Authorities Cited: United States Patent and Trademark Office U.S. Patent No. 5,384,516 U.S. Patent No. 6,011,360 U.S. Patent No. 6,259,615 U.S. Patent No. 6,396,722 U.S. Patent No. 6,804,129 United States Code 28 U.S.C. § 1295(a)(1) 35 U.S.C. § 103 Supreme Court 517 U.S. 370 520 U.S. 17, 29 535 U.S. 722, 733-740 546 U.S. 394 Circuit Courts 1 F.3d 271, 277 52 F.3d 967, 976 90 F.3d 1558, 1567 103 F.3d 1554, 1568 132 F.3d 701, 706 199 F.3d 1295, 1299 213 F.3d 209, 223 214 F.3d 1302 244 F.3d 1365, 1380 249 F.3d 1341, 1349 288 F.3d 1359, 1370-1371 344 F.3d 1359, 1367-1368 351 F.3d 663, 667 370 F.3d 1131, 1140 375 F.3d 1341, 1350 381 F.3d 1371, 1381 385 F.3d 1360, 1370 415 F.3d 1303, 1312-1319 423 F.3d 1296, 1306 424 F.3d 1136, 1143 460 F.3d 1349, 1357 515 F.3d 1353, 1358