, OpenAI, Meta, xAI and Perplexity individually, alleging each downloaded their books from shadow libraries

John Carreyrou and five other authors filed an individual, non-class suit alleging that each company downloaded pirated copies of their books from sites such as LibGen, Z-Library and OceanofPDF and used them to build its models. The complaint relies on court findings for Anthropic and Meta, on OpenAI's earlier use of LibGen-sourced book collections, on Z-Library material in Google's C4 dataset, and on inference for xAI and Perplexity. The copy linked here carries the Southern District of New York case number where the OpenAI claims are now pending before Judge Stein. These are allegations; later steps in the case (the amended complaint and the order splitting the defendants) are separate items in this feed.

Complaint (Dkt. 1), on DocumentCloud ↗

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What the labels mean

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.