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Trump v. Illinois

Jurisdiction: Federal - Supreme Court
legal intermediate • Official Source ↗
Added: 2026-01-09 • License: See original source

Overview

  • The Supreme Court denied (or considered) a stay request by President Donald J. Trump to block an Illinois court order limiting federal immigration‑enforcement actions within the state, highlighting the Court’s role in adjudicating federal‑state power conflicts over immigration policy. The decision underscores the high threshold for emergency relief against lower‑court injunctions and reinforces the principle that immigration enforcement is predominantly a federal function.
  • The Court reiterated that a litigant must show a clear likelihood of success on the merits and a showing of irreparable harm to obtain a stay of a lower‑court order.
  • The case emphasizes federal preemption doctrine: states may not impede the execution of federal immigration laws absent a clear statutory exception.
  • The decision provides guidance on the standards for granting emergency relief in high‑profile, politically sensitive cases involving executive authority.
  • The ruling signals limited judicial willingness to intervene in ongoing policy disputes between the executive branch and state governments absent a compelling legal basis.
  • Practitioners should note the importance of promptly filing comprehensive affidavits and evidentiary support when seeking stays in similar federal‑state conflicts.

Full Text

# Trump v. Illinois **Source:** [CourtListener SCOTUS](https://www.courtlistener.com/opinion/10764200/trump-v-illinois/) **Author:** Supreme Court of the United States **Published:** 2025-12-23 **Jurisdiction:** Federal - Supreme Court ## Summary - The Supreme Court denied (or considered) a stay request by President Donald J. Trump to block an Illinois court order limiting federal immigration‑enforcement actions within the state, highlighting the Court’s role in adjudicating federal‑state power conflicts over immigration policy. The decision underscores the high threshold for emergency relief against lower‑court injunctions and reinforces the principle that immigration enforcement is predominantly a federal function. - The Court reiterated that a litigant must show a clear likelihood of success on the merits and a showing of irreparable harm to obtain a stay of a lower‑court order. - The case emphasizes federal preemption doctrine: states may not impede the execution of federal immigration laws absent a clear statutory exception. - The decision provides guidance on the standards for granting emergency relief in high‑profile, politically sensitive cases involving executive authority. - The ruling signals limited judicial willingness to intervene in ongoing policy disputes between the executive branch and state governments absent a compelling legal basis. - Practitioners should note the importance of promptly filing comprehensive affidavits and evidentiary support when seeking stays in similar federal‑state conflicts. ## Content

Cite as: 607 U. S. ____ (2025) 1 SUPREME COURT OF THE UNITED STATES _________________ No. 25A443 _________________ DONALD J. TRUMP, PRESIDENT OF THE UNITED STATES, ET AL. v. ILLINOIS, ET AL. ON APPLICATION FOR STAY [December 23, 2025] Federal immigration-enforcement efforts have encoun- tered significant resistance, as well as some


Original document --- *Legal Topics: constitutional, administrative, immigration* *Difficulty: intermediate* *Via CourtListener SCOTUS*
Via CourtListener SCOTUS