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Courts & Law

New York Federal Court Sanctions Attorney $2,500 for AI-Fabricated Case Citations

The sanction adds to a growing line of US court rulings disciplining lawyers who file briefs containing citations invented by generative AI tools.
$2,500
sanction imposed for filing fabricated AI-generated citations
The facts · bedrock
Magistrate Judge Gabriel W. Gorenstein of the Southern District of New York sanctioned attorney Tricia S. Lindsay $2,500 in Jimenez-Fogarty v. Fogarty. The court found that two memoranda of law she filed contained numerous fabricated case citations that could not be located or did not support the propositions cited. Lindsay later suggested the citations may have come from Lexis Nexis AI features but did not provide a detailed account of her drafting process. The court also noted she filed additional briefs containing fabricated citations after being ordered to show cause. Lindsay must provide a copy of the order to her client and to judges in her other pending cases.
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Reason
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How it's being framed
Same facts, different stories. We name the frame instead of pretending neutrality.
Professional accountability frame
"An attorney filed briefs riddled with fabricated citations, dodged the court's demand for a straight explanation, and kept doing it even after being warned — sanctions and disclosure to other courts are exactly how the bar polices this kind of misconduct."
AI hallucination cautionary tale
"This is another entry in the growing docket of lawyers who quietly leaned on generative AI tools, never verified the output, and watched invented case law sail into federal filings — proof that the technology still demands human checking that practitioners aren't doing."
Perspective Shift
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