組織

AI-assisted legal drafting system developers

Incidents involved as Developer

インシデント 17283 Report
Law Firm Shapiro Arato Bach Reportedly Filed Fictitious Case Citation and Misattributed Quotations Using Harvey's Legal AI Platform in New York Federal Court

2026-09-22

Law firm Shapiro Arato Bach reportedly acknowledged that unchecked use of Harvey, a legal AI platform, produced a fictitious case citation and misattributed quotations in a brief filed in federal court in New York. The court required an explanation and disclosure of the AI tool. The judge declined sanctions, and the firm apologized and said it was adding safeguards.

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Shapiro Arato Bach LLP

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Lawyers

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Law firms

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Harvey

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Large language model developers

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United States District Court for the Southern District of New York

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Judicial integrity

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Courts

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Enterprise AI systems

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AI-assisted legal drafting systems

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Large language models

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