Concluding that a reference was not reasonably pertinent where a PHOSITA "would not reasonably have expected to solve the [relevant] problem ... by considering" that reference
35 U.S.C. § 103 Cited 6,130 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."