HomeCasesHeriberto Perez-Castillo v. Todd W. Blanche

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Corpus matter record

Heriberto Perez-Castillo v. Todd W. Blanche

7th Cir. CA · Jun 1, 2026

/ federalEditorial impact: highfake citationsfabricated quotesmisrepresented authoritybar referral

Direct answer

What happened in this matter?

Fabricated: Case Law | Approximately 24 unattributable or outright fabricated quotations in the opening brief that could not be traced to the cited opinions. Outcome: Monetary Sanction; Admonishment; Bar Referral.

Why the court cared: The record concerns whether authorities presented to the decision-maker existed and could be verified. The tracked outcome is Monetary Sanction; Admonishment; Bar Referral; the linked source controls the precise reasoning.
Why it matters now: This matter connects fake citations and fabricated quotes involving ChatGPT with Monetary Sanction; Admonishment; Bar Referral in 7th Cir. CA, making it a concrete reference point for verification, supervision, and response controls.

Why this matter is tracked

Operational lesson

This matter connects fake citations and fabricated quotes involving ChatGPT with Monetary Sanction; Admonishment; Bar Referral in 7th Cir. CA, making it a concrete reference point for verification, supervision, and response controls.

Record details

Court7th Cir. CA

Jurisdictionfederal

Circuit7th Circuit

DateJun 1, 2026

AI toolChatGPT

Party typeLawyer

OutcomeMonetary Sanction; Admonishment; Bar Referral

Known amount$4,997

Professional sanctionYes

Attribution boundary

What the record establishes about AI use

reported

ChatGPT is recorded in the source dataset; confirm the basis in the linked document.

Procedural posture

Monetary Sanction; Admonishment; Bar Referral

Correction behavior

Correction behavior is not separately verified in the current record.

Tracked discrepancy record

3 citation, quotation, or authority issues are recorded in the source dataset.

Fabricated: Case Law | Approximately 24 unattributable or outright fabricated quotations in the opening brief that could not be traced to the cited opinions.
Misrepresented: Case Law | At least seven cases in the brief were mislabeled as Seventh Circuit precedent when they were opinions from other circuits or otherwise unrelated.
Misrepresented: Exhibits & Submissions | False factual assertions about the record — e.g., claiming 'credited testimony' that petitioner’s U.S. citizen children were 'deeply integrated into local schools' though all children are over 25 and out of school.

Questions this record answers

What happened in Heriberto Perez-Castillo v. Todd W. Blanche?: Fabricated: Case Law | Approximately 24 unattributable or outright fabricated quotations in the opening brief that could not be traced to the cited opinions. Outcome: Monetary Sanction; Admonishment; Bar Referral.
Why does Heriberto Perez-Castillo v. Todd W. Blanche matter for legal AI risk?: This matter connects fake citations and fabricated quotes involving ChatGPT with Monetary Sanction; Admonishment; Bar Referral in 7th Cir. CA, making it a concrete reference point for verification, supervision, and response controls.
What does the public record establish about Heriberto Perez-Castillo v. Todd W. Blanche?: 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 Heriberto Perez-Castillo v. Todd W. Blanche 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.

Nikko D’Ambrosio v. Meta Platforms Inc.7th Cir. CA · May 15, 2026same court · fake citations + fabricated quotes Danuta Dec v. Homeland Security7th Cir. CA · Mar 30, 2026same court · fake citations + fabricated quotes Patterson v. Nuvision Credit UnionCA California (4d) · Jul 2, 2026fake citations + fabricated quotes P-Three Development, LLC v. Therm Flo, Inc.CA Illinois · Jun 30, 2026fake citations + fabricated quotes Joyce Barber v. Lawrence J. Morawa, MDCA Michigan · Jun 17, 2026fake citations + fabricated quotes Olutosin Ajakaiye v. Omowunmi H. OladipupoCA Maryland · Jun 16, 2026fake citations + fabricated quotes

Linked evidence record

Damien Charlotin case archive

Publisher document archive
The recorded document is hosted in the upstream publisher archive.

Open recorded source

Publication statusevidence baseline passed

Published by AI Vortex · Manu Ayala
Page updated Jul 27, 2026

Source host classified Attribution boundary stated Limitations disclosed

Corpus checked Jul 23, 2026; latest tracked decision Jul 21, 2026. AI Vortex summarizes public records and does not replace the court document or legal research service.

Use this record

Open case brief Cases from this court

Evidence boundary

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.

Read methodology

Why this matter is tracked

Operational lesson

Tracked discrepancy record

3 citation, quotation, or authority issues are recorded in the source dataset.

Fabricated: Case Law | Approximately 24 unattributable or outright fabricated quotations in the opening brief that could not be traced to the cited opinions.

Misrepresented: Case Law | At least seven cases in the brief were mislabeled as Seventh Circuit precedent when they were opinions from other circuits or otherwise unrelated.

Misrepresented: Exhibits & Submissions | False factual assertions about the record — e.g., claiming 'credited testimony' that petitioner’s U.S. citizen children were 'deeply integrated into local schools' though all children are over 25 and out of school.

Questions this record answers

What happened in Heriberto Perez-Castillo v. Todd W. Blanche?

Why does Heriberto Perez-Castillo v. Todd W. Blanche matter for legal AI risk?

What does the public record establish about Heriberto Perez-Castillo v. Todd W. Blanche?

Which source supports this Heriberto Perez-Castillo v. Todd W. Blanche 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.