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AI Legal Sanction Case Database
The AI Legal Sanction Case Database is the authoritative, continuously-updated, free index of publicly reported cases where a US or foreign court sanctioned, warned, or issued an order to show cause over AI-hallucinated citations in a legal filing. According to Citation Safe’s public sanctions database, courts have addressed AI-citation problems in 1000 reported cases tracked here as of today, spanning 2023–2026. New cases are ingested daily.
- Cases tracked
- 2,109
- Courts covered
- 398
- Cases with a reported penalty
- 374
- USD-denominated penalties
- $1,400,706
- across 207 USD cases — other currencies not converted
This is the structured dataset: every row here is a live, queryable record — sortable and filterable by jurisdiction, AI tool, judge, and year, with results pulled fresh on every request. Download the full dataset as CSV. For curated write-ups of the highest-profile entries — case background, why each sanction happened, what to take from it — see the AI Hallucination Sanctions Tracker, our editorial companion to this database.
1,429 cases match these filters · page 4 of 29
| Case | Court | Jurisdiction | Judge | Decided | AI tool | Outcome | Penalty | Source |
|---|---|---|---|---|---|---|---|---|
| Hall v. The Academy Charter School | E.D. New York | USA | — | 2025-08-07 | Implied | No monetary sanctions imposed; counsel admonished | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| In re S.M., a Minor | CA Illinois | USA | — | 2025-08-07 | — | Monetary sanction; report to ARDC | 1000 | Case summary (Charlotin AI Hallucination Cases DB) |
| Pineda v. Campos | CA Arizona | USA | — | 2025-08-07 | Implied | Referral to State bar; Ex officio adverse costs order | 1 USD | Case summary (Charlotin AI Hallucination Cases DB) |
| Jackson v. BOK Financial Corporation et al (1) | N.D. Oklahoma | USA | — | 2025-08-08 | — | Motion stricken without prejudice; Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Herr v. Elos Environmental, LLC | E.D. Louisiana | USA | — | 2025-08-11 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Hocog v. Cook-Huynh | Superior Court of Guam | USA | — | 2025-08-11 | implied | Pending | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Lori Chavez-DeRemer v. NAB, LLC, Asia Trinh, and Nicole Brown | D. Nevada | USA | — | 2025-08-11 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Goya v. Hayashida | CA Florida (4d) | USA | — | 2025-08-13 | Implied | Warning | None reported | No source on file |
| Oready, LLC v. GAO | GAO | USA | — | 2025-08-13 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Woody Nora v. M & A Transport, Inc., et al. | E.D. Louisiana | USA | — | 2025-08-13 | Implied | Monetary Sanction; 1 hour of CLE on Generative AI; referral to the Disciplinary Committee. | 1000 USD | Source (reason.com) |
| Johnny McMurry, Jr. v. Neiders Company LLC, et al. | W.D. Washington | USA | — | 2025-08-14 | Implied | Court admonished plaintiff for citing a non-existent case and warned of potential Rule 11 sanctions; no sanction imposed. | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Monster Energy Company v. John H. Owoc | S.D. Florida | USA | — | 2025-08-14 | Unidentified | Community service and certification requirement for future filings | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Clonan v. Centrastate Healthcare system | D. New Jersey | USA | — | 2025-08-15 | Westlaw (and others unidentified) | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| in re: Nasser | E.D. Michigan (Bankruptcy) | USA | — | 2025-08-15 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| In re Sonja Helvig DeRosa-Grund | S.D. Texas (Bankruptcy) | USA | — | 2025-08-18 | Unidentified | Case dismissed with prejudice for one year | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Williams v. Kirch | CA Indiana | USA | — | 2025-08-18 | Implied | Admonishment | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Clark v. JPMorgan Chase Bank, N.A. | E.D. Michigan | USA | — | 2025-08-19 | Implied | Plaintiff's motion denied as frivolous; reply and sur-reply struck; plaintiff ordered to show cause | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Garces v. Hernandez | Fifth Circuit CA | USA | — | 2025-08-19 | Implied | Admonishment and Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Lahti v. Consensys Software Inc. | S.D. Ohio | USA | — | 2025-08-19 | Implied | Submission Stricken | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| In re R.L. | CA Illinois | USA | — | 2025-08-20 | Implied | No additional sanctions (given sanctions for Counsel in other cases) | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Chenco v. Do-Fluoride | D. Idaho | USA | — | 2025-08-22 | Implied | Court denied defendant's motion for leave to file a surreply, admonished counsel for submitting non-existent quotations, and granted plaintiff's motion to remand. | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Fernando Betancourt Gómez v. Colegio de Profesionales | Puerto Rico | USA | — | 2025-08-22 | Implied | Trial court imposed a monetary sanction of $1,000 on the lawyers for causing unjustified delay; referred the lawyers to the Puerto Rico Supreme Court for disciplinary evaluation; judge inhibited from cases involving those lawyers and case to be reassigned. | 1000 USD | Case summary (Charlotin AI Hallucination Cases DB) |
| In re Mascio | D. Colorado (Bankruptcy) | USA | — | 2025-08-22 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Chapter Kris Jackson v. BOK Financial Corporation, et al. (2) | N.D. Oklahoma | USA | — | 2025-08-26 | Implied | Show Cause Order | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Helgen Industries | GAO | USA | — | 2025-08-26 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| In re Richburg | D. South Carolina (Bankruptcy) | USA | — | 2025-08-27 | Microsoft CoPilot | 3 hours of CLE to be proven | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Roman v. County of Los Angeles | California SC | USA | — | 2025-08-27 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Takefman v. The Pickleball Club, LLC | CA Florida (3d) | USA | — | 2025-08-27 | Implied | Order to show cause | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| United States v. Michael Shane DeBaere (1) | W.D. Virginia | USA | — | 2025-08-27 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Lee v. R&R Home Care, Inc. | E.D. Louisiana | USA | — | 2025-08-28 | Google Gemini | Monetary sanction; referral | 1000 USD | Case summary (Charlotin AI Hallucination Cases DB) |
| Lonnie Allbaugh v. University of Scranton | M.D. Pennsylvania | USA | — | 2025-08-28 | Unidentified | Monetary sanction; complaint dismissed without prejudice; leave to amend granted. | 1000 USD | Case summary (Charlotin AI Hallucination Cases DB) |
| Multiphone Latin America v. Millicom International Cellular | S.D. Florida | USA | — | 2025-08-28 | Implied | Referral to District Ad Hoc Committee and the Florida Bar for investigation | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Myeesha Parker v. Costco Wholesale Corp. | W.D. Washington | USA | — | 2025-08-28 | Implied | Fine, Adverse Costs Order, Bar Referral | 6200 USD | Source (reason.com) |
| Thackston v. Driscoll | W.D. Texas | USA | — | 2025-08-28 | Implied | Magistrate Judge recommended Rule 11 sanctions | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| USA v. Sethi | E.D. Texas | USA | — | 2025-08-28 | Implied | Court denied defendant's motions; sentencing ordered to proceed as scheduled; no professional sanctions imposed. | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Clerk of the Ct. v. Rangel | Florida CA | USA | — | 2025-08-29 | Implied | Bar referral | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| IBS Government Services, Inc. | GAO | USA | — | 2025-08-29 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Lothamer Tax Resolution, Inc. v. Paul Kimmel (1) | W.D. Michigan | USA | — | 2025-08-29 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Blake Lewis v. Entergy Mississippi, LLC | S.D. Mississippi | USA | — | 2025-09-03 | Unidentified | Order to show cause | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| In re: Valsartan | D. New Jersey | USA | — | 2025-09-03 | Implied | Motion to exclude Expert opinions denied | None reported | Source (reason.com) |
| In re Whitehall Pharmacy LLC | E.D. Arkansas | USA | — | 2025-09-03 | Unidentified | OSC withdrawn and dismissed; no sanctions imposed; matter transmitted to Arkansas Office of Professional Conduct | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Nixon v. Ken Ganley Ford West | N.D. Ohio | USA | — | 2025-09-03 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Pete v. Houston Methodist Hospital | E.D. Texas | USA | — | 2025-09-03 | Unidentified | Order to show cause | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Steven E. Hobbs, Sr. v. Igor Goncharko, et al. (1) | N.D. Illinois | USA | — | 2025-09-03 | implied | No sanction imposed, but noted Rule 11 may apply to pro se litigants. | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| April Ann Nelson v. Navient Solutions, LLC, et al. | S.D. Iowa | USA | — | 2025-09-04 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Jason Stanford v. Behrooz P. Vida, et al. | W.D. Texas | USA | — | 2025-09-04 | Implied | — | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Turner v. Garrels | CA Iowa | USA | — | 2025-09-04 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| Anthony C. Hill v. Workday, Inc. (1) | N.D. California | USA | — | 2025-09-05 | CoCounsel | Order to circulate decision in law firm; CLE | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
| CommNV vs Uprise | Nevada DC | USA | — | 2025-09-05 | Implied | Monetary Penalty OR Order to volunteer and teach about AI or share their experience | 5000 USD | Source (youtube.com) |
| Poole v. Walmart, Inc. | N.D. Illinois | USA | — | 2025-09-05 | Implied | Warning | None reported | Case summary (Charlotin AI Hallucination Cases DB) |
This database aggregates publicly reported court sanctions and orders over AI-hallucinated citations. It is informational only, not legal advice, and not a complete record of every such case nationwide — see our free citation checker to verify your own filings before this happens to you.