Anthony Wallace v. PennyMac Loan Services, LLC, et al.
D. Nevada · Mar 26, 2026
What happened in this matter?
The court issued a formal warning to the pro se plaintiff regarding his duty under FRCP 11(b)(2) to verify all legal citations. The court found that the plaintiff submitted multiple fabricated cases and false quotations, noting that such errors are frequently associated with the use of generative AI tools.
- Why the court cared
- The court reasoned that citing fake authority violates FRCP 11(b)(2), wastes judicial and party resources, and harms the reputation of the courts and parties involved. It noted that generative AI often invents precedent and that such tools do not excuse a party's failure to personally verify the veracity of every citation.
- Why it matters now
- Docket-number mismatches with case names are a deterministic hallucination signature — always cross-check PACER.
Why this matter is tracked
In a mortgage foreclosure dispute, the court addressed the plaintiff's reliance on fabricated legal authorities. The defendants identified multiple non-existent cases and false quotations in the plaintiff's filings, which the court confirmed were not associated with the cited docket numbers or did not contain the attributed language. The court noted that such fabricated citations are often the result of generative AI usage and emphasized the mandatory duty of parties to personally verify all legal authorities. While the court granted the plaintiff leave to amend his complaint in part, it issued a formal warning regarding the requirements of FRCP 11(b)(2), cautioning that future reliance on fake authority may result in monetary or non-monetary sanctions.
Docket-number mismatches with case names are a deterministic hallucination signature — always cross-check PACER.
Record details
What the record establishes about AI use
The court identified the use of generative AI software as the likely source of the fake citations.
Order on motions to amend, dismiss, strike, and for injunctive relief, following the defendants' motion for leave to file supplemental authority regarding the plaintiff's use of fake citations.
Correction behavior is not separately verified in the current record.
Tracked discrepancy record
7 citation, quotation, or authority issues are recorded in the source dataset.
- Fabricated: Case Law | Court found the cited 'Shapiro v JPMorgan Chase & Co., No. 1:13-cv-09764-PGG, 2014 WL 1224546' does not correspond to any case; SDNY docket shows the number not associated with that name.
- Fabricated: Case Law | Court found 'Bally v. Home Loan Servicing, LP, No. 2:09-cv-02445-MCE-KJM, 2011 WL 867568' does not bring up a case by that name and the case number is assigned to a different matter.
- Fabricated: Case Law | Court found 'Pasillas v. HSBC Bank USA, N.A., No. 2:12-cv-01107, 2013 WL 3873227' cited in plaintiff's reply does not correspond to a case by that name and the case number is assigned to a different case in this court.
- Fabricated: Case Law | Court found 'Boyle v. Bank of America, N.A., No. 2:13-cv-02021-APG-VCF, 2015 WL 1321435' does not correspond to any case by that name and the case number is assigned to a different case in this court.
- Fabricated: Case Law | Court found 'Holmes v. Countrywide Financial Corp., No. 2:10-cv-00333-RCJ-PAL, 2010 WL 11597538' does not bring up a case by that name and the number refers to another matter in this court.
- False Quotes: Case Law | Court found plaintiff cites Jolley at 213 Cal. App. 4th 872, 905 (2013) for a quoted passage, but the opinion at that citation (Jolley v. Chase Home Finance, LLC) does not contain the quoted language.
- False Quotes: Case Law | Court found plaintiff purports to quote Weingartner v. Chase Home Finance, LLC, 702 F. Supp. 2d 1276, 1288 (D. Nev. 2010), but the quoted language does not appear in that opinion.
Questions this record answers
- What happened in Anthony Wallace v. PennyMac Loan Services, LLC, et al.?
- The court issued a formal warning to the pro se plaintiff regarding his duty under FRCP 11(b)(2) to verify all legal citations. The court found that the plaintiff submitted multiple fabricated cases and false quotations, noting that such errors are frequently associated with the use of generative AI tools.
- Why does Anthony Wallace v. PennyMac Loan Services, LLC, et al. matter for legal AI risk?
- Docket-number mismatches with case names are a deterministic hallucination signature — always cross-check PACER.
- What does the public record establish about Anthony Wallace v. PennyMac Loan Services, LLC, et al.?
- 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 Anthony Wallace v. PennyMac Loan Services, LLC, et al. 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.