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
False Quotes: Case Law | Appellant's reply brief quoted 'production of a copy of the note does not prove possession of the original[.]' attributed to Brock; court found the quote does not appear in Brock or any case.
Judges:
AI-related case
Fabricated: Case Law | Appellant's brief contained multiple fictitious case citations throughout; Court characterized these as 'hallucinated' AI-generated authorities. || False Quotes: Case Law | Appellant included fictitious quotations attributed to cases in her brief; Court flagged these as false quotations consistent with AI hallucination. || Fabricated: Case Law | Mother cited five fictitious cases in support of her argument about attorney fees and additional fictitious cases on other issues; Court treated those arguments as abandoned for lack of valid authority.
Judges:
AI-related case
Fabricated: Case Law | Plaintiff cited a non-existent case (identified by the court as fabricated). || Misrepresented: Case Law | Plaintiff attributed the opposite holding to a real case; court identified the mischaracterization.
Judges: Daniel Desmond Domenico
AI-related case
Fabricated: Case Law | Peters filed motions containing AI-generated legal citations and quotations; the court identified these as hallucinated, struck the filings, and warned her to cease using AI to generate citations/quotes.
Judges:
AI-related case
Fabricated: Case Law | Court observed two citations were not to decisions at all (i.e., fabricated or non-existent authorities); defendant pointed this out. || False Quotes: Case Law | Court noted at least four cited cases do not include the language the plaintiff purports to quote; defendant identified these inaccurate quotations.
Judges: Ann Marie Donnelly
AI-related case
False Quotes: Case Law | Plaintiff's opening brief attributes a quotation to Board of County Commissioners v. Brown that does not appear verbatim in that decision; Court labels it a fabricated quotation and counsel acknowledges the inaccuracy. || False Quotes: Case Law | Plaintiff's opening brief attributes a quotation to Laber v. Harvey that is a misquotation; counsel acknowledges the misquotation though contends the underlying principle is correct.
Judges:
AI-related case
Fabricated: Case Law | Opening brief cited a case that does not exist. || Fabricated: Case Law | Opening brief cited a case that does not exist. || False Quotes: Case Law | Quotation attributed to Kamalthas does not appear in that opinion. || False Quotes: Case Law | Quotation attributed to Avendano-Hernandez does not appear in that opinion. || Misrepresented: Case Law | Real cases were represented as supporting propositions they do not discuss (mischaracterization of holdings). || Misrepresented: Case Law | Real case cited for a point about affidavits when the opinion does not discuss affidavits. || Fabricated: Case Law | Additional fabricated citations identified in other briefs filed by the same attorney. || Fabricated: Case Law | Fabricated citations identified in another matter filed by the same attorney. || Fabricated: Case Law | Opening brief cited a case that does not exist; Court found the citation fabricated and replacement citation (Udo) did not support the claimed proposition. || Fabricated: Case Law | Opening brief cited a second case that does not exist; Court found no plausible typographical explanation and replacement citation (Lai) did not support the original poi…
Judges: Carlos T. Bea, Danielle Jo Forrest, Richard A. Paez
AI-related case
Misrepresented: Case Law | Court identified Plaintiffs cited Stroud with an incorrect docket/citation and relied on it for a proposition the case did not support; court explained correct citation and that Stroud did not stand for Plaintiffs' asserted proposition. || Misrepresented: Case Law | Court found Plaintiffs mis-cited Affordable Communities (wrong case number/Westlaw cite/date) and that the cited decision differed from Plaintiffs' representation. || Misrepresented: Case Law | Court flagged Plaintiffs' incorrect citation to Family Dollar/Tsai (wrong case number and Westlaw cite) and that Plaintiffs' briefing misstated the authority. || Misrepresented: Case Law | Court concluded Plaintiffs relied on Cook v. MFA Livestock for a 'single phone call' proposition although Cook did not involve or support that fact pattern; court characterized Plaintiffs' use as inaccurate/misleading. || Misrepresented: Case Law | Court found Plaintiffs cited Institutional Food as supporting a broad proposition about Missouri law prohibiting interference based on discriminatory motives, but the cited decision did not support that proposition and was inapposite. || Misrepresented: Case Law | Court no…
Judges: Roseann Ambrosia Ketchmark
AI-related case
Fabricated: Case Law | Plaintiff cited 'Press v. Vanderbilt University' for actual malice; court could find no such case and the citation led to an SEC No-Action letter instead. || Fabricated: Case Law | Plaintiff cited 'Thornbury v. Madison Cnty., 242 F. Supp. 3d 851, 860 (W.D. Tenn. 2017)'; court found no matching opinion and identified only an unrelated Jackson v. Lew, 242 F. Supp. 3d 850 (W.D. Mo. 2017). || False Quotes: Case Law | Plaintiff attributed a quotation to Lazy Seven Coal Sales but the quoted language does not appear in the cited opinion. || False Quotes: Case Law | Plaintiff attributed a quotation to White v. McBride that the court determined does not exist in that opinion. || Misrepresented: Case Law | Plaintiff cited Seaton v. Lawson Chevrolet-Mazda, a real case, for the proposition that a fiduciary duty of loyalty exists independent of negligence, but the case addressed punitive damages in a car sale and is unrelated to fiduciary duties. || Misrepresented: Case Law | Plaintiff cited Hoover v. Langston Equip. Assocs., Inc., 958 F.2d 742 (6th Cir. 1992) as supporting that no authority imposes fiduciary duties from a client to a lawyer; court noted Hoover did not a…
Judges: Sheryl Halle Lipman