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Ex Parte Hosaka

08093983 (B.P.A.I. May. 31, 2001)
Ex Parte Hosaka

9 Cited authorities

  1. 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"

  2. 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

  3. 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

  4. In re Keller

    642 F.2d 413 (C.C.P.A. 1981)   Cited 47 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"

  5. 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

  6. In re Hedges

    783 F.2d 1038 (Fed. Cir. 1986)   Cited 16 times   1 Legal Analyses
    Proceeding against accepted wisdom is evidence of unobviousness

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

    35 U.S.C. § 103   Cited 6,174 times   493 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 1.192-1.196 - Reserved

    37 C.F.R. § 1.192-1.196   Cited 20 times   4 Legal Analyses
    Requiring "a statement . . . that the claims of the group do not stand or fall together," and an explanation "why the claims of the group are believed to be separately patentable"

  9. 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)