Incident Tracker / United States (federal)
Nydia Rosario v. Liberty Mutual Personal Insurance Company
·United States District Court for the Eastern District of Pennsylvania·US-FEDSanctionsprovisional
Eastern District of Pennsylvania on 2026-02-13 in Nydia Rosario v. Liberty Mutual Personal Insurance Company found counsel's brief contained five citation defects, including Id. at *2-3, Kiessling v. State Farm and Santiago v. Warminster Twp, involving nonexistent authorities, fabricated or misattributed quotations. The court ordered counsel to share the decision with the firm and address the citation-verification failure internally.
- Court
- United States District Court for the Eastern District of Pennsylvania
- Date
- 2026-02-13
- Who used the AI
- Lawyer
- AI tool
- Not identified in the record
- Conduct
- Liberty Mutual’s counsel’s brief contained incorrect reporter volumes, incorrect pincites, misquoted language, omitted pincites, incomplete electronic citations, and misidentified captions.
- Outcome
- Sanctions
- 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, “Nydia Rosario v. Liberty Mutual Personal Insurance Company”, safelegalai.com/tracker/nydia-rosario-v-liberty-mutual-personal-insurance-company (accessed 2026-10-07). Data: CC BY 4.0.