Finding claims invalid for indefiniteness where claims “serv[ed] as a shadowy framework upon which are located words lacking in precise referents in the specification”
35 U.S.C. § 112 Cited 7,362 times 1046 Legal Analyses
Requiring patent applications to include a "specification" that provides, among other information, a written description of the invention and of the manner and process of making and using it
35 U.S.C. § 103 Cited 6,129 times 479 Legal Analyses
Holding the party seeking invalidity must prove "the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains."