Search 691 source-linked cases involving fabricated citations and other AI-generated legal errors.
814 judge-case associations across 549 judges and 187 courts.
Source: Damien Charlotin
Case screener
AI-related case
Fabricated: Case Law | Court identified Haglund v. Philip Morris Inc. as nonexistent and listed it as an example of fictitious citations in the plaintiff's briefing. || Fabricated: Case Law | Court identified In re Jackson as nonexistent and listed it as an e…
Judges: Stephanie Marie Rose
AI-related case
The magistrate judge found multiple cited authorities in the plaintiff's complaint to be fabricated or misquoted: two cases could not be located and two quotations attributed to real cases did not appear in those opinions. The court warned the plaintiff and o…
Judges: Mark Lane
AI-related case
In her latter response to the Court, Counsel apologised for her use of a "a non-firm approved general AI service".
Judges: Andrew S Harris
AI-related case
The Special Master found that Dr. Sawyer cited non-existent sources produced by an AI tool without adequate verification. The court concluded the opinions themselves were otherwise reliable and denied exclusion, while allowing cross-examination and noting tha…
Judges: Renée Marie Bumb, Thomas Ignatius Vanaskie
AI-related case
Fabricated: Case Law | Court concluded at least two of Plaintiff's motions contained citations to nonexistent cases created by generative AI; Defendants reported inability to locate the cited authorities. || Fabricated: Case Law | Multiple unspecified case ci…
Judges: J. Philip Calabrese
AI-related case
Fabricated: Case Law | Pro se plaintiff cited 'Lathan v. Brinkerhoff' in briefing; court and defense counsel could not locate the case and called it a ghost citation.
Judges: Lindsay Clayton Jenkins
AI-related case
Fabricated: Case Law | Court identified a fabricated case citation attributed to "Roman Catholic Church of Archdiocese of New Orleans v. Louisiana Health Serv. & Indem. Co., No. 20-1361, 2021 WL 1080684," which does not exist and whose cited Westlaw and docke…
Judges: Susie Morgan
AI-related case
The court later declined to reconsider its sanction (see here).
Judges: Karoline Mehalchick
AI-related case
Misrepresented: Case Law | Response cites at least four existing cases for propositions those opinions do not discuss (e.g., citing Morrison v. Nissan Motor Co., 601 F.2d 139 for an unrelated point); Court identified misapplication of authority. || False Quot…
Judges: Cecilia M. Altonaga
AI-related case
In a later decision, counsel was fined 3,000 USD, plus costs, which came to 3,200 USD. Counsel was also later referred to the Bar.
Judges: S. Kate Vaughan