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Tiller v. Capital One — Fifth Circuit dismissed the appeal for deficient briefing

Unreported / Non-Citable

Case
Sean Michael Tiller v. Capital One, National Association
Court
U.S. Court of Appeals for the Fifth Circuit
Judge
Jones; Ho; Wilson
Date Decided
November 2, 2026
Docket No.
26-30227
Topics
Appellate Procedure; Pro Se Litigation; ADA; Briefing Requirements
Source
Read the full opinion

Background

Sean Michael Tiller, proceeding pro se, sued his former employer, Capital One, National Association, asserting retaliation, discrimination, and hostile-work-environment claims under the Americans with Disabilities Act. The district court initially dismissed his claims without prejudice for failure to plead sufficient facts under Federal Rule of Civil Procedure 8 and gave him one opportunity to amend.

After construing later-filed documents as an amended complaint, the district court concluded that Tiller still had not plausibly stated his claims and dismissed the action with prejudice. When Tiller attempted to file another amended complaint after final judgment, the court treated the filing as a Rule 59(e) motion to alter or amend the judgment and denied it. Tiller appealed the dismissal, the Rule 59(e) ruling, and the denial of further leave to amend.

The Court’s Holding

The Fifth Circuit dismissed the appeal because Tiller’s opening brief failed to comply with Federal Rule of Appellate Procedure 28. The brief did not cite the record at all and did not adequately cite legal authorities or explain the governing standards; several sections contained no supporting authority.

The court explained that these deficiencies forced Capital One to reconstruct Tiller’s claims and the relevant record, imposing the burden that the appellate briefing rules are intended to prevent. Although courts liberally construe pro se filings, pro se appellants must still reasonably comply with Rule 28 and the Federal Rules of Appellate Procedure. Because Tiller did not do so, the panel dismissed the appeal without reaching the merits of his ADA claims or the district court’s post-judgment rulings.

Key Takeaways

  • An appellant’s brief must support factual assertions with citations to the record and legal arguments with citations to relevant authority.
  • Pro se status does not excuse reasonable compliance with Federal Rule of Appellate Procedure 28.
  • The Fifth Circuit may dismiss an appeal for briefing deficiencies without deciding the underlying merits.

Why It Matters

The decision underscores that appellate briefing requirements are substantive prerequisites to review, not technical formalities. An appellant who fails to identify supporting portions of the record and governing legal authority risks dismissal before the court considers whether the trial court erred.

For litigants challenging dismissal or denial of post-judgment relief, the opinion highlights the need to separately develop each appellate issue, state the applicable standard, and connect the argument to specific record evidence.

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