Federal Circuit September 2000 casesRigsbee v. U.S.Pulac v. GoberEngineered Fabrics Corp. v. U.S.AK Steel Corp. v. United StatesUpjohn Co. v. Mova Pharmaceutical Corp.Lampi Corp. v. American Power ProductsCultor v. A.E. Staley Manu. Co.Bankers Trust New York Corp. v. U.S.Sibia Neurosciences v. Cadus PharmSouthwest Software Inc. v. Harlequin Inc.