Incident Tracker / United States (federal)
Gentry v. Thompson
·United States District Court for the Eastern District of Louisiana·US-FEDFineprovisional
On 2026-03-20, U.S. District Court for the Eastern District of Louisiana personally sanctioned counsel $1,250 and formally admonished him after he admitted using ChatGPT without checking nine hallucinated cases. Counsel submitted a brief with The brief cited nine hallucinated cases generated through ChatGPT that counsel admitted he had not checked.
- Court
- United States District Court for the Eastern District of Louisiana
- Date
- 2026-03-20
- Who used the AI
- Lawyer
- AI tool
- ChatGPT
- Conduct
- Defense counsel's memorandum supporting a Rule 12(b)(6) motion contained nine nonexistent case citations generated through ChatGPT and not checked before filing.
- Outcome
- Fine
- Penalty
- US$1,250
- Regulatory outcome
- No separate regulatory disposition recorded
- Status
- Provisional — written by the court-decisions pipeline, awaiting the editor
- Last checked
- 2026-09-07
Primary sources for this incident
Related regulation records for this incident
No related regulation record has been linked to this incident yet.
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Cite this record
SafeLegalAI Global Legal AI Incident Tracker, “Gentry v. Thompson”, safelegalai.com/tracker/daniel-gentry-v-calvin-thompson-et-al (accessed 2026-10-07). Data: CC BY 4.0.