The United States Court of Appeals for the Federal Circuit is one of the 13 United States courts of appeals. It has special appellate jurisdiction over certain categories of specialized cases in the U.S. federal court system. Specifically, it has exclusive appellate jurisdiction over all U.S. federal cases involving patents, trademark registrations, government contracts, veterans' benefits, public safety officers' benefits, federal employees' benefits, and various other types of cases. The Federal Circuit has no jurisdiction over criminal, bankruptcy, immigration, or U.S. state law cases. It is headquartered at the Howard T. Markey National Courts Building in Washington, DC.

An appellate court, commonly called a court of appeal(s), appeal court, court of second instance or second instance court, is any court of law that is empowered to hear an appeal of a trial court or other lower tribunal. In much of the world, court systems are divided into at least three levels: the trial court, which initially hears cases and reviews evidence and testimony to determine the facts of the case; at least one intermediate appellate court; and a supreme court (or court of last resort) which primarily reviews the decisions of the intermediate courts, often on a discretionary basis. A particular court system's supreme court is its highest appellate court. Appellate courts nationwide can operate under varying rules.