October 18, 2026 (in 9 days): Tenth Circuit: comments close on 2027 rules, incl. proposed Rule 46.5(B)(4) generative-AI review →

Burlingame v. Argo Private Client Group, Ltd.

U.S. District Court, Northern District of Ohio · N.D. Ohio · Ohio bar guidance

Warning

Verified September 30, 2026

Citation
Burlingame v. ARGO Private Client Group, Ltd., No. 5:25-cv-02800, Report & Recommendation, ECF No. 88 (N.D. Ohio July 8, 2026) (Knapp, M.J.), recommendation to deny sanctions adopted, ECF No. 91 (N.D. Ohio July 29, 2026) (Adams, J.); transferred from No. 25-cv-1704 (JMF) (S.D.N.Y. Dec. 17, 2025)
Decided
July 8, 2026

Summary

The case began in the Southern District of New York. There, plaintiff's counsel for David Burlingame submitted opposition briefs that cited In re Refco Inc. Sec. Litig. for an unjust-enrichment proposition the decision does not address, cited Midlantic Nat'l Bank v. Havens, 1994 WL 760822, which Judge Jesse M. Furman noted does not appear to exist, and included quotations attributed to In re Vivendi Universal, S.A. Sec. Litig., 838 F.3d 223, 250 (2d Cir. 2016), and In re Parmalat Sec. Litig., 479 F. Supp. 2d 332, 339 (S.D.N.Y. 2007), that appear nowhere in those decisions. Judge Furman observed that the failings suggested another instance of a lawyer relying on artificial intelligence without checking for hallucinations. In a December 17, 2025 memorandum opinion and order, Judge Furman transferred the case to the Northern District of Ohio (No. 5:25-cv-02800), where the order is docketed as ECF No. 60, and left the citation problems to that court. The entry is dated to the transferee court's July 8, 2026 report and recommendation, which addresses them.

AI tool:
Unspecified generative AI
This case summary is informational only. Verify the underlying opinion or order against the primary source before relying on it in any filing or client matter.

What did the court warn about?

No sanctions imposed by Judge Furman. Because the case was being transferred to the Northern District of Ohio on venue grounds, the court expressly left the question of sanctions, and what action to take in response to the citation problems, to the transferee court. Judge Furman stated that, but for the transfer, he would have ordered plaintiff's counsel to show cause why sanctions should not be imposed. After transfer (N.D. Ohio No. 5:25-cv-02800), the magistrate judge's July 8, 2026 report and recommendation cautioned the plaintiff that, if the case were not dismissed, sanctions may be imposed under Rule 11 for "citations to non-existent cases and citations to existing cases for propositions that are not supported by the holdings" (ECF No. 88 at 14 n.6). On July 29, 2026, the district court denied the defendants' Rule 11 motion for failure to comply with the safe-harbor provision and dismissed the case without prejudice (ECF No. 91).

Why does Burlingame v. Argo Private Client Group, Ltd. matter for law firms using AI?

Burlingame illustrates how a court can flag suspected AI hallucinations without imposing sanctions when a procedural disposition, here a venue transfer, removes the case from the judge’s docket before a show-cause order issues. For managing partners, the case is a reminder that the risk record follows counsel: Judge Furman’s published findings about fabricated and mischaracterized authority remained on the record the transferee court inherited. That court cited them in July 2026 and cautioned the plaintiff, but it imposed no sanction: it denied the defendants’ Rule 11 motion for failure to follow the safe-harbor procedure and dismissed the case without prejudice.

Sources

Primary sources

Further reading

Source PDF is a Westlaw printout mirrored from the Damien Charlotin hallucination database. We are working to add the underlying court docket (PACER, CourtListener, or court website) as a second source.