Incident Tracker / United States (federal)
Allen v. Casper
·United States District Court for the Northern District of Illinois·US-FEDFineprovisional
Northern District of Illinois on 2026-03-10 in Helen Allen v. Cass Casper and Disparti Law Group found the self-represented party's brief contained two citation defects, including Krause v. Meyers, Krause and Krause v. Meyers', involving nonexistent authorities, fabricated or misattributed quotations. The court ordered the self-represented party to pay $1,500 for the defective authorities.
- Court
- United States District Court for the Northern District of Illinois
- Date
- 2026-03-10
- Who used the AI
- Litigant in person
- AI tool
- Not identified in the record
- Conduct
- Allen submitted two fake cases and repeatedly inaccurate or false statements in a 112-page opposition that appeared AI-generated.
- Outcome
- Fine
- Penalty
- US$1,500
- Regulatory outcome
- No separate regulatory disposition recorded
- Status
- Provisional — written by the court-decisions pipeline, awaiting the editor
- Last checked
- 2026-09-07
Primary sources for this incident
Related regulation records for this incident
No related regulation record has been linked to this incident yet.
Similar incidents on the record
- Chirece C. v. Commissioner of Social Security, No. 25-11554 (E.D. Mich. 2026)2026-09-24 · United States District Court for the Eastern District of Michigan · FineIn Michigan federal court, Magistrate Judge Elizabeth Stafford fined a Social Security claimant's lawyer $500 for AI-generated fictitious citations she admitted not checking. The same lawyer had been sanctioned in July…
- Carter v. City of Buffalo, No. 25-CV-740 (W.D.N.Y.)2026-09-08 · US District Court, Western District of New York · WarningIn the US District Court for the Western District of New York, self-represented plaintiff Zakkiyya Carter used case law the court said did not support her propositions, after an earlier screening order. Judge John L. Si…
- Booker v. The Kroger Co., No. 1:26-cv-02006-SDG (N.D. Ga.)2026-08-28 · US District Court for the Northern District of Georgia, Atlanta Division · FineThe US District Court for the Northern District of Georgia fined employment plaintiff's lawyer Christopher Johnson USD 8,000, payable to the court's sanctions fund, for citing four nonexistent or misrepresented authorit…
- Adams v. Matrix Providers, No. 1:23-cv-01996 (D. Colo.)2026-08-27 · US District Court for the District of Colorado · FineThe US District Court for the District of Colorado fined counsel Ms Pearson USD 1,000 after her brief cited a nonexistent case and attributed a quotation to Justice Scalia from an opinion dated 2020, four years after hi…
Cite this record
SafeLegalAI Global Legal AI Incident Tracker, “Allen v. Casper”, safelegalai.com/tracker/helen-allen-v-cass-casper-and-disparti-law-group (accessed 2026-10-07). Data: CC BY 4.0.