Argentina court warns counsel after AI-hallucinated citations in an appeal brief

AI Model: Unspecified generative AI tool HallucinationsLitigation PracticeJudicial WarningLatin America

I. Executive Summary

An appellate court in Río Negro (General Roca) confirmed dismissal of a civil damages claim and issued a formal warning after identifying non-existent jurisprudence and doctrine in the appeal submissions. Reported court findings indicate the fabricated references were consistent with generative-AI “hallucinations‘ used without adequate human verification. The court emphasized that AI use does not reduce counsel’s professional responsibility for accuracy in filings.

II. Key Facts

Appellate court confirmed dismissal of the underlying civil claim.• Court found appeal briefing cited jurisprudence/doctrine that did not exist in official sources.• Court described the issue as consistent with generative-AI hallucinations and lack of human verification.• Court issued a formal admonition/warning to the lawyers involved and highlighted potential corrective measures under existing judicial guidance.

III. Regulatory & Ethical Implications

Demonstrates growing willingness of courts in Latin America to treat AI-assisted fabrication as a professional conduct and procedural integrity issue; supports tighter bar/court expectations on verification, disclosure, and potential corrective sanctions for AI misuse.

IV. Media Coverage & Sources