Incident Tracker / United States (federal)
Quandel Construction Group, Inc. v. Hunt Construction Group, Inc.
·United States District Court for the Southern District of Ohio·US-FEDPendingprovisional
On 2026-03-31, U.S. District Court for the Southern District of Ohio ordered counsel to explain how nonexistent citations and nonexistent quoted language entered Hunt’s briefing despite counsel’s denial that AI caused the errors. Counsel submitted a brief with The brief cited nonexistent cases and quoted language that the court could not find in any actual decision.
- Court
- United States District Court for the Southern District of Ohio
- Date
- 2026-03-31
- Who used the AI
- Lawyer
- AI tool
- Not identified in the record
- Conduct
- Hunt's opposition memorandum gave an apparently incorrect Vaughn case number and cited an apparently nonexistent Aerpio case with the wrong case number and Westlaw citation, three quotations that did not exist in the actual Aerpio decision, and pinpoint citations to pages that did not support the proposition.
- Outcome
- Pending
- Penalty
- No monetary penalty recorded
- 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, “Quandel Construction Group, Inc. v. Hunt Construction Group, Inc.”, safelegalai.com/tracker/quandel-construction-group-inc-v-hunt-construction-group-inc (accessed 2026-10-07). Data: CC BY 4.0.