Authorities Cited: United States Patent and Trademark Office U.S. Patent No. 5,241,466 U.S. Patent No. 5,794,207 U.S. Patent No. 6,185,683 United States Code 5 U.S.C. § 706 28 U.S.C. § 1295(a)(4)(A) 35 U.S.C. § 101 35 U.S.C. § 102 35 U.S.C. § 103 35 U.S.C. § 103(a) 35 U.S.C. § 144 Code of Federal Regulations 37 C.F.R. § 41.50(b) Supreme Court 55 U.S. 156 87 U.S. 498, 507 94 U.S. 780, 788 102 U.S. 707, 722 318 U.S. 80 383 U.S. 1, 5 409 U.S. 63, 64-70 425 U.S. 219, 220 437 U.S. 584 447 U.S. 303, 308-309 450 U.S. 175, 178-191 498 U.S. 73, 77 508 U.S. 439, 447 527 U.S. 150, 154-155 537 U.S. 186, 200 Circuit Courts 264 F.2d 897, 900 271 F.2d 218, 220-221 431 F.2d 882, 893 448 F.2d 1406, 1407 537 F.2d 486, 497 563 F.2d 1026, 1030 596 F.2d 952, 960 609 F.2d 481 688 F.2d 789, 796 699 F.2d 1320, 1324 713 F.2d 1530, 1539 760 F.2d 1270, 1276 766 F.2d 520, 523 785 F.2d 1029, 1031-1032 888 F.2d 835, 839-840 958 F.2d 1053, 1058-1059 991 F.2d 1564, 1568-1569 22 F.3d 290, 291-295 33 F.3d 1354 33 F.3d 1526, 1541-1544 149 F.3d 1368, 1371-1377 172 F.3d 1352, 1355-1358 298 F.3d 1357, 1367 476 F.3d 1337, 1343 485 F.3d 1157, 1161