Currently, there are twelve geographic circuits (1st through 11th and the [[Washington, D.C.|District of Columbia]]) and the Federal Circuit, which hears appeals from specific courts, as well as from U.S. district courts that concern certain subject matter.<ref>[http://www.uscourts.gov/courtsofappeals.html United States Courts of Appeals]</ref> The thirteen courts have a total of 179 judgeships,<ref>[http://www.uscourts.gov/JudgesAndJudgeships/FederalJudgeships.aspx Federal Judgeships]</ref> although not all of these judgeships are necessarily filled at any given time. | Currently, there are twelve geographic circuits (1st through 11th and the [[Washington, D.C.|District of Columbia]]) and the Federal Circuit, which hears appeals from specific courts, as well as from U.S. district courts that concern certain subject matter.<ref>[http://www.uscourts.gov/courtsofappeals.html United States Courts of Appeals]</ref> The thirteen courts have a total of 179 judgeships,<ref>[http://www.uscourts.gov/JudgesAndJudgeships/FederalJudgeships.aspx Federal Judgeships]</ref> although not all of these judgeships are necessarily filled at any given time. |