# United States District Courts The **U.S. District Courts** are the federal trial courts — **94 districts** across the states, the District of Columbia, and the territories — where federal cases are filed, evidence is heard, juries sit, and the great majority of federal litigation both begins and ends. Each district has one or more presidentially appointed, life-tenured district judges, supplemented by magistrate and bankruptcy judges. They are the ground floor of the federal judiciary, and in the era of governance-by-executive-action they have become an unexpectedly decisive one. For the KB, the district courts matter because of two intertwined features that have turned individual trial judges into national policy actors: the **nationwide injunction** and **venue-shopping**. A single district judge can issue an order halting a federal policy across the entire country — which means the first and often most consequential legal check on a sweeping executive action lands not at the Supreme Court but in a single courtroom, sometimes within days of the action. ## Why the trial bench became a battleground - **Nationwide (universal) injunctions** — the power of one district judge to block a federal policy everywhere, not just for the parties before the court. Both parties have relied on it; it is now a structural feature of major policy fights and itself a subject of Supreme Court attention. - **Single-judge divisions and venue-shopping** — litigants file in divisions where only one judge sits, effectively choosing a known decision-maker. The tactic has been used across the spectrum (abortion-medication challenges, immigration, agency rules) and has drawn proposals for assignment reform. - **The first line on executive action** — in a period of rule-by-executive-order, district courts are where the [[Administrative State]] dismantling moves and the challenges to them first collide, before any appeal to the [[United States Courts of Appeals]] or the [[Supreme Court of the United States]]. ## The capture lens The district bench is less systematically "captured" than the circuits — its sheer size and local character dilute any single appointment — but it is contested in specific, high-leverage ways. The patterns the KB tracks: - **Strategic filing** — choosing favorable single-judge divisions to lock in a sympathetic judge. - **Injunction politics** — the fight over whether and how to curb nationwide injunctions, which cuts differently depending on who holds the White House. - **Compliance friction** — clashes when the executive resists, slow-walks, or contests district-court orders. ## See Also - [[United States Courts of Appeals]] - [[Supreme Court of the United States]] - [[Judiciary]] - [[Administrative State]]