Supreme Court of the United States

Feres v. United States is a decades-old Supreme Court precedent that generally bars servicemembers' families from filing wrongful-death lawsuits against the federal government when the servicemember was killed while performing military duties.

The Supreme Court's 'Rule of Four' practice requires at least four Justices to vote in favor of granting a petition for certiorari for the Court to hear a case.

Congress can enact or modify federal statutes to change legal rights or remedies that are shaped by existing Supreme Court precedents.

The Supreme Court of the United States can adjudicate legal challenges to a President's authority to impose tariffs using claimed emergency powers.

The Supreme Court routinely reviews constitutional questions about the scope of presidential authority, including disputes over imposing tariffs under a claimed national emergency, removing members of independent federal regulatory agencies, and removing officials from the Federal Reserve Board.

In June 2025, the U.S. Supreme Court issued a divided decision permitting the swift removal of immigrants to countries other than their countries of origin with minimal notice.

A United States Supreme Court justice can be assigned responsibility for handling emergency applications originating from a specific federal circuit; Justice Ketanji Brown Jackson is assigned to handle emergency orders from the First Circuit.

Parties seeking relief from temporary orders or injunctive relief in the U.S. federal system can have the district court evaluate the case on its merits and may appeal to a U.S. Court of Appeals and, in some cases, petition the Supreme Court for review.