AI-assisted legal research systems
Incidents implicated systems
Incident 16583 Rapports
State Farm Defense Counsel Acknowledged AI-Assisted Filings in Meni-Siliga v. A's Contractor, Inc. Contained Fabricated Legal Authorities
2026-03-31
In Fa'alagilagi Meni-Siliga v. A's Contractor, Inc., et al., attorneys representing State Farm acknowledged that AI-assisted motions contained fabricated and otherwise inaccurate legal authorities. Attorney Jacquelene Robinson said she used the legal AI tool Irys and failed to verify some citations. Opposing counsel identified the errors, after which the firm apologized and filed corrected versions.
PlusIncident 16822 Rapports
D.C. Court of Appeals Struck Deutsche Bank National Trust Company Brief After Attorney Used Google Generative AI Search Tool and Filed Four Nonexistent Case Citations
2025-08-12
In Douglas v. Deutsche Bank National Trust Co., attorney Loishirl W. Hall acknowledged using Google's generative AI search tool to locate case authority and failing to verify citations before an appellate brief was filed. The D.C. Court of Appeals found four cited cases did not exist, said the filing misdirected the court and burdened judicial resources, struck Deutsche Bank's brief, and referred the matter for disciplinary review.
PlusIncident 15711 Rapport
California Immigration Attorneys Reportedly Sanctioned Over Briefs Containing Probable Hallucinations in LNU v. Blanche
2025-10-20
California immigration attorneys Mike Singh Sethi and William Rounds were reportedly sanctioned in LNU v. Blanche after Ninth Circuit filings included purportedly fabricated and materially inaccurate legal authorities. The court said unauthorized generative AI use by unlicensed brief writers was probable and found that the attorneys failed to verify the filings and repeatedly lacked candor about the errors' source.
PlusIncident 15721 Rapport
Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris
2025-10-21
In United States v. Farris, court-appointed attorney Steven N. Howe admitted using Westlaw CoCounsel to draft appellate briefs that reportedly included AI-generated false quotations and misleading descriptions of precedent. The filing disrupted Farris's appeal, leading the court to appoint new counsel and restart briefing, while Howe lost his compensation and faced possible disciplinary action.
PlusEntités liées
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Entités liées
Legal professionals
Incidents involved as Deployer
- Incident 16583 Report
State Farm Defense Counsel Acknowledged AI-Assisted Filings in Meni-Siliga v. A's Contractor, Inc. Contained Fabricated Legal Authorities
- Incident 16822 Report
D.C. Court of Appeals Struck Deutsche Bank National Trust Company Brief After Attorney Used Google Generative AI Search Tool and Filed Four Nonexistent Case Citations
Judicial integrity
Affecté par des incidents
- Incident 16583 Report
State Farm Defense Counsel Acknowledged AI-Assisted Filings in Meni-Siliga v. A's Contractor, Inc. Contained Fabricated Legal Authorities
- Incident 16822 Report
D.C. Court of Appeals Struck Deutsche Bank National Trust Company Brief After Attorney Used Google Generative AI Search Tool and Filed Four Nonexistent Case Citations
Epistemic integrity
Affecté par des incidents
- Incident 16583 Report
State Farm Defense Counsel Acknowledged AI-Assisted Filings in Meni-Siliga v. A's Contractor, Inc. Contained Fabricated Legal Authorities
- Incident 16822 Report
D.C. Court of Appeals Struck Deutsche Bank National Trust Company Brief After Attorney Used Google Generative AI Search Tool and Filed Four Nonexistent Case Citations
Lawyers
Incidents involved as Deployer
- Incident 16583 Report
State Farm Defense Counsel Acknowledged AI-Assisted Filings in Meni-Siliga v. A's Contractor, Inc. Contained Fabricated Legal Authorities
- Incident 16822 Report
D.C. Court of Appeals Struck Deutsche Bank National Trust Company Brief After Attorney Used Google Generative AI Search Tool and Filed Four Nonexistent Case Citations
Courts
Affecté par des incidents
- Incident 16822 Report
D.C. Court of Appeals Struck Deutsche Bank National Trust Company Brief After Attorney Used Google Generative AI Search Tool and Filed Four Nonexistent Case Citations
- Incident 16031 Report
Crown Prosecution Service Reportedly Filed Purportedly AI-Generated False Citations in Two Extradition Appeals
Parties to legal proceedings
Affecté par des incidents
- Incident 16583 Report
State Farm Defense Counsel Acknowledged AI-Assisted Filings in Meni-Siliga v. A's Contractor, Inc. Contained Fabricated Legal Authorities
- Incident 16822 Report
D.C. Court of Appeals Struck Deutsche Bank National Trust Company Brief After Attorney Used Google Generative AI Search Tool and Filed Four Nonexistent Case Citations