Federal Circuit April 2000 casesEnvirco Co. v. Clestra Cleanroom, Inc.Helfgott Karas, P.C. v. DickensonLockheed Martin Corp. v. U.S.Stratos Mobile Networks USA, LLC v. United StatesSTX, LLC v. Brine, Inc.Optical Disc Corp. v. Del Mar AvionicsJCM, Ltd. v. United StatesLittle Six, Inc. v. U.S.D'Amico v. WestROSA v. WESTDureiko v. United StatesBoyer v. WestHelifix Ltd. v. Blok-Lok, Ltd.Siegel Oil Co. v. RichardsonKaruk Tribe California v. AmmonKane v. Merit Systems Protection Bd.Kemco Sales, Inc. v. Control Papers Co.