A lawyer defending Anthropic had to clean up after the company's AI bot, calling it "an embarrassing and unintentional mistake." In a copyright lawsuit over Anthropic's use of music lyrics, the ...

From Judge Judith Levy (E.D. Mich.) in Evans v. Robertson, the I've Seen Fake Cites on Both Sides Now case: The litigants in this case … have been repeatedly warned that factitious citations will not ...

"Judge Matthewman’s opinion provides a primer on the use of AI for legal research and discusses the possible repercussions for submitting 'hallucinated,' nonexistent case law in a legal pleading," ...

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 in a ...

This article examines the problem of fabricated or hallucinated citations in legal briefs, focusing on the recent federal decision in Johnson v. Dunn as a case study. That decision highlights the ...