Incident Tracker / United States (state)
West v. Lower Duwamish Waterway Group
·Court of Appeals of Washington, Division One·US-STATEWarningprovisional
The Washington Court of Appeals on 2026-04-20 admonished the self-represented party for unverified or fabricated authorities and cautioned against repeating the citation misconduct in Arthur West v. Lower Duwamish Waterway Group. The self-represented party filed a brief with one fabricated case citation and one false case quotation.
- Court
- Court of Appeals of Washington, Division One
- Date
- 2026-04-20
- Who used the AI
- Litigant in person
- AI tool
- Not identified in the record
- Conduct
- West’s pro se briefing provided fictitious quotations from existing cases; the court rebuked the lack of candor and reminded litigants to verify that citations are not invented or hallucinated by generative AI or any other source.
- Outcome
- Warning
- 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, “West v. Lower Duwamish Waterway Group”, safelegalai.com/tracker/arthur-west-v-lower-duwamish-waterway-group (accessed 2026-10-07). Data: CC BY 4.0.