Erik Arthur Otteson v. JPMorgan Chase Bank NA
D. Arizona · Jul 17, 2026
What happened in this matter?
The court issued a warning to a pro se litigant after identifying fabricated case law citations and quotations in his filings, which the court attributed to the likely use of generative AI. The court explicitly cautioned the plaintiff that future filings containing such fabrications could result in sanctions.
- Why the court cared
- The court reasoned that regardless of whether the plaintiff used AI or simply imagined the cases, filing documents with fabricated citations causes confusion and unnecessary work for the court and opposing parties. The court cited the duty of all litigants to read everything cited in a court filing.
- Why it matters now
- This case illustrates judicial intolerance for AI-generated hallucinations in pro se filings. It reinforces the expectation that all litigants, regardless of representation status, must verify the accuracy of every citation and quotation presented to the court.
Why this matter is tracked
In a breach of contract action against JPMorgan Chase Bank, the pro se plaintiff submitted filings containing fabricated case law citations and quotations. Specifically, the plaintiff attributed the phrase 'refuse[s] to articulate its reasons' to the Arizona Supreme Court decision in Wells Fargo Bank v. Arizona Laborers, Teamsters & Cement Masons Local No. 395 Pension Tr. Fund, 38 P.3d 12 (Ariz. 2002), where that language does not appear. The District Court for the District of Arizona noted that the incorrect citations likely resulted from the use of generative AI. The Court issued a formal warning to the plaintiff regarding the risks of overreliance on generative AI and the necessity of verifying all cited materials, noting that future filings containing fabricated citations may subject the plaintiff to sanctions.
This case illustrates judicial intolerance for AI-generated hallucinations in pro se filings. It reinforces the expectation that all litigants, regardless of representation status, must verify the accuracy of every citation and quotation presented to the court.
Record details
What the record establishes about AI use
The court stated the incorrect citations likely resulted from the use of artificial intelligence.
The court granted the defendant's motion to dismiss the complaint with leave to amend, while simultaneously issuing a warning regarding the plaintiff's use of AI-generated fabricated citations.
Correction behavior is not separately verified in the current record.
Tracked discrepancy record
1 citation, quotation, or authority issues are recorded in the source dataset.
- False Quotes: Case Law | Plaintiff attributed the phrase 'refuse[s] to articulate its reasons' to Wells Fargo v. Arizona Laborers, but that language does not appear in that opinion; the Court characterized this as likely an AI hallucination.
Questions this record answers
- What happened in Erik Arthur Otteson v. JPMorgan Chase Bank NA?
- The court issued a warning to a pro se litigant after identifying fabricated case law citations and quotations in his filings, which the court attributed to the likely use of generative AI. The court explicitly cautioned the plaintiff that future filings containing such fabrications could result in sanctions.
- Why does Erik Arthur Otteson v. JPMorgan Chase Bank NA matter for legal AI risk?
- This case illustrates judicial intolerance for AI-generated hallucinations in pro se filings. It reinforces the expectation that all litigants, regardless of representation status, must verify the accuracy of every citation and quotation presented to the court.
- What does the public record establish about Erik Arthur Otteson v. JPMorgan Chase Bank NA?
- 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 Erik Arthur Otteson v. JPMorgan Chase Bank NA 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.