Case Explained: Yufan Zhang v. UnitedHealth Group; Sujatha Duraimanickam

Court: United States Court of Appeals for the Eighth Circuit Filed: 2026-06-17 The eighth-circuit affirmed the district court’s dismissal of Yufan Zhang’s civil action, ruling that the claims were precluded by res judicata and collateral estoppel due to adverse decisions in a prior federal action and arbitration. Applying de novo review, the court found no basis for reversal after examining the record and the parties’ arguments. The court granted the parties’ motions for judicial notice regarding records from the prior proceedings but denied Zhang’s motion to the extent it sought notice of other documents. Consequently, the district court’s judgment dismissing the case stands, and the appeal is concluded without further proceedings on the merits. Do It For The Case Law is a news reporting service. Nothing in this episode constitutes legal advice.