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
Loyer v. Wayne County Michigan et al.
U.S. District Court for the Eastern District of Michigan · Michigan · Apr 28, 2026
False Quotes: Case Law | Brief attributed quotes or content to authorities that the cited sources did not contain (false or misattributed quotations). || Fabricated: Case Law | Brief included multiple entirely fictitious case citations supplied by AI; court found the case law bogus. || Misrepresented: Case Law | Brief contained citations with incorrect citations (different citations than purported authorities).
Judges: Curtis Ivy, Jr, Shalina Deborah Kumar
Ordered to attend an ethics seminar and produce proof of attendanceParty using AI: Represented by counselRead the decision ↗ AI-related case
Loyer v. Wayne County Michigan
U.S. District Court for the Eastern District of Michigan · Michigan · Mar 21, 2025
Fabricated: Case Law | Plaintiff's counsel included AI-generated bogus legal citations in the response brief; the Court admonished counsel and ordered attendance at an ethics seminar. || Misrepresented: Exhibits & Submissions | Plaintiff's brief asserted Loyer reported psychiatric illness, daily meth use, severe withdrawal with hallucinations, and was uncooperative/anxious/angry; the Court found the cited medical records show the opposite (denials and 'unremarkable'/'appropriate').
Judges: Shalina Deborah Kumar
Plaintiff's counsel ordered to attend an ethics seminarParty using AI: Represented by counselRead the decision ↗ AI-related case
Ruggierlo et al. v. Lancaster
U.S. District Court for the Eastern District of Michigan · Michigan · Sep 11, 2023
AI UseLancaster, filing objections to a magistrate judge’s Report and Recommendation, cited several fabricated case authorities. The Court noted the possibility of reliance on a generative AI tool and explicitly warned Lancaster about future misconduct.Hallucination DetailsFabricated or mutant citations, including:Bazzi v. Sentinel Ins. Co., 961 F.3d 734 (6th Cir. 2020) — mutant citation blending two unrelated real casesMaldonado v. Ford Motor Co., 720 F.3d 760 (5th Cir. 2013) — nonexistentMalliaras & Poulos, P.C. v. City of Center Line, 788 F.3d 876 (6th Cir. 2015) — nonexistentCourt highlighted that the majority of the cited cases in Lancaster’s objections were fake.Ruling/SanctionNo immediate sanction imposed due to pro se status and lack of prior warnings. However, the Court issued a pointed warning that citing "made-up law" could lead to significant sanctions, either in that Court or any other court to which the case might be remanded.Key Judicial ReasoningThe Court emphasized that unverified, fabricated legal citations undermine the judicial process and waste both judicial and litigant resources. Even without clear evidence of malicious intent, negligence in checking cit…
Judges: Shalina Deborah Kumar
