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

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

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

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

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

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

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

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

Music publishers suing Anthropic PBC for copyright infringement accused the artificial intelligence company’s expert witness ...

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

The high-profile copyright lawsuit between major music publishers and Anthropic’s chatbot Claude just took a dramatic turn.