Ex parte Prengle et al.

5 Cited authorities

  1. Kropa v. Robie

    187 F.2d 150 (C.C.P.A. 1951)   Cited 112 times   1 Legal Analyses
    Holding that preamble term "abrasive article" was "essential to point out the invention defined by the counts"
  2. Section 112 - Specification

    35 U.S.C. § 112   Cited 7,363 times   1046 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
  3. Section 103 - Conditions for patentability; non-obvious subject matter

    35 U.S.C. § 103   Cited 6,130 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."
  4. Section 102 - Conditions for patentability; novelty

    35 U.S.C. § 102   Cited 5,997 times   1001 Legal Analyses
    Prohibiting the grant of a patent to one who "did not himself invent the subject matter sought to be patented"
  5. Section 1.136 - Extensions of time

    37 C.F.R. § 1.136   Cited 17 times   30 Legal Analyses

    (a) (1) If an applicant is required to reply within a nonstatutory or shortened statutory time period, applicant may extend the time period for reply up to the earlier of the expiration of any maximum period set by statute or five months after the time period set for reply, if a petition for an extension of time and the fee set in § 1.17(a) are filed, unless: (i) Applicant is notified otherwise in an Office action; (ii) The reply is a reply brief submitted pursuant to § 41.41 of this title; (iii)