Ex Parte Zheng et al

20 Cited authorities

  1. KSR International Co. v. Teleflex Inc.

    550 U.S. 398 (2007)   Cited 1,519 times   169 Legal Analyses
    Holding that, in an obviousness analysis, "[r]igid preventative rules that deny factfinders recourse to common sense, however, are neither necessary under our case law nor consistent with it"
  2. In re Wands

    858 F.2d 731 (Fed. Cir. 1988)   Cited 333 times   41 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."
  3. Atlas Powder Co. v. E.I. du Pont De Nemours & Co.

    750 F.2d 1569 (Fed. Cir. 1984)   Cited 240 times   6 Legal Analyses
    Finding of enablement is not precluded even if some experimentation is necessary, although the amount of experimentation needed must not be unduly extensive
  4. In re Wright

    999 F.2d 1557 (Fed. Cir. 1993)   Cited 90 times   5 Legal Analyses
    Relying on art published five years after filing date to show what was "sufficiently unpredictable" as of filing date
  5. In re Dillon

    919 F.2d 688 (Fed. Cir. 1990)   Cited 69 times   6 Legal Analyses
    Finding a prima facie case of obviousness where the prior art tri-orthoester compound was found to be equivalent to the claimed tetra-orthoester compound and the use of the tri-orthoester as a fuel additive was expected to produce essentially the same result as the use of the tetra-orthoester
  6. In re Beattie

    974 F.2d 1309 (Fed. Cir. 1992)   Cited 60 times   2 Legal Analyses
    Holding that an alternative to a well-entrenched theory does not preclude a finding of obviousness because the recommendation of a new system "does not require obliteration of another"
  7. Marley Mouldings v. Mikron Industries

    417 F.3d 1356 (Fed. Cir. 2005)   Cited 24 times
    Reversing a district court's finding of indefiniteness when “persons of experience in the field” would understand how to convert measurements to those units claimed in the patent, which was really a question of infringement
  8. In re Keller

    642 F.2d 413 (C.C.P.A. 1981)   Cited 43 times   1 Legal Analyses
    Stating "[t]he test for obviousness is not whether the features of a secondary reference may be bodily incorporated into the structure of the primary reference"
  9. Application of Borkowski

    422 F.2d 904 (C.C.P.A. 1970)   Cited 52 times   1 Legal Analyses
    Noting that a claim of clear scope that is not adequately supported by an enabling disclosure commensurate with that scope is objectionable under § 112, ¶ 1, not § 112, ¶ 2
  10. Application of Moore

    439 F.2d 1232 (C.C.P.A. 1971)   Cited 46 times
    Noting that the question is whether the scope of enablement conveyed by the disclosure to a person of ordinary skill in the art is commensurate with the scope of protection taught by the claims
  11. Section 112 - Specification

    35 U.S.C. § 112   Cited 7,278 times   1023 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
  12. Section 103 - Conditions for patentability; non-obvious subject matter

    35 U.S.C. § 103   Cited 6,056 times   448 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."
  13. Section 6 - Patent Trial and Appeal Board

    35 U.S.C. § 6   Cited 182 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"
  14. 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

  15. Section 41.37 - Appeal brief

    37 C.F.R. § 41.37   Cited 32 times   25 Legal Analyses
    Requiring identification of support in specification and, for means-plus-function limitations, corresponding structure as well
  16. Section 1.136 - Extensions of time

    37 C.F.R. § 1.136   Cited 15 times   28 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)