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.

Opinion: The rise of artificial intelligence-drafted filings presents a complex challenge that lacks the essential human elements of reasoning, authenticity, and ethical judgment that are fundamental ...

Courts globally are penalising lawyers for submitting fake legal citations generated by AI, emphasizing that AI errors do not ...

Time to lay off the use of AI in legal documents? Amid a high-stakes copyright battle with music publishers, Anthropic attorneys have apologized for an apparent citation “hallucination,” pinning 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 ...

Anthropic has responded to allegations that it used an AI-fabricated source in its legal battle against music publishers, saying its Claude chatbot made an “honest citation mistake.” An erroneous ...

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 ...

McGuireWoods’ managing partner says the firm has tightened its citation-checking systems and overall legal writing training. A federal court discovered numerous false references by a McGuireWoods ...