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Sanctions watch

Every incident where a lawyer got caught filing AI-fabricated citations. The Hall of Shame.

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2
Incidents tracked
1
Incidents in 2026
$0
In fines, where reported
0 of 2 report an amount

The curve

Incidents per month

Last 18 months of published incidents, by the date of the court's order.

Apr 2025 Sep 2026

Charting 1 of 2 incidents; the rest are undated or fall outside this window.

Blamed by name

ChatGPT 151 Claude 9 CoCounsel 8 Copilot 8 Gemini 8 Lexis+ AI 6 AI-assisted legal software 4 Westlaw Precision 4 ChatGPT-4o 2 ChatOn 2 Eve 2 Google AI 2 LEAP 2 Perplexity AI 2 AI Overviews 1 Archie 1 Centient AI 1 ChatGPT-4 1 CoCounsel, Westlaw Precision, Google Gem 1 Descrybe.ai 1 First Drafts 1 GPT-3.5 1 Ghostwriter Legal 1 Google Scholar 1 Grammarly 1 Grok 1 Irys 1 Legal Genius 1 LegalAI 1 MX2.law 1 OpenCase 1 Strongsuit 1 vLex Fastcase 1

Counts only incidents where the filing court or the reporting named the tool.

Hall of Shame

All Warned 1 Caught, not sanctioned 1

Showing 1–2 of 2 incidents involving ChatGPT-4o. Clear filters

Caught, not sanctioned ChatGPT-4o
A Stanford professor relied on ChatGPT-4o to draft his declaration, which cited two nonexistent sources and misattributed an author's name, and the court struck it.
Minnesota state challenge · MN
legalnursepdx.com ↗
The file →
  • A Stanford professor on the state's side in the Minnesota challenge was involved.
  • He used ChatGPT-4o to help draft a declaration with two nonexistent sources and a misattributed name.
  • The court struck the declaration after plaintiffs sought exclusion.
  • Minnesota state court in a challenge to the state deepfakes law.
  • The page says the state sought a do-over citing excusable neglect.
Warned ChatGPT-4o 2026-02-09
The court struck a Stanford professor's expert declaration in its entirety for fabricated citations, an order affirmed by the Eighth Circuit.
Kohls v. Ellison · Jeff Hancock · United States Court of Appeals for the Eighth Circuit · MN
“Rule 11 imposes a “personal, nondelegable responsibility” to ensure the accuracy of everything filed.”
aiforlawyersacademy.com ↗
The file →
  • Kohls v. Ellison
  • A Stanford professor submitted an expert declaration containing fabricated citations
  • The expert declaration was struck in its entirety
  • U.S. Court of Appeals for the Eighth Circuit
  • Affirmed February 9, 2026; established that counsel has a personal duty to validate expert filings
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