Dehghani v. Castro
D. New Mexico · Apr 2, 2025
What happened in this matter?
The court sanctioned counsel for violating Rule 11(b)(2) by submitting a brief containing AI-hallucinated case law. Counsel failed to verify the existence or accuracy of citations provided by a freelance attorney. Sanctions included a $1,500 fine, mandatory CLE, and reporting requirements to multiple state bar disciplinary boards.
- Why the court cared
- The court emphasized that counsel’s failure to verify cited cases, coupled with blind reliance on subcontracted work, constituted a violation of Rule 11(b)(2). The court analogized to other AI-sanctions cases. While the fine was modest, the court imposed significant procedural obligations to ensure deterrence
- Why it matters now
- Outsourced drafting is still your signature; verify every cite from freelance work before filing or face dual-state bar referrals.
Why this matter is tracked
Fabricated: Case Law | Brief cited a non-existent case; Court and Respondent could not locate it, and counsel admitted it does not exist. Outcome: Monetary sanction; required CLE on legal ethics and AI; mandatory self-reporting to NM and TX state bars; report of subcontractor to NY state bar; required notification to LAWCLERK.
AI Use
Counsel hired a freelance attorney through LAWCLERK to prepare a filing. He made minimal edits and admitted not verifying any of the case law before signing. The filing included multiple fabricated cases and misquoted others. The court concluded these were AI hallucinations, likely produced by ChatGPT or similar.
Hallucination Details
Examples of non-existent cases cited include:Moncada v. Ruiz, Vega-Mendoza v. Homeland Security, Morales v. ICE Field Office Director, Meza v. United States Attorney General, Hernandez v. Sessions, and Ramirez v. DHS.All were either entirely fictitious or misquoted real decisions.
Ruling/Sanction
The Court sanctioned Counsel by:Ordering a $1,500 fineRequiring a 1-hour CLE on AI/legal ethicsOrdering him to self-report to the New Mexico and Texas barsOrdering him to report the freelance lawyer to the New York barRequiring notification of LAWCLERKRequiring proof of compliance by May 15, 2025
Key Judicial Reasoning
The court emphasized that counsel’s failure to verify cited cases, coupled with blind reliance on subcontracted work, constituted a violation of Rule 11(b)(2). The court analogized to other AI-sanctions cases. While the fine was modest, the court imposed significant procedural obligations to ensure deterrence.
Outsourced drafting is still your signature; verify every cite from freelance work before filing or face dual-state bar referrals.
Record details
What the record establishes about AI use
The court identified the fake cases as likely the handiwork of ChatGPT or similar AI.
Following a show cause hearing, the court issued a Memorandum Opinion and Order on Sanctions.
Correction behavior is not separately verified in the current record.
Tracked discrepancy record
7 citation, quotation, or authority issues are recorded in the source dataset.
- Fabricated: Case Law | Brief cited a non-existent case; Court and Respondent could not locate it, and counsel admitted it does not exist.
- Fabricated: Case Law | Brief cited a non-existent case; Court and Respondent could not locate it, and counsel admitted it does not exist.
- Fabricated: Case Law | Brief cited a non-existent case; Court and Respondent could not locate it, and counsel admitted it does not exist.
- Fabricated: Case Law | Brief cited a non-existent case; Court and Respondent could not locate it, and counsel admitted it does not exist.
- Fabricated: Case Law | Brief cited a non-existent case; Court and Respondent could not locate it, and counsel admitted it does not exist.
- Fabricated: Case Law | Brief cited a non-existent case; Court and Respondent could not locate it, and counsel admitted it does not exist.
- False Quotes: Case Law | Counsel admitted that thirteen other citations quoted language not from the cited cases and did not support the stated propositions.
Questions this record answers
- What happened in Dehghani v. Castro?
- The court sanctioned counsel for violating Rule 11(b)(2) by submitting a brief containing AI-hallucinated case law. Counsel failed to verify the existence or accuracy of citations provided by a freelance attorney. Sanctions included a $1,500 fine, mandatory CLE, and reporting requirements to multiple state bar disciplinary boards.
- Why does Dehghani v. Castro matter for legal AI risk?
- Outsourced drafting is still your signature; verify every cite from freelance work before filing or face dual-state bar referrals.
- What does the public record establish about Dehghani v. Castro?
- The record summarizes the outcome described in the linked public source. The recorded document is hosted in the upstream publisher archive. This page is not a substitute for the complete docket, subsequent history, or jurisdiction-specific advice.
- Which source supports this Dehghani v. Castro summary?
- The recorded source is Damien Charlotin case archive. It is classified as publisher document archive; review the linked material and subsequent docket history before relying on this summary.
Related matters
Related by court, jurisdiction, tool, or classified failure pattern. Similarity does not imply the same facts or outcome.