Authorities Cited: United States Patent and Trademark Office U.S. Patent No. 6,582,458 U.S. Patent No. 6,613,073 United States Code 28 U.S.C. § 1291 Circuit Courts 440 F.2d 1362, 1370 6 F.3d 1318, 1326 8 F.3d 1433, 1441 40 F.3d 1223, 1228-1230 56 F.3d 1138, 1141-1142 123 F.3d 1466, 1473 135 F.3d 1456, 1465 154 F.3d 1321, 1327-1330 415 F.3d 1015, 1025 422 F.3d 800, 804 475 F.3d 1256, 1263 Federal Rules of Civil Procedure Fed. R. Civ. P. 51(c)(1)