In a copyright lawsuit over Anthropic's use of music lyrics, the company's legal team used its AI assistant, Claude, to help draft a citation in an expert report. illustration by Cheng Xin/Getty ...

Claude generated "an inaccurate title and incorrect authors" in a legal citation, per a court filing. The AI was used to help draft a citation in an expert report for Anthropic's copyright lawsuit ...

A lawyer representing Anthropic admitted to using an erroneous citation created by the company’s Claude AI chatbot in its ongoing legal battle with music publishers, according to a filing made ...

What You Need to Know Judge warns lawyers: Double-check citations, especially when using AI tools. Sanctions were imposed under Rule 11 for filing with a hallucinated citation. The judge said ...

An attorney representing Anthropic—an artificial intelligence company—admitted to incorporating an incorrect citation created by the company’s AI chatbot amid an ongoing legal battle between ...

This book is a lifesaver for lawyers and scholars citing non-U.S. legal sources. The ALWD Citation Manual focuses on citation of U.S. legal sources only.

Anthropic's Claude faked a legal citation. A lawyer had to clean it up. Lee Chong Ming Updated May 15, 2025 at 9:26 PM Copied ...