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Ex Parte LANGGUTH et al

14607861 - (D) (P.T.A.B. May. 30, 2019)
Ex Parte LANGGUTH et al

12 Cited authorities

  1. KSR International Co. v. Teleflex Inc.

    550 U.S. 398 (2007)   Cited 1,523 times   180 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. Leo Pharm. Prods., Ltd. v. Rea

    726 F.3d 1346 (Fed. Cir. 2013)   Cited 72 times   11 Legal Analyses
    Holding no reason to improve upon the prior art when it was not "recognized or disclosed" in the prior art

  3. Bristol-Myers Squibb Co. v. Teva Pharmaceuticals USA, Inc.

    752 F.3d 967 (Fed. Cir. 2014)   Cited 55 times   4 Legal Analyses
    Finding no clear error in district court's fact finding that "entecavir's ‘effectiveness against hepatitis B without known toxicity issues’ was ‘not unexpected ,’ " and deferring to district court's finding that this was not sufficient evidence of nonobviousness

  4. In re Gurley

    27 F.3d 551 (Fed. Cir. 1994)   Cited 100 times   3 Legal Analyses
    Upholding obviousness finding where patent was directed to one of two alternative resins disclosed in prior art reference, even though reference described claimed resin as "inferior."

  5. In re Soni

    54 F.3d 746 (Fed. Cir. 1995)   Cited 90 times   2 Legal Analyses
    Finding "substantially improved results" to overcome obviousness when the 50-fold improvement in tensile strength was much greater than would have been predicted

  6. 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

  7. In re Harris

    409 F.3d 1339 (Fed. Cir. 2005)   Cited 14 times
    Holding that unexpected results require a difference in kind, not merely degree (citing In re Huang, 100 F.3d 135, 139 (Fed. Cir. 1996))

  8. Section 103 - Conditions for patentability; non-obvious subject matter

    35 U.S.C. § 103   Cited 6,066 times   464 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."

  9. Section 6 - Patent Trial and Appeal Board

    35 U.S.C. § 6   Cited 183 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 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

  12. 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)