An v. Archblock, Inc. (Del. Ch. 2025)
other
In the Delaware Court of Chancery, a self-represented litigant's motion to compel relied on false citations produced by generative AI. Vice Chancellor Lori Will denied the motion and issued an order requiring litigants to certify their use of generative AI in future filings, warning that failure to comply may lead to sanctions.
- Date of decision/order
- 2025-04-04
- Court
- Delaware Court of Chancery
- Jurisdiction
- US-STATE
- AI tool
- generative AI (unspecified; court cited ChatGPT, Gemini, Copilot, CoCounsel as examples)
- Conduct
- A self-represented petitioner's motion to compel cited false and miscited legal authority attributable to his use of generative AI. Vice Chancellor Lori Will denied the motion and, addressing the fabricated citations, entered a standing order for the litigation.
- Consequence
- See outcome
Sources
Cite this incident
SafeLegalAI Global Legal AI Incident Tracker, "An v. Archblock, Inc. (Del. Ch. 2025)", safelegalai.com/tracker/an-v-archblock (accessed 2026-07-16). Data: CC BY 4.0.