Incident Tracker / United States (federal)
Chakma v. Sushi Katsuei, Inc.
·United States District Court for the Southern District of New York·US-FEDFineprovisional
On 2026-05-19, in Chakma v. Sushi Katsuei, Inc, the Southern District of New York imposed a $2,712 monetary sanction for the defective legal authorities. Counsel filed opposition papers using authorities used for propositions they did not support. The monetary component was $2,712.
- Court
- United States District Court for the Southern District of New York
- Date
- 2026-05-19
- Who used the AI
- Lawyer
- AI tool
- LexisNexis AI
- Conduct
- Defense counsel used LexisNexis’s AI tool in multiple submissions and admitted some citations and a reference to “§ 3.01” resulted from AI hallucinations. The court ordered defense counsel to pay $1,710 in fees and a $1,000 court penalty.
- Outcome
- Fine
- Penalty
- US$1,000
- 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, “Chakma v. Sushi Katsuei, Inc.”, safelegalai.com/tracker/chakma-v-sushi-katsuei-inc (accessed 2026-10-07). Data: CC BY 4.0.