New York · 7 courts
AI-hallucinated citation decisions in New York
24 decisions and docket orders, 2023 to 2026, from 7 courts in New York, in which a court addressed authority that did not exist. Each links the court's own words and the source document.
Retrieved from CourtListener public records.
Courts in New York
Every record, newest first
| Date | Case | Court | The text mentions | Source |
|---|---|---|---|---|
| Nantongo v. Nationwide Mortgage Bankers Inc No. 1:22-cv-04974 | E.D.N.Y | a warning or admonition, a referral to a bar or disciplinary body, attorney's fees or costs, a self-represented party | CourtListener | |
| Panches Bando No. 26-22418 | Bankr. S.D.N.Y. | a warning or admonition, attorney's fees or costs, sanctions | CourtListener | |
| Matter of Mendel S. v. Faigy S. No. File No. 186725 | N.Y. Fam. Ct., Kings Cty. | fabricated authority | CourtListener | |
| TPLogix v. 370 Cartons of 100 No. 1:25-cv-07098 | S.D.N.Y. | dismissal, sanctions, an order to show cause | CourtListener | |
| Jimenez-Fogarty v. Fogarty No. 1:24-cv-08705 | S.D.N.Y. | ChatGPT, CoCounsel, a warning or admonition, a referral to a bar or disciplinary body | CourtListener | |
| Mercante v. Tarzia No. 1:24-cv-08471 | E.D.N.Y | Claude, Westlaw AI, a warning or admonition, attorney's fees or costs | CourtListener | |
| Hodges v. McGough Enterprises LLC No. 7:23-cv-05016 | S.D.N.Y. | a warning or admonition, dismissal, a self-represented party, sanctions | CourtListener | |
| Matter of Lewis No. Motion No. 2026-01135|Case No. 2026-00170| | N.Y. App. Div. | fabricated authority | CourtListener | |
| O'Neill v. The Antihero Podcast No. 7:25-cv-10786 | S.D.N.Y. | a warning or admonition, dismissal, Rule 11, sanctions | CourtListener | |
| Superb Motors Inc. v. Deo No. 2:23-cv-06188 | E.D.N.Y | Google (search or AI overview), a referral to a bar or disciplinary body, dismissal, a self-represented party | CourtListener | |
| Michaelis v. Wilmington Sav. Fund Socy. No. Index No. 2023-50982 | N.Y. Sup. Ct., Dutchess Cty. | fabricated authority | CourtListener | |
| Cartagena v. Dixon No. 1:25-cv-03552 | S.D.N.Y. | ChatGPT, Google (search or AI overview), a warning or admonition, a referral to a bar or disciplinary body | CourtListener | |
| M7 Industria e Comercio v. U.S. Structural Plywood Integrity No. 1:25-cv-04568 | S.D.N.Y. | fabricated authority | CourtListener | |
| Peak v. Maraj-Petty No. 1:25-cv-07552 | S.D.N.Y. | a warning or admonition, dismissal, a self-represented party, sanctions | CourtListener | |
| Rhee-Karn v. Lask No. 1:15-cv-09946 | S.D.N.Y. | ChatGPT, a warning or admonition, a referral to a bar or disciplinary body, continuing legal education | CourtListener | |
| Brink's Global Services USA v. Bonita Pearl No. 1:22-cv-06653 | S.D.N.Y. | fabricated authority | CourtListener | |
| Pennantia v. Rose Cay Maritime No. 1:25-cv-05904 | S.D.N.Y. | ChatGPT, a warning or admonition, a referral to a bar or disciplinary body, dismissal | CourtListener | |
| Flycatcher Corp. Ltd. v. Ozmos Company LLC No. 1:24-cv-09429 | S.D.N.Y. | ChatGPT, CoCounsel, Google (search or AI overview), dismissal | CourtListener | |
| Kaur v. Desso No. 9:25-cv-00726 | N.D.N.Y. | Claude, continuing legal education, dismissal, Rule 11 | CourtListener | |
| Cordero Romero v. Goldman Sachs Bank USA No. 1:25-cv-02857 | S.D.N.Y. | a self-represented party, Rule 11, sanctions | CourtListener | |
| Park v. Parker No. 1:25-cv-00789 | S.D.N.Y. | ChatGPT, Gemini / Bard, a warning or admonition, a referral to a bar or disciplinary body | CourtListener | |
| United States v. Cohen No. 1:18-cr-00602 | S.D.N.Y. | Gemini / Bard, Rule 11, sanctions, an order to show cause | CourtListener | |
| Park v. Kim No. 1:20-cv-02636 | E.D.N.Y | ChatGPT, Gemini / Bard, a warning or admonition, a referral to a bar or disciplinary body | CourtListener | |
| Mata v. Avianca No. 1:22-cv-01461 | S.D.N.Y. | ChatGPT, a warning or admonition, continuing legal education, dismissal | CourtListener |
The whole record of court decisions on AI-hallucinated citations. For what courts and bars in New York require of a filing with AI in it, see the court AI orders tracker.