Sullivan & Cromwell Issues Apology Over AI Errors in Bankruptcy Filings

Published on April 21, 2026

One of Wall Street’s leading law firms, Sullivan & Cromwell, has found itself embroiled in controversy. The firm recently submitted a court motion to a bankruptcy judge that included flawed citations generated . This revelation marks a significant challenge for the legal profession, where accuracy is paramount.

The mishap became public through a filing in the US Bankruptcy Court for the Southern District of New York. Sullivan & Cromwell acknowledged that the AI tools used for preparing legal documents produced inaccurate information. The firm attributed the errors to what they described as “hallucinations” of the technology.

In response, the law firm formally apologized to the court and the presiding judge. They emphasized their commitment to maintaining high standards in legal practice. This incident has raised concerns about the reliability of AI in critical legal processes and the potential ramifications for other firms using similar technologies.

The fallout from this incident could reshape how law firms approach the integration of AI into their workflows. It underscores the necessity for meticulous oversight and validation in legal applications of technology. Legal experts warn that reliance on unverified AI outputs might jeopardize the integrity of legal proceedings.

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