Ex Parte Enfield

11 Cited authorities

  1. KSR International Co. v. Teleflex Inc.

    550 U.S. 398 (2007)   Cited 1,555 times   185 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. Ethicon, Inc. v. Quigg

    849 F.2d 1422 (Fed. Cir. 1988)   Cited 662 times   5 Legal Analyses
    Holding the Board may not indefinitely stay an ex parte reexamination in light of parallel district court litigation via the "special dispatch" standard
  3. In re Merck Co., Inc.

    800 F.2d 1091 (Fed. Cir. 1986)   Cited 70 times   2 Legal Analyses
    Holding that a person of skill in the art would have expected amitriptyline to resemble imipramine in the alleviation of depression in humans because of the drugs’ close structural similarity and similar use
  4. 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
  5. In re Kumar

    418 F.3d 1361 (Fed. Cir. 2005)   Cited 35 times   2 Legal Analyses
    Finding that a new ground of rejection exists when the Board relies on new fact findings which had not been previously advanced by the examiner about an existing prior art reference
  6. Application of Rinehart

    531 F.2d 1048 (C.C.P.A. 1976)   Cited 45 times
    Considering the problem to be solved in a determination of obviousness
  7. Section 103 - Conditions for patentability; non-obvious subject matter

    35 U.S.C. § 103   Cited 6,141 times   481 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 132 - Notice of rejection; reexamination

    35 U.S.C. § 132   Cited 310 times   47 Legal Analyses
    Prohibiting addition of "new matter"
  9. Section 6 - Patent Trial and Appeal Board

    35 U.S.C. § 6   Cited 186 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"
  10. 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

  11. Section 1.136 - [Effective until 1/19/2025] 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)