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Court of Appeals for the D.C. Circuit

The decisions of this court that later decisions in the law library cite most, and where to find its court rules.

The library holds 43,211 decisions of this court, filed through June 26, 2026.

Court level
Federal court of appeals
Jurisdiction
United States (federal)

Which decisions of the Court of Appeals for the D.C. Circuit are cited most?

These are the 5 decisions of this court that later decisions in the library cite most often, most cited first.

  1. Frye v. United StatesDecember 3, 1923 · cited 4,204 timesOverruled on other grounds (verified) · State v. Murray
  2. Charles Kowal v. MCI Communications CorporationMarch 1, 1994 · cited 1,980 timesNo negative treatment found in this library
  3. Robert G. Vaughn v. Bernard Rosen, Executive Director, United States Civil Service CommissionOctober 18, 1973 · cited 1,941 timesNo negative treatment found in this library
  4. Safecard Services, Inc. v. Securities and Exchange CommissionMarch 1, 1991 · cited 1,840 timesNo negative treatment found in this library
  5. Holcomb, Christine v. Powell, DonaldJanuary 10, 2006 · cited 1,529 timesNo negative treatment found in this library

A high count shows a case is used often, not that it is still good law: open the case and read the later cases.

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Where are the rules of the Court of Appeals for the D.C. Circuit?

They are in the library under the Court of Appeals for the D.C. Circuit: search its rules. Local rules and standing orders may add requirements.

Which other federal courts have pages?

These courts also have a page of their most cited decisions. The court directory lists every court of the federal system.

How do I find the cases that bind the Court of Appeals for the D.C. Circuit?

Ask your AI assistant for the best authority for this court: it ranks the cases with the courts that bind this one first. Connect your assistant.