Incident Tracker / United States (federal)
Adams v. Matrix Providers, No. 1:23-cv-01996 (D. Colo.)
The US District Court for the District of Colorado fined counsel Ms Pearson USD 1,000 after her brief cited a nonexistent case and attributed a quotation to Justice Scalia from an opinion dated 2020, four years after his death. Judge Sweeney's order is on CourtListener RECAP; the available summary does not record whether counsel admitted using generative AI.
- Court
- US District Court for the District of Colorado
- Date
- 2026-08-27
- Who used the AI
- Lawyer
- AI tool
- Not identified in the record
- Conduct
- Counsel Ms Pearson filed a brief containing a phantom citation and a quotation attributed to Justice Scalia from a 2020 opinion, although Justice Scalia died in 2016.
- Outcome
- Fine
- Penalty
- US$1,000
- Regulatory outcome
- No separate regulatory disposition recorded
- Status
- Verified against listed sources
- Last checked
- 2026-09-03
Primary sources for this incident
Related regulation records for this incident
No related regulation record has been linked to this incident yet.
Cite this record
SafeLegalAI Global Legal AI Incident Tracker, “Adams v. Matrix Providers, No. 1:23-cv-01996 (D. Colo.)”, safelegalai.com/tracker/adams-v-matrix-providers (accessed 2026-09-04). Data: CC BY 4.0.