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Sanctions — Week of 2025-05-12

12 AI-hallucination sanctions decided between 2025-05-12 and 2025-05-18 (ISO week 2025-W20). 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
12
With monetary penalty
6 of 12
Courts
8
ISO week
2025-W20

Outcomes this week

  • Application For Extension Of Time Refused; Appeal Struck Out As Abuse Of Process; Indemnity Costs Of £24,727.20 Ordered; Permission To Appeal Denied1
  • Case Dismissed, In Part As A Sanction For Fabrication Of Legal Authorities1
  • Case Summarily Dismissed; Counsel Referred To The Bar Association; Claimant Ordered To Pay Double The Costs1
  • General Civil Restraint Order (gcro) Granted For 3 Years; Case Referred To Attorney General; Costs Awarded To Applicants.1
  • Monetary Sanction Against Counsel Personally; No Disciplinary Referral1
  • Motion Dismissed, And Plaintiff Ordered To Refile It Without Fake Citations.1
  • No Formal Sanction; Request By Court For Explanation; Partial Costs Awarded Against The Defendant1
  • No Immediate Sanction Imposed; The Matter Was Referred To The Legal Department Of The Court Administration For Review And Potential Action, Including Referral To The Ethics Committee Of The Israel Bar Association1
  • No Sanction Imposed; Court Reminded Plaintiff Of Rule 11 Obligations1
  • Reclamação Found Manifestly Unfounded; Bad Faith And Monetary Sanction (double Court Costs); Oab And Oab/ba To Be Notified1
  • Request Dismissed On The Merits, Monetary Sanction1
  • Warning1

AI tool implicated

  • Implied5
  • Unidentified3
  • Google Search (Allegedly)1
  • Implied use of MobiOffice's AI Assistant1
  • MobiOffice1
  • Westlaw's AI tools, GPT4.5 Deep Research (Pro)1

This week’s read-across

12 rulings landed on the docket between 2025-05-12 and 2025-05-18. The most common recorded outcome this week was Application For Extension Of Time Refused; Appeal Struck Out As Abuse Of Process; Indemnity Costs Of £24,727.20 Ordered; Permission To Appeal Denied (1 of 12). Of the 12 rulings, 6 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 2025-05-12

USA v. Burke

M.D. Florida · Decided 2025-05-15 · Motion dismissed, and plaintiff ordered to refile it without fake citations. · AI tool: Westlaw's AI tools, GPT4.5 Deep Research (Pro).

Read the full teardown →

Fox v. Assum

Israel · Decided 2025-05-14 · No formal sanction; request by court for explanation; partial costs awarded against the defendant · Penalty: 1200 ILS · AI tool: Unidentified.

Read the full teardown →

Case No. 72079-11-24

Israel · Decided 2025-05-12 · No immediate sanction imposed; the matter was referred to the Legal Department of the Court Administration for review and potential action, including referral to the Ethics Committee of the Israel Bar Association · AI tool: Unidentified.

Read the full teardown →

Courts represented this week

Nearby weeks

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