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
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
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.
35 U.S.C. § 103 Cited 6,154 times 485 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"