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HomeCasesHayes v. Miller
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Evidence-linked corpus record: this page is generated from the structured public record and has a publication-readiness score of 76/100. It passes the current publication gate; that is not a legal-editorial review or a guarantee that every field has been independently verified.
Corpus matter record

Hayes v. Miller

CA Missouri · Jun 16, 2026

MO / stateEditorial impact: lowfake citationslandlord tenantappellateNone Adjudicated
Direct answer

What happened in this matter?

The court noted that the respondent's post-trial response brief contained several citations to nonexistent cases. However, the court did not impose sanctions or conduct a formal analysis of the citations, as the appeal was resolved on the procedural issue of the trial court's lack of authority to enter judgment for a non-party.

Why the court cared
The court identified the citations as nonexistent in a footnote but did not rely on them for its decision, which was based on the trial court's lack of authority to enter judgment for a non-party.
Why it matters now
This case illustrates a judicial encounter with AI-generated hallucinations in a legal brief. While the court noted the fabricated citations, it did not issue sanctions, highlighting that courts may prioritize procedural dispositive issues over addressing specific attorney misconduct in AI-assisted filings.

Why this matter is tracked

In an appeal regarding an ejectment action, the Missouri Court of Appeals vacated a trial court judgment in favor of a non-party, John Miller III. During the underlying litigation, Miller III's counsel filed a post-trial response brief containing multiple citations to nonexistent cases. The appellate court noted these fabricated citations in a footnote but did not impose sanctions or analyze the citations individually, as the case was resolved on the procedural ground that the trial court lacked authority to enter judgment for a non-party. The court observed that the trial court's decision to treat Miller III as the proper defendant despite his non-party status was erroneous, leading to the vacatur of the unjust enrichment award.

Operational lesson

This case illustrates a judicial encounter with AI-generated hallucinations in a legal brief. While the court noted the fabricated citations, it did not issue sanctions, highlighting that courts may prioritize procedural dispositive issues over addressing specific attorney misconduct in AI-assisted filings.

Record details

MissouriSingle-state evidence scope
Explore MOOpen its source-linked jurisdiction page and related matters.
CourtCA Missouri
Jurisdictionstate
Circuit8th Circuit
DateJun 16, 2026
AI
AI toolAI (implied, unspecified)
Party typeLawyer
OutcomeThe appellate court vacated the trial court's judgment in favor of Miller III on the unjust enrichment counterclaim.
Known amountNot recorded
Professional sanctionNo
Attribution boundary

What the record establishes about AI use

reported

AI (implied, unspecified) is recorded in the source dataset; confirm the basis in the linked document.

Procedural posture

Appeal from the Circuit Court of St. Louis County to the Missouri Court of Appeals, Eastern District.

Correction behavior

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.

  1. Fabricated: Case Law | Post-trial response brief contained several citations to nonexistent cases; the court noted the citations were fabricated but did not analyze them individually.

Questions this record answers

What happened in Hayes v. Miller?
The court noted that the respondent's post-trial response brief contained several citations to nonexistent cases. However, the court did not impose sanctions or conduct a formal analysis of the citations, as the appeal was resolved on the procedural issue of the trial court's lack of authority to enter judgment for a non-party.
Why does Hayes v. Miller matter for legal AI risk?
This case illustrates a judicial encounter with AI-generated hallucinations in a legal brief. While the court noted the fabricated citations, it did not issue sanctions, highlighting that courts may prioritize procedural dispositive issues over addressing specific attorney misconduct in AI-assisted filings.
What does the public record establish about Hayes v. Miller?
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 Hayes v. Miller 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.

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