Holding that claims are not to be treated as "mere catalogs of separate parts, in disregard of the part-to-part relationships set forth in the claims and that give the claims their meaning"
Holding that inherent anticipation requires more than mere probability or possibility that the missing descriptive materials are present in the prior art
35 U.S.C. § 103 Cited 6,174 times 493 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."