Authorities Cited: United States Patent and Trademark Office U.S. Patent No. 5,692,550 U.S. Patent No. 7,182,120 United States Code 15 U.S.C. § 1125(a) 35 U.S.C. § 102(b) 35 U.S.C. § 146 35 U.S.C. § 287 Code of Federal Regulations 37 C.F.R. § 1.56 37 C.F.R. § 1.56(b) Supreme Court 508 U.S. 49, 60 Circuit Courts 678 F.2d 90, 92 754 F.2d 331, 335 794 F.2d 1575, 1577-1578 849 F.2d 1418, 1422 917 F.2d 544, 552 935 F.2d 1555, 1560 984 F.2d 1182 995 F.2d 209, 211 48 F.3d 1172, 1178 84 F.3d 1471, 1476 136 F.3d 1317, 1322 153 F.3d 1318, 1386 165 F.3d 891, 894-897 182 F.3d 1340, 1349-1353 231 F.3d 1325, 1329 279 F.3d 1357, 1364 329 F.3d 348, 352 329 F.3d 1358, 1362-1363 362 F.3d 1367, 1375 394 F.3d 1327, 1331 437 F.3d 1181 476 F.3d 1359, 1363 487 F.3d 897, 917-918 500 F.3d 1369, 1374 503 F.3d 1372, 1380 511 F.3d 350, 356-357 514 F. Supp. 2d 753, 762-766