Chief Judge Paul Michel of the U.S. Court of Appeals for the Federal Circuit announced Friday evening that he is stepping down as chief and retiring from the judiciary effective May 31, 2010, the Federal Circuit Bar Association said Saturday.

Michel, the chief since Dec. 25, 2004, announced his retirement plans at the bar association’s 25th annual dinner, held at the Renaissance Mayflower Hotel in Northwest Washington, D.C. Michel, who has served on the court for 21 years, was the guest speaker.