550 U.S. 398 (2007) Cited 1,565 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"
Holding that the first prong was not met when “the record developed in the infringement proceeding ..., show[ed] that the question of equivalence was a close one,” particularly in light of the intensely factual inquiry involved in the doctrine of equivalents analysis
Holding that "a particular combination" need not "be the preferred, or the most desirable, combination described in the prior art in order to provide motivation"
Holding that there was sufficient appreciation when an inventor recognized a process in terms of codons — groups of three nucleotides-instead of the ultimately claimed nucleotides
Holding as limiting a method claim's preamble reciting “diagnosing an increased risk for thrombosis,” where claim covering nucleic-acid tests performed on a “test subject” was meaningless without understanding that “[d]iagnosis is ... the essence of invention”
Holding that the Board is "well within its discretion" to give more or less credibility to expert testimony unless "no reasonable trier of fact could have done so"
35 U.S.C. § 103 Cited 6,157 times 488 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."