Legal integrity
Incidents Harmed By
Incident 11456 Report
MyPillow Defense Lawyers in Coomer v. Lindell Reportedly Sanctioned for Filing Court Document Allegedly Containing AI-Generated Legal Citations
2025-02-25
In February 2025, lawyers Christopher I. Kachouroff and Jennifer T. DeMaster, representing Mike Lindell, reportedly used generative AI to draft a court brief that contained nearly 30 defective or fabricated citations. The error-filled filing violated federal court rules requiring factual and legal accuracy. The judge fined both lawyers $3,000 each, citing either the improper use of AI or gross carelessness as the cause of the misleading legal content.
MoreIncident 11384 Report
South African Legal Team Reportedly Relied on Unverified ChatGPT Case Law in Johannesburg Body Corporate Defamation Matter
2023-03-01
In a defamation case at the Johannesburg Regional Court, Rodrigues Blignaut Attorneys, representing plaintiff Michelle Parker, reportedly relied on purportedly non-existent legal judgments generated by ChatGPT to help argue their case. Magistrate Arvin Chaitram reportedly found the case names and citations were fictitious, causing a two-month delay. The court issued a punitive costs order and rebuked the plaintiff's legal team for uncritically accepting AI-generated research.
MoreIncident 10992 Report
Factum in Ko v. Li Allegedly Contains AI-Generated Case Law Citations
2025-04-25
In Ko v. Li, 2025 ONSC 2766, the Ontario Superior Court of Justice identified multiple inaccurate or nonexistent case citations in a factum submitted by counsel for the applicant. Justice FL Myers questioned whether generative AI was used in drafting the document, noting the cited cases were either irrelevant, misrepresented, or did not exist. The court ordered the lawyer to show cause why she should not be cited for contempt, citing duties of accuracy and technological competence.
MoreIncident 10271 Report
Norwegian Supreme Court Receives Legal Filing with Fabricated Citations Allegedly Generated by AI Tool
2025-04-10
In early 2025, Norway’s Supreme Court (Høyesterett) received a legal filing containing hallucinated legal citations and quotes, allegedly inserted by an attorney using an AI tool without verification. The fabricated sources were detected during standard review. While no sanctions were issued, the Court updated its guidance to lawyers, warning that AI use does not exempt them from professional responsibility.
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Judicial integrity
Incidents Harmed By
- Incident 11456 Reports
MyPillow Defense Lawyers in Coomer v. Lindell Reportedly Sanctioned for Filing Court Document Allegedly Containing AI-Generated Legal Citations
- Incident 11384 Reports
South African Legal Team Reportedly Relied on Unverified ChatGPT Case Law in Johannesburg Body Corporate Defamation Matter
Epistemic integrity
Incidents Harmed By
- Incident 11456 Reports
MyPillow Defense Lawyers in Coomer v. Lindell Reportedly Sanctioned for Filing Court Document Allegedly Containing AI-Generated Legal Citations
- Incident 11384 Reports
South African Legal Team Reportedly Relied on Unverified ChatGPT Case Law in Johannesburg Body Corporate Defamation Matter