Decision: In an action brought under the False Claims Act, the United States would likely seek dismissal under 31 U. S. C. § 3730(c)(2)(A) provided that it intervened, either in the seal era or after; In evaluating a move to dismiss an FCA action despite a parent’s objection, district courts will have to apply the rule that sometimes governs the voluntary dismissal of proceedings in ordinary civil litigation: Federal Civil Procedure Rule 41(a).
Held: Affirmed, 8-1, in an opinion of Justice Kagan on June 16, 2023. Judge Kavanaugh presented a concurring opinion, which was joined through Judge Barrett. Justice Thomas delivered a dissenting opinion.