606 U.S. 831 (2025) · 2025
Trump v. CASA, Inc.
federal courtsinjunctionsexecutive powerbirthright citizenshipimmigrationseparation of powersLandmark
Summary
President Trump's Executive Order 14160 tried to deny federal citizenship recognition to certain children born in the United States. Lawsuits by individuals, organizations, and states led district courts to issue universal injunctions blocking the order nationwide. The Supreme Court did not rule on whether the order violates the Fourteenth Amendment or the Nationality Act. Instead, it ruled on the remedy. The Court held that universal injunctions likely exceed the equitable authority Congress gave federal courts and stayed the lower-court orders to the extent they reached beyond what was necessary to protect plaintiffs with standing. The result narrows one of the main tools used to stop federal policies quickly across the country, while leaving room for class actions and other party-specific remedies.
Background & Context
The case came from three emergency applications: Trump v. CASA, Inc. (24A884), Trump v. Washington (24A885), and Trump v. New Jersey (24A886). Each involved challenges to Executive Order 14160, which stated that certain children born in the United States would not be recognized by the federal government as citizens. The plaintiffs argued the order violated the Fourteenth Amendment's Citizenship Clause and the Nationality Act. Lower courts blocked the order nationwide. The Supreme Court took up the narrower remedial issue: whether federal courts have equitable authority to issue universal injunctions that protect nonparties.
The Question Before the Court
Under the Judiciary Act framework and traditional principles of equity, may federal district courts issue universal injunctions that bar the federal government from enforcing an executive order against nonparties nationwide?
Petitioner
Donald J. Trump, President of the United States, et al.
Party asking the Court to review or reverse
Argued
- Universal injunctions exceed federal courts traditional equitable powers.
- Nationwide injunctions distort separation of powers.
- Plaintiff-specific relief is enough when tailored correctly.
Respondent
CASA, Inc., et al.
Party defending the judgment below
Argued
- Universal relief may be necessary to fully stop unlawful executive action.
- Birthright-citizenship harms cannot be neatly confined to named plaintiffs.
- Courts need effective remedies when the government adopts a facially unlawful policy.
The Holding
Universal injunctions likely exceed the equitable authority Congress has given federal courts. The Court granted the federal government partial stays of the lower-court injunctions against Executive Order 14160, but only to the extent those injunctions were broader than necessary to give complete relief to plaintiffs with standing. The Court did not decide whether the executive order violates the Citizenship Clause or federal nationality law.
The Court
How the justices lined up in this decision.
6-3
Vote
Joined decision
6 justicesAC
Amy Barrett
Majority
BK
Brett Kavanaugh
Majority
CT
Clarence Thomas
Majority
JR
John Roberts
Majority
NG
Neil Gorsuch
Majority
SA
Samuel Alito
Majority
Dissented
3 justicesEK
Elena Kagan
Dissent
KB
Ketanji Jackson
Dissent
SS
Sonia Sotomayor
Dissent
What this means for you
This decision shifts emergency litigation over national policies toward narrower, plaintiff-specific remedies. A single district judge generally cannot freeze a federal policy for everyone nationwide just because some plaintiffs sued. But the ruling does not approve Executive Order 14160, and it does not end litigation over birthright citizenship. Plaintiffs may still seek class-wide relief, state-specific relief, or other remedies that are necessary to fully protect parties with standing.
Key Takeaways
- The case was about the scope of lower-court injunctions, not the final constitutionality of Trump's birthright-citizenship executive order.
- The Court held that universal injunctions likely exceed federal courts' traditional equitable authority.
- The ruling allows relief broad enough to fully protect plaintiffs with standing, but not automatically everyone nationwide.
- The decision leaves class actions and some other broader remedies available when procedural requirements are met.
- The dissent warned that narrowing universal injunctions can leave people without lawyers, resources, or organized representation exposed to unlawful government action while litigation continues.
Decision
6-3 majority opinion
- Citation
- 606 U.S. 831 (2025)
- Vote
- 6-3
- Decision type
- Majority opinion
- Argued
- May 15, 2025
- Decided
- June 27, 2025
- Term
- 2024
- Opinion author
- Amy Coney Barrett
Justice Barrett wrote the Court's opinion, joined by Chief Justice Roberts and Justices Thomas, Alito, Gorsuch, and Kavanaugh. Justices Thomas, Alito, and Kavanaugh filed concurrences. Justice Sotomayor dissented, joined by Justices Kagan and Jackson, and Justice Jackson also filed a separate dissent.