We have also acted as counsel for the Federal Judges Association and/or a class of federal judges in numerous constitutional cases in the Supreme Court and Circuit Court. Atkins v. United States, 556 F.2d 1028 (Ct. Cl. 1977), cert. denied, 434 U.S. 1009 (1978); Hatter v. United States, 121 S. Ct. 1782 (2001); Humphrey v. Baker, 848 F.2d 211 (D.C. Cir. 1988); and Williams v. United States, 240 F.3d 1019 (Fed. Cir. 2001).