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 | Plaintiff cited nonexistent cases in its opposition to Defendant's first attorneys' fees motion; Defendant incurred fees addressing those fabricated authorities and sought reimbursement.
Judges: Beth Labson Freeman
AI-related case
Fabricated: Case Law | Plaintiff's counsel cited a non-existent case 'Moss v. Provident Life and Accident Insurance Company, 2009 WL 4043065 (S.D. Cal. 2009)'; the Court found the citation does not exist and noted counsel likely relied on an AI tool.
Judges: Yvonne Gonzalez Rogers
AI-related case
Fabricated: Case Law | Plaintiff's briefing included citations to judicial opinions that do not appear to exist; the Court noted the miss-citations and warned about AI-generated fictitious cases.
Judges: Thomas S. Hixson
AI-related case
Counsel's subsequent explanation can be found here.
Judges: Susan Yvonne Illston
AI-related case
Order to Show Cause is here. Counsel failed to answer.
Judges: Thomas S. Hixson
AI-related case
Misrepresented: Case Law
Judges: Robert M. Illman
AI-related case
Fabricated: Case Law | Filed brief included a citation to a nonexistent case; court found the citation fabricated and tied its inclusion in part to AI use. || Misrepresented: Case Law | Court found the brief misrepresented the holding of a real case cited by counsel.
Judges: Peter H. Kang
AI-related case
Fabricated: Case Law | Original opposition included a repeatedly-cited, purported E.D. Cal. decision that the court found likely to be a fictitious AI-generated case; counsel later filed a corrected brief removing the citation and the court declined to sanction.
Judges: Virginia K. Demarchi
AI-related case
Fabricated: Case Law | Plaintiff cited multiple non-existent cases in the TAC which the Court concluded were hallucinated by AI and held non-existent cases cannot support his asserted legal propositions.
Judges: Yvonne Gonzalez Rogers
AI-related case
Fabricated: Case Law | Reply cites a non-existent Ninth Circuit case; court notes the citation does not exist.
Judges: Rita Faye Lin