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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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Plaintiffs' filingSeptember 17, 2026In re OpenAI, Inc. Copyright Infringement Litigation · S.D.N.Y. 1:25-md-03143

Authors' fact statement quotes OpenAI messages on LibGen from 2019 to 2022, and says Microsoft knew before GPT-3 was released

The class plaintiffs' statement of facts, filed with their summary judgment motion, sets out a dated account of OpenAI's LibGen use, citing documents and depositions. It says a researcher downloaded about 117,000 books in late 2018; that in early 2019 OpenAI's then general counsel suggested free book downloads from LibGen; that two employees torrented about 35 TB from September 2019 to January 2020, with a to-do list calling for zero uploading; and that the resulting sets were named Books1 and Books2 in the GPT-3 paper. It quotes internal notes from August 2019: "We trained GPT-3 on pirated stuff! No sharing that!" It says an executive wrote in June 2022 that it was time to remove LibGen from OpenAI's systems, and that the general counsel renamed the chat channel for that work. As to Microsoft, it quotes a corporate witness that Microsoft knew before GPT-3's release that LibGen was used. OpenAI and Microsoft dispute the legal significance; their responses are pending. This is the plaintiffs' statement.

Class plaintiffs' corrected Rule 56.1 statement (Dkt. 1987), paras. 138-238, 269-328, 344, 659 ↗

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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.