Authorities Cited: United States Patent and Trademark Office U.S. Patent No. 5,324,035 United States Code 28 U.S.C. § 1292(b) 35 U.S.C. § 100(d) 35 U.S.C. § 154(a)(1) 35 U.S.C. § 261 35 U.S.C. § 281 Supreme Court 138 U.S. 252, 255-256 144 U.S. 248 261 U.S. 24, 38 Circuit Courts 174 F. 821 42 F.2d 116, 118-119 290 F.2d 28 944 F.2d 870, 875 52 F.3d 1026, 1030 56 F.3d 1538, 1552 134 F.3d 1090, 1093 134 F.3d 1481, 1484 222 F.3d 1372, 1377 248 F.3d 1333, 1347 473 F.3d 1187, 1192-1193 153 F. Supp. 409, 410