Ex Parte Katiyar

9 Cited authorities

  1. In re Wands

    858 F.2d 731 (Fed. Cir. 1988)   Cited 345 times   43 Legal Analyses
    Holding that whether undue experimentation is required is a "conclusion reached by weighing many factual considerations. . . . includ[ing] the quantity of experimentation necessary, the amount of direction or guidance presented, the presence or absence of working examples, the nature of the invention, the state of the prior art, the relative skill of those in the art, the predictability or unpredictability of the art, and the breadth of the claims."
  2. Takeda Chemical v. Alphapharm

    492 F.3d 1350 (Fed. Cir. 2007)   Cited 154 times   5 Legal Analyses
    Holding the invention not obvious to try because the prior art disclosed a broad selection of compounds that an ordinarily skilled artisan could have selected for further investigation
  3. In re Wright

    999 F.2d 1557 (Fed. Cir. 1993)   Cited 91 times   5 Legal Analyses
    Relying on art published five years after filing date to show what was "sufficiently unpredictable" as of filing date
  4. In re Oetiker

    977 F.2d 1443 (Fed. Cir. 1992)   Cited 66 times   9 Legal Analyses
    Reversing for "improperly combined" references, because "[i]f examination at the initial stage does not produce a prima facie case of unpatentability, then without more the applicant is entitled to grant of the patent"
  5. In re Baird

    16 F.3d 380 (Fed. Cir. 1994)   Cited 27 times
    Holding that obviousness had not been shown based on a single reference because the PTO had not demonstrated motivation to select claimed species from prior genus of millions of compounds
  6. Section 112 - Specification

    35 U.S.C. § 112   Cited 7,413 times   1065 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
  7. Section 103 - Conditions for patentability; non-obvious subject matter

    35 U.S.C. § 103   Cited 6,166 times   492 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."
  8. Section 6 - Patent Trial and Appeal Board

    35 U.S.C. § 6   Cited 188 times   63 Legal Analyses
    Giving the Director authority to designate "at least 3 members of the Patent Trial and Appeal Board" to review "[e]ach appeal, derivation proceeding, post-grant review, and inter partes review"
  9. Section 134 - Appeal to the Patent Trial and Appeal Board

    35 U.S.C. § 134   Cited 98 times   30 Legal Analyses

    (a) PATENT APPLICANT.-An applicant for a patent, any of whose claims has been twice rejected, may appeal from the decision of the primary examiner to the Patent Trial and Appeal Board, having once paid the fee for such appeal. (b) PATENT OWNER.-A patent owner in a reexamination may appeal from the final rejection of any claim by the primary examiner to the Patent Trial and Appeal Board, having once paid the fee for such appeal. 35 U.S.C. § 134 July 19, 1952, ch. 950, 66 Stat. 801; Pub. L. 98-622