Holding that any overlap between a claimed range and one in the prior art is sufficient for a prima facie case of obviousness, even if insufficient to render it unpatentable
Holding a claimed invention obvious because claimed range (“more than 5% to about 25%” carbon monoxide) abutted range of prior art (“about 1–5%” carbon monoxide)
35 U.S.C. § 103 Cited 6,165 times 492 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."
Giving the Director authority to designate "at least 3 members of the Patent Trial and Appeal Board" to review "[e]ach appeal, derivation proceeding, post-grant review, and inter partes review"