Incident Tracker / United States (state)
Kleyman Law Group, P.C. v. Kaloidis, Index No. 502644/2025 (N.Y. Sup. Ct., Kings County)
·Supreme Court of the State of New York, Kings County·US-STATESanctions
In a fee suit against a client's estate, the Supreme Court of New York, Kings County, found that plaintiff-lawyer Alex Kleyman had cited 23 nonexistent decisions and misrepresented 83 real ones across 19 filings drafted with Claude and other AI tools. After a sanctions hearing the court imposed about USD 46,500 and referred him to the grievance committee.
- Court
- Supreme Court of the State of New York, Kings County
- Date
- 2026-08-04
- Who used the AI
- Lawyer
- AI tool
- Claude and other generative AI platforms (per hearing testimony)
- Conduct
- Attorney Alex I. Kleyman, suing a former client's estate for about USD 1.246 million in fees, filed 19 submissions containing 23 fictitious decisions, fabricated quotations and materially misstated holdings of at least 83 real decisions, and did not verify them even after opposing counsel challenged them.
- Outcome
- Sanctions
- Penalty
- US$46,511
- Regulatory outcome
- Attorney Grievance Committee (New York): The order refers Alex I. Kleyman to the State of New York Grievance Committee for the Second, Eleventh and Thirteenth Judicial Districts, the court finding a substantial likelihood of substantial violations of the Rules of Professional Conduct. The USD 46,511 comprises a USD 10,000 sanction payable to the Lawyers' Fund for Client Protection and USD 36,511.35 in attorneys' fees and costs (order read 3 Sep 2026). No Grievance Committee disposition on record. (2026-08-04)
- Status
- Verified against listed sources
- Last checked
- 2026-09-03
Primary sources for this incident
Related regulation records for this incident
No related regulation record has been linked to this incident yet.
Cite this record
SafeLegalAI Global Legal AI Incident Tracker, “Kleyman Law Group, P.C. v. Kaloidis, Index No. 502644/2025 (N.Y. Sup. Ct., Kings County)”, safelegalai.com/tracker/kleyman-law-group-v-kaloidis (accessed 2026-09-04). Data: CC BY 4.0.