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 | Defendant asserted the plaintiff's opposition contained "fake case law;" the court noted the allegation but did not identify specific fabricated cases or analyze them.
Judges: Andrew Patrick Gordon
AI-related case
Fabricated: Case Law | Court found multiple nonexistent case citations and extended false quoting from page 9, line 20 to page 10, line 5 of Kelly's opposition. || False Quotes: Case Law | Court found a quotation on page 2, lines 11-12 of Kelly's opposition that does not appear in the cited case(s). || False Quotes: Case Law | Court found a quotation on page 3, lines 3-4 of Kelly's opposition that does not appear in the cited case(s).
Judges: Andrew Patrick Gordon
AI-related case
Further decision from the same court on this motion here.
Judges: Brenda Weksler
AI-related case
Fabricated: Case Law | Plaintiff cited a case the court identified as apparently hallucinated; the court noted Scherer v. UTI Worldwide, Inc., 2017 WL 2806896 (D. Nev. 2017) appears fabricated. || False Quotes: Case Law | Plaintiff attributed specific Rule 35-related quotations to Schlagenhauf; the court found the quoted passages are not in that decision. || Fabricated: Case Law | Plaintiff cited a case the court identified as apparently hallucinated; the court noted EEOC v. Kaiser Found. Hosp., 2006 WL 3293362 (N.D. Cal. 2006) appears fabricated. || False Quotes: Case Law | Plaintiff quoted a passage and attributed it to Henry v. Gill Inds., Inc.; the court found the quoted language does not appear in that opinion. || False Quotes: Case Law | Plaintiff quoted a passage and attributed it to Zivkovic v. Southern California Edison Co.; the court found the quoted language does not appear in that opinion. || False Quotes: Case Law | Plaintiff attributed the line "At some point, litigation must come to an end" to Cornwell; the court found the quotation does not appear in that case. || False Quotes: Case Law | Plaintiff attributed a limiting-discovery quotation to Rivera v. NIBCO, Inc.;…
Judges: Daniel J. Albregts
AI-related case
False Quotes: Case Law | Plaintiff attributed the phrase “would offer a possible temptation to the average man as a judge to forget the burden of proof” to Withrow v. Larkin, but the court found that language does not appear in Withrow. || Fabricated: Other | Court noted risk that AI research/drafting tools can hallucinate or fabricate legal authority, possibly explaining some of the plaintiff's inaccurate citations. || Misrepresented: Case Law | Plaintiff cited Bittinger v. Tecumseh Products Co. for the proposition that voluntary engagement with a motion waives procedural objections, but the court found Bittinger (an ERISA/res judicata/privity case) does not support that waiver proposition.
Judges: Jennifer Anna Dorsey
AI-related case
Misrepresented: Case Law | Plaintiffs cited Stanley v. University of Southern California for the proposition that service-of-process fees are taxable under 28 U.S.C. § 1920(1); court found the citation does not support that proposition. || Misrepresented: Case Law | Plaintiffs cited Shum v. Intel Corp. as Ninth Circuit authority that pro se litigants may recover reasonable costs; court noted Shum is a Federal Circuit case and does not say what plaintiffs claim. || Fabricated: Case Law | Plaintiffs cited a Boilermaker v. Skelly decision with a 2013 WL citation; court found no such cited decision exists and that the actual Boilermaker opinion (389 F. Supp. 2d 1222) does not say what plaintiffs claimed.
Judges: Andrew Patrick Gordon
AI-related case
False Quotes: Case Law | Plaintiff attributed the quote "both baseless and made without a reasonable and competent inquiry" to Christian v. Mattel; court found no such quote in that opinion. || False Quotes: Case Law | Plaintiff attributed the quote "a reasonable attorney in like circumstances could believe his actions to be factually and legally justified" to Cooter & Gell; court found no such quote in that Supreme Court opinion. || Misrepresented: Case Law | Plaintiff attributed a leniency-for-pro-se quote to Warren v. Guelker, but the case contains no such quote and its holding is to the contrary; court found the attribution false. || False Quotes: Case Law | Plaintiff attributed the quote "Rule 11 is not intended as a vehicle for intimidation or punishment for minor pleading errors" to Hudson; court found no such quote or holding in that opinion. || False Quotes: Case Law | Plaintiff quoted the Supreme Court as cautioning against using Rule 11 "as a bar to the courthouse door" and cited Cooter & Gell at 393; court found no such quote in that opinion as used. || Misrepresented: Case Law | Plaintiff cited Sineneng-Smith and claimed it "acknowledg[ed] appellate errata" in a cited…
Judges: Richard Franklin Boulware II
AI-related case
Fabricated: Case Law | Plaintiff's filings contained citations to non-existent cases; the court described them as 'hallucinogenic' and warned that unverified AI-generated citations may lead to Rule 11 sanctions.
Judges: Andrew Patrick Gordon
AI-related case
Fabricated: Case Law
Judges: Nancy J. Koppe
AI-related case
False Quotes: Case Law | Plaintiff attributed a statement about Rule 36 being self-executing to Asea v. Southern Pacific Transportation, but the Court determined the quoted language does not appear in that opinion as cited. || False Quotes: Case Law | Plaintiff attributed a burden-of-proof statement regarding sanctions to Marchand v. Mercy Medical Center, but the Court found the quotation does not appear in the cited opinion. || False Quotes: Case Law | Plaintiff attributed a quote about discovery transparency (custodians, search terms, time frame) to Apple v. Samsung, but the Court found the quotation does not appear in the cited opinion. || False Quotes: Case Law | Plaintiff attributed a quotation about reasonable ESI searches to the cited Facebook PPC order, but the Court found the quotation does not appear in that order. || False Quotes: Case Law | Plaintiff attributed a quote about entitlement to know keyword searches to Apple v. Samsung, but the Court found the quotation does not appear in the cited opinion.
Judges: Nancy J. Koppe