Search 1,395 source-linked cases involving fabricated citations and other AI-generated legal errors.
837 judge-case associations across 551 judges and 164 courts.
Source: Damien Charlotin
Case screener
AI-related case
Fabricated: Case Law | Appellant's brief cited non-existent legal authorities (fabricated cases) in violation of rule 2.515(d)(2); court identified the filings contained such non-existent authorities and issued show-cause. || Misrepresented: Case Law | Appellant's brief also cited existing authorities inaccurately (misrepresented legal propositions), prompting the same sanction inquiry.
Judges: Dan Traver, Roger K. Gannam
AI-related case
Fabricated: Case Law | Another cited decision that the Court could not find and determined appears to be nonexistent. || False Quotes: Case Law | Court could not locate a quoted parenthetical attributed to In re Global Const. & Supply, Inc.; the quoted language does not appear in the cited decision after extensive review. || Fabricated: Case Law | Plaintiffs cited a case that does not appear to exist, which the Court could not locate in its review.
Judges:
AI-related case
Fabricated: Case Law | Appellant's amended 2-1401 petition cites a nonexistent case 'Cavalry SPV I, LLC v. McCaleb, 2019 IL App (1st) 181562-U'; court identified it as non-existent. || Fabricated: Case Law | Appellant's amended 2-1401 petition cites a nonexistent case 'State Bank of Freeport v. Pengrag, 227 Ill. App. 3d 295 (2nd Dist. 1992)'; court identified it as non-existent. || Fabricated: Case Law | Appellant's amended 2-1401 petition cites a nonexistent case 'Sprague v. Biggs, 221 Ill. App. 3d 471 (1st Dist. 1991)'; court identified it as non-existent. || False Quotes: Case Law | Appellant's opening brief attributes a quoted passage to 'CACH, LLC v. Carle, 2014 IL App (1st) 130465' but the court found the quoted language does not appear in any Illinois case. || Misrepresented: Case Law | Multiple citations in appellant's filings 'do not support the proposition cited for' per the appellate court's observation.
Judges:
AI-related case
Fabricated: Case Law | Appellant's brief cited a nonexistent case; the court observed he cited no authority beyond that nonexistent case when defending IIED and defamation claims.
Judges: Jacques Loeb Wiener Jr.
AI-related case
Fabricated: Case Law | Appellant cited Jackson v. Jackson, 624 S.W.3d 630, 639 (Tex. App.—Houston [1st Dist.] 2021, no pet.), which the court could not locate and deemed likely AI‑hallucinated; the court did not rely on it.
Judges: J. Wade Birdwell
AI-related case
Misrepresented: Case Law | Plaintiff cited 'Shellhammer v. Lewallen, 1 F.3d 1007, 1009–10 (10th Cir. 1993)' for a proposition; the Court found the citation confused two different cases and did not support the proposition.
Judges:
AI-related case
Fabricated: Case Law | Appellant cited a non-existent case, which the court identified as fictitious and warned could lead to sanctions.
Judges:
AI-related case
Fabricated: Case Law | Plaintiff cited Perez v. Mortgage Bankers Ass'n, 677 F. Supp. 2d 63 (D.D.C. 2009), which the Court found does not correspond to any legitimate case. || Fabricated: Case Law | Plaintiff cited Van Scoy v. Process Control Corp., 113 F.3d 891 (8th Cir. 1997), which the Court found to be a non-existent/incorrect citation. || Fabricated: Case Law | Plaintiff cited Cok v. Family Dollar Stores of Ind., L.P., 2013 WL 1187553 (N.D. Ind. Mar. 21, 2013), which the Court determined did not correspond to a legitimate case as cited. || False Quotes: Case Law | Plaintiff attributed the quote 'Officers who lie … are not entitled to qualified immunity' to Robison v. Via, but the Court found Robison did not contain that statement. || False Quotes: Case Law | Plaintiff included several other direct quotes (e.g., 'misleading characterizations of the record … constitute sanctionable conduct'; 'deliberate attempts to exploit a litigant’s disabilities constitute bad faith') that the Court found to be fabricated or untraceable to the cited authorities.
Judges:
AI-related case
Fabricated: Case Law | Patterson cited a non-existent federal case to support her arguments; court flagged it as fabricated authority. || Misrepresented: Case Law | Patterson cited Romero for a proposition about the Uniform Commercial Code though Romero is a criminal case and does not support the proposition (misapplied precedent). || Fabricated: Case Law | Patterson relied on a purported Fifth Circuit decision that the court determined does not exist. || Fabricated: Case Law | Multiple cited bankruptcy decisions listed in the brief were identified as nonexistent or unverifiable AI-generated citations. || False Quotes: Case Law | A quotation was attributed to a real California Supreme Court decision but the quoted language does not appear in that decision (false quotation).
Judges:
AI-related case
Fabricated: Case Law | Plaintiff cited 'Cargill Inc. v. Zurich Am. Ins. Co., 825 F.3d 256 (5th Cir. 2016)'; the court found the case does not exist and counsel admitted the citation was generated by generative AI and unverified (see Notice of Errata, ECF No. 45).
Judges: Rebecca A. Rutherford