Ex parte Valiulis

3 Cited authorities

  1. Stratoflex, Inc. v. Aeroquip Corp.

    713 F.2d 1530 (Fed. Cir. 1983)   Cited 483 times   12 Legal Analyses
    Finding evidence of nonobviousness in the "[r]ecognition and acceptance of patent by competitors who take licenses under it"
  2. In re Piasecki

    745 F.2d 1468 (Fed. Cir. 1984)   Cited 73 times   2 Legal Analyses
    Finding nonobviousness where the evidence demonstrated a failure of others to provide a feasible solution to a longstanding problem
  3. Section 103 - Conditions for patentability; non-obvious subject matter

    35 U.S.C. § 103   Cited 6,174 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."