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Ex Parte Liu

8 Cited authorities

  1. In re O'Farrell

    853 F.2d 894 (Fed. Cir. 1988)   Cited 167 times   9 Legal Analyses
    Finding patent obvious where the prior art provided a "reasonable expectation of success"

  2. In re Fulton

    391 F.3d 1195 (Fed. Cir. 2004)   Cited 81 times   8 Legal Analyses
    Holding that "a particular combination" need not "be the preferred, or the most desirable, combination described in the prior art in order to provide motivation"

  3. 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))

  4. Hotchkiss v. Greenwood

    52 U.S. 248 (1850)   Cited 75 times   4 Legal Analyses
    In Hotchkiss v. Greenwood, 11 How. 248, 52 U.S. 248, 13 L.Ed. 683 (1850), the Supreme Court, in one of its first expressions of this sentiment, said that if "that degree of skill and ingenuity which constitute essential elements of every invention" were absent, the improvement would be only the "work of the skilful mechanic, not that of the inventor."

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

    35 U.S.C. § 103   Cited 6,126 times   478 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."

  6. 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"

  7. 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

  8. Section 1.136 - 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)