Authorities Cited: United States Patent and Trademark Office U.S. Patent No. 5,192,553 United States Code 35 U.S.C. § 103(a) 35 U.S.C. § 271(c) Supreme Court 150 U.S. 312, 329 318 U.S. 80, 89-93 383 U.S. 1, 17-18 448 U.S. 176, 188 477 U.S. 242, 254-255 508 U.S. 83, 97 509 U.S. 579, 590-592 522 U.S. 136, 141 526 U.S. 137 527 U.S. 150 Circuit Courts 258 F.2d 124, 136 509 F.2d 566, 571 675 F.2d 297, 300 722 F.2d 1542, 1546 740 F.2d 1560, 1567 758 F.2d 613, 624 766 F.2d 531, 533 789 F.2d 1556, 1560 800 F.2d 1091, 1097 802 F.2d 1367, 1385 808 F.2d 5 847 F.2d 1573, 1577 848 F.2d 1560, 1570 853 F.2d 894, 903 909 F.2d 1464, 1467-1469 997 F.2d 870, 875 156 F.3d 1154, 1159 157 F.3d 1340, 1351-1352 174 F.3d 1308, 1323 212 F.3d 1272, 1281 225 F.3d 1349, 1355 229 F.3d 1120, 1121 253 F.3d 1371, 1378-1379 262 F.3d 1339, 1355 264 F.3d 1111, 1119 265 F.3d 1371, 1375 304 F.3d 1373, 1380 329 F.3d 1358, 1368 346 F.3d 1051, 1054-1057 355 F.3d 1343, 1351 370 F.3d 1354, 1368 381 F.3d 1371, 1376 390 F.3d 1361, 1370 413 F.3d 1361, 1368 417 F.3d 1356, 1361 420 F.3d 243, 262 424 F.3d 1293, 1311 437 F.3d 1157, 1164-1166 442 F.3d 1331, 1334 464 F.3d 1356, 1360 471 F.3d 1369, 1377 480 F.3d 1348, 1367 131 F. Supp. 83