A federal court in Oklahoma warned an attorney that future AI-generated fake citations could lead to sanctions or the striking of filings. Though no sanctions were imposed this time, the court’s rebuke signals escalating judicial intolerance for unverified AI-generated legal research.
A California appellate court affirmed a vexatious litigant order against a pro se appellant who submitted fabricated quotations from real cases across his opening and reply briefs. The court documented specific invented passages in its published opinion and issued a formal warning.
Oregon’s Court of Appeals sanctioned pro se appellant Heather Boersma $500 for filing a brief with multiple fabricated cases and unrelated citations. Critically, she had been warned about identical citation problems in a separate simultaneous appeal — and took no steps to ensure the brief in this ca
In one of the most egregious AI hallucination cases on record, an Oregon federal court dismissed plaintiffs’ claims with prejudice and imposed monetary sanctions after their attorneys filed three briefs containing citations to 15 non-existent cases and fabricated quotations falsely attributed to eig
A pro se maintenance technician alleging sexual harassment and retaliation by Sherwin-Williams filed a prolific docket of motions, with the court noting potential AI-assisted research errors. Several Title VII claims were dismissed while others survive pending amendment, illustrating how AI use by u
An applicant before Ontario’s Human Rights Tribunal cited a case that doesn’t exist in a procedural motion, with the adjudicator concluding this represented use of AI to generate fake case law. The tribunal dismissed the procedural request and ordered the applicant to provide digital copies of all f
A pro se plaintiff in New York cited AI-generated cases to support a quiet title action; the Supreme Court of Dutchess County dismissed the action, warning that fabricated AI citations undermine judicial integrity and waste court resources.
Pro se attorney Harry Thomasson filed an opposition brief containing fictitious AI-generated case citations in a New York federal case, then blamed a computer virus for the hallucinations. Judge Wicks rejected the defence, imposed a $1,500 sanction, and declined a bar referral — setting clear parame
A Australia court addressed the use of AI tool in legal proceedings in Application by Pennisi 2026 FWC 352 5 February 2026, examining whether AI-generated content in court submissions met professional standards. The decision adds to the growing body of case law holding lawyers accountable for unverified AI-generated citations and arguments.
A USA court addressed the use of AI tool in legal proceedings in Holmes v. Texas, examining whether AI-generated content in court submissions met professional standards. The decision adds to the growing body of case law holding lawyers accountable for unverified AI-generated citations and arguments.