Authorities Cited: United States Patent and Trademark Office U.S. Patent No. 4,930,150 U.S. Patent No. 4,930,158 U.S. Patent No. 4,930,160 United States Code 28 U.S.C. § 1295(a)(1) 28 U.S.C. § 2201(a) 47 U.S.C. § 330(c) Supreme Court 300 U.S. 227, 240-241 312 U.S. 270, 273 508 U.S. 83 515 U.S. 277, 286-288 Circuit Courts 824 F.2d 953, 956 846 F.2d 731, 735-736 929 F.2d 670, 673 51 F.3d 1037, 1039 57 F.3d 1051, 1052 89 F.3d 807, 811-815 387 F.3d 1352 480 F.3d 1372, 1377-1382 482 F.3d 1330, 1339