Ex parte Nortrup

2 Cited authorities

  1. St. Regis Paper Co. v. Bemis Co., Inc.

    549 F.2d 833 (7th Cir. 1977)   Cited 21 times

    No. 76-1044. Heard June 16, 1976. Decided February 3, 1977. Rehearing and Rehearing En Banc Denied March 17, 1977. Irving Powers, John K. Roedel, Jr. St. Louis, Mo., for appellant. Raymond J. McElhannon, Norman H. Zivin, Clyde H. Haynes, New York City, William T. Rifkin, Chicago, Ill., for appellee. Appeal from the United States District Court for the Southern District of Illinois. Before SWYGERT, CUMMINGS and PELL, Circuit Judges. SWYGERT, Circuit Judge. The outcome of this appeal turns on the validity

  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."