Harvey

Incidents involved as Developer

Incident 17283 Report
Law Firm Shapiro Arato Bach Reportedly Filed Fictitious Case Citation and Misattributed Quotations Using Harvey's Legal AI Platform in New York Federal Court

2026-09-22

Law firm Shapiro Arato Bach reportedly acknowledged that unchecked use of Harvey, a legal AI platform, produced a fictitious case citation and misattributed quotations in a brief filed in federal court in New York. The court required an explanation and disclosure of the AI tool. The judge declined sanctions, and the firm apologized and said it was adding safeguards.

Incidents implicated systems

Incident 17283 Report
Law Firm Shapiro Arato Bach Reportedly Filed Fictitious Case Citation and Misattributed Quotations Using Harvey's Legal AI Platform in New York Federal Court

2026-09-22

Law firm Shapiro Arato Bach reportedly acknowledged that unchecked use of Harvey, a legal AI platform, produced a fictitious case citation and misattributed quotations in a brief filed in federal court in New York. The court required an explanation and disclosure of the AI tool. The judge declined sanctions, and the firm apologized and said it was adding safeguards.

Related Entities

Shapiro Arato Bach LLP

Incidents involved as Deployer

Lawyers

Incidents involved as Deployer

Law firms

Incidents involved as Deployer

AI-assisted legal drafting system developers

Incidents involved as Developer

Large language model developers

Incidents involved as Developer

United States District Court for the Southern District of New York

Incidents Harmed By

Judicial integrity

Incidents Harmed By

Courts

Incidents Harmed By

Enterprise AI systems

Incidents implicated systems

AI-assisted legal drafting systems

Incidents implicated systems

Large language models

Incidents implicated systems