Incident Tracker / United States (federal)
G.P. v. Jose Hernandez Arevalo, No. C26-284-KKE (W.D. Wash.)
·US District Court, Western District of Washington·US-FEDWarning
In the US District Court for the Western District of Washington, plaintiff's counsel cited a nonexistent federal case in briefing against Turo. Judge Evanson described the citation as likely AI-fabricated, compelled arbitration, stayed the case and warned that fabricated authorities and missed deadlines fell below professional standards.
- Court
- US District Court, Western District of Washington
- Date
- 2026-09-08
- Who used the AI
- Lawyer
- AI tool
- Not identified in the record
- Conduct
- Plaintiff's counsel cited a non-existent federal case in briefing against Turo and later replaced it after the issue was identified. The court described the citation as apparently fabricated and likely the result of AI, but did not impose sanctions at that stage.
- Outcome
- Warning
- Penalty
- No monetary penalty recorded
- Regulatory outcome
- No separate regulatory disposition recorded
- Status
- Verified against listed sources
- Last checked
- 2026-09-11
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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Summary record: the facts above are verified against the listed sources, but the court's reasoning and later dispositions have not yet been written up. It is excluded from search indexes until that is done.
Cite this record
SafeLegalAI Global Legal AI Incident Tracker, “G.P. v. Jose Hernandez Arevalo, No. C26-284-KKE (W.D. Wash.)”, safelegalai.com/tracker/gp-v-arevalo (accessed 2026-09-11). Data: CC BY 4.0.