The Court holds that a district court's erroneous dismissal of a nondiverse party does not cure a diversity-jurisdiction defect that existed at the time a case was removed to federal court. Because the defect therefore lingered through judgment uncured, the Fifth Circuit correctly vacated the District Court's judgment in Hain's favor — a district court cannot manufacture jurisdiction through its own mistake.
CASE: Hain Celestial Group, Inc. v. Palmquist
AUTHOR: Sotomayor, J.
DECIDED: 2026-02-24
OPINION: https://www.supremecourt.gov/opinions/25pdf/607us2r14_1a72.pdf
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