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Entities

Legal clients

Incidents Harmed By

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

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.

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Incident 15721 Report
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.

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Related Entities
Other entities that are related to the same incident. For example, if the developer of an incident is this entity but the deployer is another entity, they are marked as related entities.
 

Entity

Steven N. Howe

Incidents involved as Deployer
  • Incident 1572
    1 Report

    Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris

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Entity

Legal professionals

Incidents involved as Deployer
  • Incident 1682
    2 Reports

    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 1572
    1 Report

    Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris

More
Entity

Law firms

Incidents involved as Deployer
  • Incident 1572
    1 Report

    Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris

More
Entity

Thomson Reuters

Incidents involved as Developer
  • Incident 1572
    1 Report

    Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris

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Entity

Large language model developers

Incidents involved as Developer
  • Incident 1572
    1 Report

    Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris

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Entity

AI research tool developers

Incidents involved as Developer
  • Incident 1572
    1 Report

    Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris

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Entity

United States Court of Appeals for the Sixth Circuit

Incidents Harmed By
  • Incident 1572
    1 Report

    Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris

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Entity

Judicial integrity

Incidents Harmed By
  • Incident 1682
    2 Reports

    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 1572
    1 Report

    Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris

More
Entity

John C. Farris

Incidents Harmed By
  • Incident 1572
    1 Report

    Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris

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Entity

Epistemic integrity

Incidents Harmed By
  • Incident 1682
    2 Reports

    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 1572
    1 Report

    Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris

More
Entity

Westlaw CoCounsel

Incidents implicated systems
  • Incident 1572
    1 Report

    Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris

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Entity

AI-assisted legal research systems

Incidents implicated systems
  • Incident 1682
    2 Reports

    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 1572
    1 Report

    Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris

More
Entity

Large language models

Incidents implicated systems
  • Incident 1572
    1 Report

    Westlaw CoCounsel Reportedly Generated False Legal Quotations in United States v. Farris

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Entity

Loishirl W. Hall

Incidents involved as Deployer
  • Incident 1682
    2 Reports

    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

More
Entity

Lawyers

Incidents involved as Deployer
  • Incident 1682
    2 Reports

    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

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Entity

Google

Incidents involved as Developer
  • Incident 1682
    2 Reports

    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

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Entity

District of Columbia Court of Appeals

Incidents Harmed By
  • Incident 1682
    2 Reports

    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

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Entity

Courts

Incidents Harmed By
  • Incident 1682
    2 Reports

    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

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Entity

Parties to legal proceedings

Incidents Harmed By
  • Incident 1682
    2 Reports

    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

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Entity

Google Search

Incidents implicated systems
  • Incident 1682
    2 Reports

    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

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