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: Legal Norm | Appellant's briefs referenced the nonexistent procedural rule "Iowa R. App. P. 6.1004(3)"; court noted it could be a typo or unchecked AI output and found no other hallucinated authorities.
Judges: John M. Sandy, Mary E. Chicchelly, Mary Tabor
AI-related case
Fabricated: Case Law | Multiple fabricated case citations throughout the briefs such that the court could not separate legitimate authorities from hallucinations. || False Quotes: Case Law | Briefs contained direct quotations attributed to at least eight appellate decisions; the quoted text does not appear in those decisions. || Fabricated: Case Law | Briefs cited two Iowa cases that do not exist; the reporter citations provided correspond to unrelated cases from other states.
Judges: Tyler J. Buller
AI-related case
Fabricated: Case Law | Appellant's briefs included citations to cases that do not exist, i.e., fabricated case citations mentioned without supporting authority. || Misrepresented: Case Law | Appellant cited existing cases but attributed holdings or propositions to them that they do not support (misstated holdings / misrepresented precedent).
Judges: Paul B. Ahlers
AI-related case
Fabricated: Case Law | Appellant's brief cited a case that the court determined does not exist. || Fabricated: Case Law | Appellant's brief cited a second case that the court determined does not exist. || Misrepresented: Case Law | Appellant cited an existing case that the court concluded 'has nothing to do with the proposition' for which it was cited (misapplied precedent).
Judges: Mary Tabor, Samuel P. Langholz
AI-related case
Fabricated: Case Law | Reply brief included citations to cases and statutory text that the court could not locate; court concluded they were likely fabricated by AI and ordered counsel to explain. || False Quotes: Case Law | Reply brief contained inaccurate quotations from purported authorities such that the court determined the quotations were not accurately derived from real sources.
Judges: Mary Tabor, Sharon Soorholtz Greer
AI-related case
Fabricated: Case Law | Turner quoted at least one nonexistent case in his judicial-notice motion; the court observed this appeared to be AI misuse and cautioned parties to independently verify sources.
Judges: Mary Tabor, Samuel P. Langholz