AI Abuse Court Cases
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
1,395Cases
837Judge-case associations
551Judges
164Courts
3 cases found · 10 maximum per page
AI-related case
Cesareo v. Port Authority of New York and New Jersey
U.S. District Court for the District of New Jersey · New Jersey · Dec 31, 2025
Fabricated: Case Law | Plaintiff cited a Ninth Circuit opinion 'Doe v. Bogan, 93 F.3d 544, 551 (9th Cir. 1996),' which the Court was unable to locate and concluded does not appear to exist as cited. || False Quotes: Case Law | Plaintiff attributed language to Int'l Bhd. of Teamsters, Loc. No. 310, 587 F.2d 1176, 1182 (D.C. Cir. 1978) that the Court could not locate in the opinion (misquoted/attributed language). || False Quotes: Case Law | Plaintiff cited Welling v. Alexy, 155 F.R.D. 654, 657 (N.D. Cal. 1994) for a proposition about irreparable psychological/reputational harm, but the Court was unable to locate that language in the opinion (misquoted).
Judges: Cari Fais, Jamel Ken Semper
AI-related case
Eric Hildebrandt v. siParadigm LLC et al.
U.S. District Court for the District of New Jersey · New Jersey · Dec 31, 2025
Fabricated: Case Law | Supplemental Filing contained forty-three identified instances of fabricated citations or case law; Court declined to consider the filing and treated those propositions as unsupported. || Fabricated: Case Law | Consolidated Complaint was 'replete with citations to irrelevant, and sometimes fabricated, case law' across many paragraphs; Court refused to credit those citations. || Misrepresented: Case Law | Defendants noted several incorrect/inaccurate citations in the Consolidated Complaint, including two cases cited over fifty times that did not support Plaintiffs' propositions; counsel's errata did not cure these inaccuracies. || False Quotes: Exhibits & Submissions | Plaintiffs' Opposition contained AI drafting artifacts and unchecked inserted text (e.g., 'Let me know when you’d like to proceed to the next section: Count Eight . . .'), evidencing unverified AI-generated material and potential false quotations in submissions.
Judges: Jamel Ken Semper, Leda Dunn Wettre
AI-related case
Kertesz v. Colony Tire Corp et al.
U.S. District Court for the District of New Jersey · New Jersey · Sep 30, 2025
Plaintiff's counsel filed a Notice of Errata admitting that erroneous citation and quotation errors in multiple briefs resulted from the attorney's use of generative AI. The Court refused to consider the amended briefs/errata for purposes of its decision and treated any propositions supported solely by the incorrect or made-up citations as unsupported. The Court declined to impose sanctions but warned the attorney that relying on AI without proper oversight can be sanctionable under the New Jersey Rules of Professional Conduct.
Judges: Jamel Ken Semper
