550 U.S. 398 (2007) Cited 1,576 times 189 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 an inventor may define specific terms used to describe invention, but must do so "with reasonable clarity, deliberateness, and precision" and, if done, must "'set out his uncommon definition in some manner within the patent disclosure' so as to give one of ordinary skill in the art notice of the change" in meaning
In GPAC, for example, we found that a reference disclosing an equilibrium air door was reasonably pertinent to a patent directed to asbestos removal because they both addressed the same problem of "maintaining a pressurized environment while allowing for human ingress and egress."
Finding that the Board's construction of key claim terms was unreasonably broad in light of the broadest reasonable interpretation standard, and on that basis vacating and remanding the Board's finding of unpatentability
Holding reliance on non-claimed distinction between prior art method and claimed method "inappropriate" and insufficient to save the claim from inherent anticipation
Holding that inherent anticipation requires more than mere probability or possibility that the missing descriptive materials are present in the prior art
Recognizing that the Supreme Court set aside the rigid application of the TSM Test and ensured use of customary knowledge as an ingredient in that equation.
Finding that, since "structural equivalency ... is a question of fact," where the Board made no finding as to structural equivalency, this Court would "not reach that question in the first instance" and instead vacate and remand
35 U.S.C. § 103 Cited 6,173 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."