Holding that the term "at least about" was indefinite because the patent provided no guidance as to where the line should be drawn between the numerical value of the prior art cited in the prosecution history and the close numerical value in the patent
Holding that 35 U.S.C. § 112 ¶ 6, which limits means-plus-function claims to the structures described in the specification and their equivalents, "applies regardless of the context in which the interpretation of means-plus-function language arises, i.e., whether as part of a patentability determination in the PTO or as part of a validity or infringement determination in a court"
Holding that, in reviewing a claim construction decided under the ‘broadest reasonable interpretation’ standard, we determine whether the interpretation is within the range of reasonableness
Noting that the question is whether the scope of enablement conveyed by the disclosure to a person of ordinary skill in the art is commensurate with the scope of protection taught by the claims
35 U.S.C. § 112 Cited 7,362 times 1046 Legal Analyses
Requiring patent applications to include a "specification" that provides, among other information, a written description of the invention and of the manner and process of making and using it
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"