Incident Tracker / United States (federal)
Blackburn v. United States
On 2026-04-07, U.S. District Court for the Western District of Oklahoma denied the motion in limine and warned that the plaintiff’s mischaracterized treating-physician authorities implicated Rule 11. A self-represented party submitted a motion with false quotations, fabricated or nonexistent authorities and mischaracterized authorities, including Hall v. United States and Poppino v. Berryhill, an unrelated decision.
- Court
- United States District Court for the Western District of Oklahoma
- Date
- 2026-04-07
- Who used the AI
- Litigant in person
- AI tool
- Not identified in the record
- Conduct
- Blackburn’s pro se motion in limine cited Davoll for a proposition it did not support, cited Muscogee (Creek) Nation despite no discussion of treating physicians, and cited Hall v. United States with a Westlaw identifier that resolved to the unrelated Poppino v. Berryhill decision.
- 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, “Blackburn v. United States”, safelegalai.com/tracker/blackburn-v-united-states (accessed 2026-10-07). Data: CC BY 4.0.