Incident Tracker / United States (federal)
Cartagena v. Dixon; Dixon v. Cartagena, Nos. 1:25-cv-03552 and 1:25-cv-05144 (S.D.N.Y.)
·US District Court for the Southern District of New York (Magistrate Judge Jennifer Willis)·US-FEDRegulatory referralunverified
A magistrate judge of the US District Court for the Southern District of New York struck a filing by attorney Tyrone Blackburn after finding 17 instances of quotation marks around language absent from the cited cases, part of a multi-district pattern of fabricated quotations, and folded the new violations into a pending referral to the court's Grievance Committee.
- Court
- US District Court for the Southern District of New York (Magistrate Judge Jennifer Willis)
- Date
- 2026-07-10
- Who used the AI
- Lawyer
- AI tool
- Not identified in the record
- Conduct
- Attorney Tyrone A. Blackburn placed quotation marks around language absent from the cited cases in at least 17 instances, after opposing counsel flagged apparent AI errors. He had previously been sanctioned for the same conduct in the Western District of Pennsylvania (USD 5,000, June 2025), the Southern District of New York and the District of New Jersey.
- Outcome
- Regulatory referral
- Penalty
- No monetary penalty recorded
- Regulatory outcome
- Grievance Committee, US District Court for the Southern District of New York: The court added the new violations to an existing referral of counsel to the SDNY Grievance Committee. No disposition on record. (2026-07-10)
- Status
- Unverified — pending primary-source confirmation
- 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, “Cartagena v. Dixon; Dixon v. Cartagena, Nos. 1:25-cv-03552 and 1:25-cv-05144 (S.D.N.Y.)”, safelegalai.com/tracker/cartagena-v-dixon-blackburn (accessed 2026-09-04). Data: CC BY 4.0.