35 U.S.C. § 112 Cited 7,418 times 1068 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 6,172 times 492 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."
37 C.F.R. § 1.192-1.196 Cited 20 times 4 Legal Analyses
Requiring "a statement . . . that the claims of the group do not stand or fall together," and an explanation "why the claims of the group are believed to be separately patentable"