Incident Tracker / United States (federal)
Brownfield v. Cherokee County School District No. 35
·United States District Court for the Eastern District of Oklahoma·US-FEDCosts orderprovisional
On 2026-03-19, U.S. District Court for the Eastern District of Oklahoma denied the plaintiff’s sanctions motion but imposed a $500 sanction for citing fictitious or inaccurate authorities generated through AI research. A self-represented party submitted a motion with two false quotations, fabricated or nonexistent authorities and mischaracterized authorities, including Hill v. Oklahoma and Wadsworth v. Walmart.
- Court
- United States District Court for the Eastern District of Oklahoma
- Date
- 2026-03-19
- Who used the AI
- Litigant in person
- AI tool
- Not identified in the record
- Conduct
- Brownfield's sanctions motion contained multiple citations that did not exist or did not support the cited propositions, and he admitted using AI for legal citations in that filing.
- Outcome
- Costs order
- Penalty
- US$500
- Regulatory outcome
- No separate regulatory disposition recorded
- Status
- Provisional — written by the court-decisions pipeline, awaiting the editor
- Last checked
- 2026-09-08
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, “Brownfield v. Cherokee County School District No. 35”, safelegalai.com/tracker/oscar-brownfield-v-cherokee-county-school-district-no-35 (accessed 2026-10-07). Data: CC BY 4.0.