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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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Company filingSeptember 22, 2026Concord Music Group, Inc. v. Anthropic PBC (Concord II) · N.D. Cal. 5:26-cv-00880

Anthropic co-founder Benjamin Mann admits he used BitTorrent to get LibGen material at Anthropic and that Dario Amodei approved the acquisition

Benjamin Mann, sued individually by the music publishers, filed an amended answer. In it he admits he used BitTorrent to obtain a subset of materials sometimes called LibGen while employed at Anthropic, that he discussed acquiring LibGen data with Dario Amodei and other colleagues, and that Amodei approved the acquisition. He admits writing a Slack message quoted in the complaint, "[c]urrently pulling libgen." He also admits he took part in downloading a portion of LibGen earlier, while employed at OpenAI, and in discussions there with Amodei and Tom Brown about acquiring and using LibGen material for model training. He denies that Anthropic had an "Archive Team," says he lacks knowledge of many of the torrenting allegations, and raises fair use and other defenses. This summary is drawn from the comparison copy filed with the amended answer, which shows the new and old wording together. These are Mann's own statements; the court has made no findings, and a motion to dismiss by Amodei is pending.

Mann's amended answer, comparison copy (Dkt. 130-1), paras. 63, 64, 70, 71 ↗

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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.