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Weatherford Technology Holdings, LLC

2021004241 (P.T.A.B. Mar. 18, 2022)
Weatherford Technology Holdings, LLC

10 Cited authorities

  1. Depuy Spine, Inc. v. Medtronic Sofamor Danek

    567 F.3d 1314 (Fed. Cir. 2009)   Cited 262 times   7 Legal Analyses
    Holding that the first prong was not met when “the record developed in the infringement proceeding ..., show[ed] that the question of equivalence was a close one,” particularly in light of the intensely factual inquiry involved in the doctrine of equivalents analysis

  2. Galderma Labs., L.P. v. Tolmar, Inc.

    737 F.3d 731 (Fed. Cir. 2014)   Cited 73 times   7 Legal Analyses
    Holding where the claimed value fell within prior art range, burden of production switched to the party opposing the obviousness challenge, while burden of proof remanded with challenger

  3. 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"

  4. In re De Blauwe

    736 F.2d 699 (Fed. Cir. 1984)   Cited 49 times   1 Legal Analyses

    Appeal No. 84-513. June 8, 1984. Jeffrey G. Sheldon, Pasadena, Cal., argued for appellants. John F. Pitrelli, Arlington, Va., argued for appellee. With him on the brief were Joseph F. Nakamura, Sol., and John W. Dewhirst, Associate Sol., Washington, D.C. Appeal from the United States Patent and Trademark Office Board of Appeals. Before BENNETT, Circuit Judge, SKELTON, Senior Circuit Judge, and MILLER, Circuit Judge. JACK R. MILLER, Circuit Judge. This appeal is from that part of the decision of the

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

    35 U.S.C. § 103   Cited 6,133 times   479 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 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

  9. 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)

  10. Section 1.42 - Applicant for patent

    37 C.F.R. § 1.42   1 Legal Analyses

    (a) The word "applicant" when used in this title refers to the inventor or all of the joint inventors, or to the person applying for a patent as provided in §§ 1.43 , 1.45 , or 1.46 . (b) If a person is applying for a patent as provided in § 1.46 , the word "applicant" refers to the assignee, the person to whom the inventor is under an obligation to assign the invention, or the person who otherwise shows sufficient proprietary interest in the matter, who is applying for a patent under § 1.46 and