§

Ex parte WEN et al.

08533640 (B.P.A.I. Jul. 30, 1998)
Ex parte WEN et al.

2 Cited authorities

  1. In re Gordon

    733 F.2d 900 (Fed. Cir. 1984)   Cited 31 times   2 Legal Analyses
    Finding that a modification which renders the invention inoperable for its intended purpose is not obvious because it teaches away from the invention

  2. Section 103 - Conditions for patentability; non-obvious subject matter

    35 U.S.C. § 103   Cited 6,129 times   479 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."