Attorneys for the AI giant say the erroneous reference was an “honest citation mistake,” but plaintiffs argue the declaration ...

The flawed citations, or "hallucinations," appeared in an April 30, 2025 declaration [PDF] from Anthropic data scientist ...

Anthropic data scientist Olivia Chen allegedly cited a non-existent academic article in a court filing submitted in late April.

Anthropic’s lawyers say the Claude chatbot didn’t invent a research paper out of thin air, but it did mis-name the paper and ...

The AI chatbot was used to help draft a citation in an expert report for Anthropic's copyright lawsuit.

An attorney defending artificial-intelligence company Anthropic in a copyright lawsuit over music lyrics told a California ...

Claude hallucinated the citation with “an inaccurate title and inaccurate authors,” Anthropic says in the filing, first ...

The firm was ordered to respond to allegations that its AI expert cited a non-existent academic source as part of a $75M ...

A lawyer for Anthropic admitted in court that they accidentally used a fake citation generated by Claude during an ongoing ...

Anthropic PBC told a federal judge its expert witness didn’t rely on a fabricated academic article hallucinated by AI but ...

Music companies claim Anthropic used AI to create a fake academic citation in court. A judge has ordered Anthropic to respond ...

Time to lay off the use of AI in legal documents? Amid a high-stakes copyright battle with music publishers, Anthropic ...