# DC Circuit The **United States Court of Appeals for the District of Columbia Circuit** — geographically the smallest federal appellate circuit and, by subject matter, the most consequential. It is referenced in prose on more than eighty pages of this vault, which is why it needs one of its own. ## Why this circuit specifically Most federal circuits hear whatever arises in their states. The D.C. Circuit hears **the federal government**. Because so many statutes channel review of agency action to this court, and because the executive branch and its agencies sit inside its territory, the D.C. Circuit decides a disproportionate share of cases about: - **Administrative law** — agency rulemaking, the scope of delegated authority, judicial deference doctrines - **Separation of powers** — subpoena disputes, privilege claims, the limits of unilateral executive action - **National security and classification** - **Election and campaign-finance regulation** It is often called the second-most-important court in the country, and it is the most common launching point for Supreme Court nominees — Scalia, Thomas, Ginsburg, Roberts, and Kavanaugh all served on it. ## Why it matters for the KB **1. It is where the administrative state is defended or dismantled.** The vault's material on [[Loper Bright v. Raimondo]], nondelegation, and the major-questions doctrine runs through this circuit before it reaches the Supreme Court. Control of the D.C. Circuit is therefore a strategic objective in its own right, independent of the Supreme Court — which is why its confirmations have been among the most contested and why the 2013 filibuster change was fought over its seats. **2. It rules directly on presidential power more than any other appellate court.** Its 2026 ballroom decision is the clean example: a three-judge panel holding that **"Each President is a temporary tenant, not the owner, of the White House"** and that unilateral reconstruction is "Executive self-help" rather than a presidential prerogative. See [[DC Circuit - a temporary tenant not the owner]]. **3. Its rulings are increasingly provisional.** The same ballroom holding was **stayed by the Supreme Court within two weeks**, permitting construction to continue while litigation proceeds. That pattern — a D.C. Circuit ruling against the executive, followed quickly by an emergency-docket stay — is worth tracking as a structural feature rather than a series of isolated outcomes, because it determines whether the circuit's separation-of-powers holdings actually constrain anything in real time. > [!warning] Thin page > Built to close an 82-inbound gap. Needs: current composition and appointing presidents, the en banc dynamics, the 2013 filibuster fight in detail, and a roster of the vault's recurring D.C. Circuit cases. ## See Also - [[DC Circuit - a temporary tenant not the owner]] · [[White House Ballroom Project]] - [[Supreme Court of the United States]] · [[Judiciary Hub]] · [[Federal Judiciary Tree]] - [[Loper Bright v. Raimondo]] · [[Federalist Society]] - [[Rule of Law]]