Lagac v. Capital One, N.A.
C.D. California · May 22, 2026
- Jurisdiction
- federal
- Court
- C.D. California
- Record ID
- lagac-v-capital-one-n-a-2026-05-22
- Observed outcome
- The court dismissed the federal claims with prejudice, remanded the case to state court, and issued a formal warning to the plaintiff regarding the use of fabricated citations.
- Known monetary consequence
- Not recorded
Why this matter warrants attention
The court issued a formal warning to a pro se litigant for including fabricated case law and nonexistent quotations in their opposition brief. The court clarified that pro se status does not excuse a litigant from the duty to verify the validity of all cited legal authorities under Federal Rule of Civil Procedure 11(b).
The court reasoned that while it grants some leeway to pro se litigants, it cannot condone the citation of false or nonexistent authorities. It cited Rule 11(b) and Ninth Circuit precedent to affirm that pro se litigants are subject to the same procedural requirements as represented parties regarding the validity of sources.
This case illustrates judicial intolerance for AI-generated or otherwise fabricated legal research in pro se filings. It reinforces that courts will enforce Rule 11(b) verification standards regardless of a party's representation status, serving as a reminder of the risks associated with unverified research.
Failure modes and consequences
- Pro Se
- Fake Citations
- Fabricated Quotes
- Contract
- Trial
- Warning
- AI attribution
- Reported
- Recorded tool
- AI (implied, unspecified)
- Known monetary consequence
- Not recorded
- Procedural posture
- The court granted the defendant's motion to dismiss federal claims with prejudice and remanded the remaining state law claims to state court.
Damien Charlotin case archive
Publisher document archive. The recorded document is hosted in the upstream publisher archive.
Open underlying sourceA recorded source link is not a substitute for checking the underlying order, filing, opinion, or disciplinary record.
What this record does—and does not—establish
The source does not name a tool; AI usage is inferred from the nature of the fabricated citations.
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.
Latest evidence review: Primary Document Verified (high confidence).
Controls suggested by the public record
- Verify the existence, citation, court, and precedential status of every authority before filing.
- Compare every quoted passage and pincite directly with the underlying opinion or filing.
- Apply the same source-checking controls to AI (implied, unspecified) output as to any other research input.
- Read the linked source and subsequent docket history before relying on this record for legal work.