Authorities Cited: United States Patent and Trademark Office U.S. Patent No. 6,064,756 United States Code 35 U.S.C. § 282 Supreme Court 383 U.S. 1, 17 470 U.S. 564, 575 500 U.S. 918 Circuit Courts 713 F.2d 1530, 1534-1540 745 F.2d 621 770 F.2d 1015, 1022 802 F.2d 1367, 1375 917 F.2d 538, 541 19 F.3d 1405, 1411 32 F.3d 1541, 1545 48 F.3d 1172, 1186 138 F.3d 1448, 1460 148 F.3d 1380 202 F.3d 1340, 1348 351 F.3d 1139 365 F.3d 1299, 1128-1302 394 F.3d 1368, 1373 437 F.3d 1157, 1164 455 F.3d 1351, 1363 464 F.3d 1286, 1289 476 F.3d 1359, 1363 480 F.3d 1348, 1359-1360 492 F.3d 1336, 1344 501 F.3d 1254, 1256 504 F.3d 1223, 1229-1231 504 F.3d 1249, 1262 518 F.3d 1353, 1366 522 F.3d 1279, 1296 523 F.3d 1304, 1314 486 F. Supp. 2d 330