Court filing: Anthropic apologizes for one of its expert witnesses citing an article hallucinated by Claude in the company's legal battle with music publishers
A lawyer representing Anthropic admitted to using an erroneous citation created by the company's Claude AI chatbot …
TechCrunch Maxwell Zeff
Related Coverage
- Anthropic blames Claude AI for ‘embarrassing and unintentional mistake’ in legal filing The Verge · Jess Weatherbed
- Anthropic's law firm throws Claude under the bus over citation errors in court filing The Register · Thomas Claburn
- Claude AI citation error rocks music lawsuit KnowTechie · Ronil Thakkar
- Anthropic is forced to apologize after Claude undercuts its legal team The Decoder · Maximilian Schreiner
- Anthropic Admits AI Caused Miscite in Expert Report in IP Suit Bloomberg Law · Annelise Levy
- Anthropic's Claude faked a legal citation. A lawyer had to clean it up. Business Insider · Lee Chong Ming
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- Anthropic lawyers apologize to court over AI ‘hallucination’ in copyright battle with music publishers Music Business Worldwide · Daniel Tencer
- Concord Music Group v. Anthropic United States District Court for the Northern District of California
- Anthropic's Lawyer Forced To Apologize After Claude Hallucinated Legal Citation Slashdot · BeauHD
Discussion
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@tcarmody
Tim Carmody
on bluesky
You are responsible for anything you use an AI to do. And you are unusually EXTRA responsible for this when you do it in legal testimony. This is just really stupid. [embedded post]
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@cameronwilson
Cameron Wilson
on bluesky
incredible: a lawyer acting for one of the world's biggest AI companies, Anthropic, had to apologise to a US court because they had cited an AI hallucination in their submission. — techcrunch.com/2025/... [image]
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@quinnypig.com
Corey Quinn
on bluesky
“Win or lose this case, we must be painfully on-brand” was certainly an interesting (presumed) instruction to outside counsel. [embedded post]
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@paleofuture
Matt Novak
on bluesky
“Anthropic's lawyers explain that their ‘manual citation check’ did not catch it, nor several other errors that were caused by Claude's hallucinations.” [embedded post]