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Public trackerEvidence checked Jul 23, 2026 · Latest decision Jul 21, 2026Public incidents are risk signals, not usage-adjusted rates
Evidence-linked corpus record: this page is generated from the structured public record and has a publication-readiness score of 95/100. It passed the source, context, and standalone-summary checks used for public indexing; individual legal editorial review is not represented.
Gurpreet Kaur v. Captain Joel Desso
N.D. New York · Jul 9, 2025
NY / federalEditorial impact: highfabricated quotesimmigrationtrial
Direct answer
What happened in this matter?
False Quotes: Case Law | Brief claimed Thuraissigiam included a sentence limiting its holding and the quoted line; court confirmed the quote is nowhere in the decision. Outcome: Monetary and professional sanctions. Counsel confessed having Claude Sonnet 4 to draft a legal submission, which included fabricated quotations from legal authorities. Counsel said he was pressed by time.After holding that there is "no reason to distinguish between the submission of fabricated cases and the submission of fabricated quotations from real cases. In both postures, the attorney seeks to persuade the Court using legal authority that does not exist", the court held that Mr.…
- Why the court cared
- The record concerns whether quotations and pincites accurately matched the cited source. The tracked outcome is Monetary and professional sanctions; the linked source controls the precise reasoning.
- Why it matters now
- Fabricated quotes from real cases are treated the same as fake cases; verify every quotation against the opinion before signing Rule 11.
Why this matter is tracked
False Quotes: Case Law | Brief claimed Thuraissigiam included a sentence limiting its holding and the quoted line; court confirmed the quote is nowhere in the decision. Outcome: Monetary and professional sanctions. Counsel confessed having Claude Sonnet 4 to draft a legal submission, which included fabricated quotations from legal authorities. Counsel said he was pressed by time.After holding that there is "no reason to distinguish between the submission of fabricated cases and the submission of fabricated quotations from real cases. In both postures, the attorney seeks to persuade the Court using legal authority that does not exist", the court held that Mr. Desmarais had violated Rule 11 of the Federal Rules of Civil Procedure by failing to verify the accuracy of the AI-generated content. Counsel was found to have acted in subjective bad faith, as he was aware of the potential for AI to hallucinate legal citations and failed to take corrective action even after the government pointed out the errors.The court imposed a $1,000 monetary sanction and required Counsel to complete a CLE course on the ethical use of AI in legal practice and notify his client of the issue.
Operational lesson
Fabricated quotes from real cases are treated the same as fake cases; verify every quotation against the opinion before signing Rule 11.
Record details
New YorkSingle-state evidence scope
CourtN.D. New York
Jurisdictionfederal
Circuit2nd Circuit
DateJul 9, 2025
CL
AI toolClaude Sonnet 4
Party typeLawyer
OutcomeMonetary and professional sanctions
Known amount$1,000
Professional sanctionYes
Attribution boundary
What the record establishes about AI use
reported
Claude Sonnet 4 is recorded in the source dataset; confirm the basis in the linked document.
Procedural posture
Monetary and professional sanctions
Correction behavior
Correction behavior is not separately verified in the current record.
Tracked discrepancy record
4 citation, quotation, or authority issues are recorded in the source dataset.
- False Quotes: Case Law | Brief claimed Thuraissigiam included a sentence limiting its holding and the quoted line; court confirmed the quote is nowhere in the decision.
- False Quotes: Case Law | Brief quoted Landon as stating a due-process proposition; court stated the quotation does not exist in the case.
- False Quotes: Case Law | Brief asserted Reno contains a phrase about jurisdiction-stripping not barring challenges; court found the language is nowhere in Reno.
- False Quotes: Case Law | Brief cited Wong Wing for a broad constitutional proposition; court found the quoted language does not exist in Wong Wing.
Questions this record answers
- What happened in Gurpreet Kaur v. Captain Joel Desso?
- False Quotes: Case Law | Brief claimed Thuraissigiam included a sentence limiting its holding and the quoted line; court confirmed the quote is nowhere in the decision. Outcome: Monetary and professional sanctions. Counsel confessed having Claude Sonnet 4 to draft a legal submission, which included fabricated quotations from legal authorities. Counsel said he was pressed by time.After holding that there is "no reason to distinguish between the submission of fabricated cases and the submission of fabricated quotations from real cases. In both postures, the attorney seeks to persuade the Court using legal authority that does not exist", the court held that Mr.…
- Why does Gurpreet Kaur v. Captain Joel Desso matter for legal AI risk?
- Fabricated quotes from real cases are treated the same as fake cases; verify every quotation against the opinion before signing Rule 11.
- What does the public record establish about Gurpreet Kaur v. Captain Joel Desso?
- 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 Gurpreet Kaur v. Captain Joel Desso 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.