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His Majesty the King in Right of British Columbia v Altman

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Case Information
Case name His Majesty the King in Right of the Province of British Columbia v. Altman[1]
Court U.S. District Court for the Northern District of California[1]
Docket 3:26-cv-10743[1]
Filed September 21, 2026[1]
Judge(s) Not identified in the sources reviewed.
Plaintiffs His Majesty the King in Right of the Province of British Columbia; Board of Education of School District No. 59 (Peace River South)[1]
Defendants Samuel Altman; OpenAI Foundation, OpenAI OpCo, LLC, OpenAI Holdings, LLC and OpenAI Group PBC[1]
Case type Civil product-liability and negligence action[1]
Claims / issues Failure to warn, negligent entrustment, aiding and abetting, negligent undertaking, design defect and strict product liability arising from the Tumbler Ridge shooting[1]
Status Complaint filed September 21, 2026; the plaintiffs seek damages and injunctive relief.[1]

His Majesty the King in Right of the Province of British Columbia v. Altman is a civil action brought by British Columbia and School District No. 59 against Sam Altman and four OpenAI entities. The plaintiffs allege that OpenAI failed to warn law enforcement after internal systems flagged chats associated with the person who later carried out the February 10, 2026 Tumbler Ridge school shooting. These are allegations in a complaint; the court has not found the defendants liable.[1]

Allegations and requested relief

The complaint alleges that an internal safety review in June 2025 identified a credible risk of harm and recommended referral to the Royal Canadian Mounted Police, but that OpenAI deactivated the account without notifying authorities. It alleges that the user later accessed ChatGPT through another account.[1]

The Province and school district seek recovery of extraordinary response, recovery and rebuilding costs. They also request injunctive relief concerning threat assessment, referral to law enforcement and safeguards against violent uses of ChatGPT.[1][2]

See September 22, 2026 digest coverage.

References