Authorities Cited: United States Patent and Trademark Office U.S. Patent No. 5,740,994 United States Code 28 U.S.C. § 1292(a)(1) 35 U.S.C. § 102(b) 35 U.S.C. § 103 Supreme Court 340 U.S. 474, 477 383 U.S. 1, 17-18 411 U.S. 452, 457 422 U.S. 922 451 U.S. 390, 395-398 477 U.S. 242 480 U.S. 531 542 U.S. 656, 666 546 U.S. 418, 429 547 U.S. 388 Circuit Courts 489 F.2d 567 718 F.2d 1573, 1579 906 F.2d 679 77 F.3d 1364, 1367 108 F.3d 1361 208 F.3d 1339 237 F.3d 1359, 1363 239 F.3d 1343, 1350-1358 316 F.3d 1331 350 F.3d 1235, 1239 357 F.3d 1319, 1325 405 F.3d 1367, 1370 452 F.3d 1289, 1297 464 F.3d 1356, 1368 469 F.3d 1361, 1365 470 F.3d 1368