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Sanctions — Week of 2025-05-19

5 AI-hallucination sanctions decided between 2025-05-19 and 2025-05-25 (ISO week 2025-W21). Every ruling below is sourced from the public docket — case name, decided date, outcome, AI tool implicated (when named), and any monetary penalty language pulled verbatim from the ruling.

Week at a glance

Total rulings
5
With monetary penalty
2 of 5
Courts
5
ISO week
2025-W21

Outcomes this week

  • Joint And Several Liability For Plaintiff’s Attorneys' Fees And Costs Incurred In Addressing The Hallucinated Citation; Cle Requirement On Ai Ethics; Monetary Fines1
  • Motion Denied1
  • Warning1

AI tool implicated

  • Implied3
  • ChatGPT1
  • Unidentified1

This week’s read-across

5 rulings landed on the docket between 2025-05-19 and 2025-05-25. The most common recorded outcome this week was Joint And Several Liability For Plaintiff’s Attorneys' Fees And Costs Incurred In Addressing The Hallucinated Citation; Cle Requirement On Ai Ethics; Monetary Fines (1 of 5). Of the 5 rulings, 2 carried an explicit monetary penalty in the ruling text.

Implied was the most-implicated AI tool this week (courts rarely require the attorney to name the tool by product name on the record; “Implied” means the ruling described an AI-generated brief without a product name).

The pattern each week is remarkably stable: existence failures (Layer 1) dominate. Attorneys file briefs containing citations that do not exist in any primary source — usually because a general-purpose LLM fabricated the citation and no deterministic pre-filing check caught it. Every ruling below is a preventable filing. See /verify for the pre-filing tool.

All rulings, week of 2025-05-19

Courts represented this week

Nearby weeks

← Prev: 2025-W20 (12)Next: 2025-W22 (10) →

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Informational only. Not legal advice. Data derived from public court records; corrections at /contact.