Authorities Cited: United States Patent and Trademark Office U.S. Patent No. 4,849,352 United States Code 28 U.S.C. § 1295(a)(4)(A) 35 U.S.C. § 103 Code of Federal Regulations 37 C.F.R. § 41.50(b)(1) Circuit Courts 315 F.2d 381, 391 411 F.2d 1325 702 F.2d 989, 996 745 F.2d 1468, 1472 54 F.3d 746, 750 184 F.3d 1339, 1359 203 F.3d 1305, 1316 217 F.3d 1365, 1369 229 F.3d 1080, 1085 283 F.3d 1335, 1338 315 F.3d 1325, 1331 480 F.3d 1348, 1369