550 U.S. 398 (2007) Cited 1,568 times 187 Legal Analyses
Holding that, in an obviousness analysis, "[r]igid preventative rules that deny factfinders recourse to common sense, however, are neither necessary under our case law nor consistent with it"
35 U.S.C. § 103 Cited 6,159 times 489 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. § 42.104 Cited 28 times 54 Legal Analyses
Describing the content of the petition, including both "the patents or printed publications relied upon for each ground," and "supporting evidence relied upon to support the challenge"