There are eleven ed circuits which are numbered one through eleven. The D.C. Circuit is the twelfth. The thirteenth court of appeals is the United States Court of Appeals for the Federal Circuit. It has nationwide jurisdiction over certain appeals based on their subject matter. All of the courts of appeals also hear appeals from some government agency decisions and rulemaking. The largest share of these cases heard by the D.C. Circuit. The Federal Circuit hears appeals from specialized trial courts. These are primarily the United States Court of International Trade and the United States Court of Federal Claims. They also hear appeals from the district courts in patent cases and certain other specialized matters.