Zhang v Chen, 2024 BCSC 285
costs-order
The first reported Canadian case of AI-hallucinated citations: a Vancouver family lawyer cited two ChatGPT-invented cases in a notice of application, was ordered to pay costs personally, had her other files reviewed, and faced a Law Society of British Columbia investigation.
- Date of decision/order
- 2024-02-20
- Court
- Supreme Court of British Columbia
- Jurisdiction
- CANADA
- AI tool
- ChatGPT
- Conduct
- Counsel in a family-law matter cited two non-existent cases generated by ChatGPT in a notice of application; the fabrications were discovered by opposing counsel.
- Consequence
- See outcome
- Regulatory outcome
- Law Society of British Columbia: LSBC investigation into the lawyer's conduct followed the judgment; the court ordered costs against the lawyer personally and a review of her other court files.
Sources
Cite this incident
SafeLegalAI Global Legal AI Incident Tracker, "Zhang v Chen, 2024 BCSC 285", safelegalai.com/tracker/zhang-v-chen (accessed 2026-07-16). Data: CC BY 4.0.