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Incident Tracker / United States (federal)

Adams v. Matrix Providers, No. 1:23-cv-01996 (D. Colo.)

·US District Court for the District of Colorado·US-FEDFine

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.

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