Holding that to act as its own lexicographer, a patentee must “clearly set forth a definition of the disputed claim term” other than its plain and ordinary meaning
Holding that "a competent opinion of counsel concluding either [non-infringement or invalidity] would provide a sufficient basis for [the defendant] to proceed without engaging in objectively reckless behavior with respect to the [asserted] patent"
Holding that in cases involving means-plus-function claims where structure is "a computer, or microprocessor, programmed to carry out an algorithm," specification must disclose corresponding algorithm to be sufficiently definite
Holding that the phrase "not interfering substantially" is sufficiently definite because a skilled artisan could use "the examples in the specification to determine whether interference with hybridization is substantial"
Holding that "[t]he answer is `no'" to the question of whether "the existence of a substantial defense to infringement [is] sufficient to defeat liability for willful infringement even if no legal advice has been secured"
Holding that while "[w]aiver is a procedural issue," the question of whether there has been "waiver of a claim construction argument . . . [is] indisputably unique to patent law"
Holding district court did not err by declining to construe the term "melting" as it did "not appear to have required construction, or to depart from its ordinary meaning"
Holding district court did not err by declining to construe the terms "irrigating" and "frictional heat" and "relying on the ordinary meanings of these terms"
Finding that although it is an important consideration, "not every failure to seek an opinion of competent counsel will mandate an ultimate finding of willfulness"
Holding that descriptions of deficiencies of using mainframe computers set out in the "Background of the Invention" portion of the specification did not exclude mainframes from the definition of "'user computer'" where the "specification as a whole" did not express a clear disavowal of that subject matter
35 U.S.C. § 112 Cited 7,421 times 1069 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
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."
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"