Sai Shankar. Nandagopalan

34 Cited authorities

  1. KSR International Co. v. Teleflex Inc.

    550 U.S. 398 (2007)   Cited 1,551 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. Cross Med Prod v. Medtronic Sofamor Danek

    424 F.3d 1293 (Fed. Cir. 2005)   Cited 356 times   4 Legal Analyses
    Holding that there can be no direct infringement of a product claim where surgeons, and not the defendant, made the claimed apparatus in the operating room, and remanding to determine whether the surgeons directly infringed such that Medtronic could be held liable for indirect infringement
  3. Vas-Cath Inc. v. Mahurkar

    935 F.2d 1555 (Fed. Cir. 1991)   Cited 395 times   3 Legal Analyses
    Holding construction of § 112, ¶ 1 requires separate written description and enablement requirements
  4. Lockwood v. American Airlines, Inc.

    107 F.3d 1565 (Fed. Cir. 1997)   Cited 304 times   6 Legal Analyses
    Holding that "[e]ach application in the chain must describe the claimed features" and that if "one of the intervening applications does not describe" the subject matter, the later application cannot claim the benefit of the earlier application
  5. In re Kahn

    441 F.3d 977 (Fed. Cir. 2006)   Cited 145 times   11 Legal Analyses
    Holding that the motivation-suggestion-teaching test, much like the analogous-art test, is used to defend against hindsight
  6. Perfect Web Technologies, Inc. v. InfoUSA, Inc.

    587 F.3d 1324 (Fed. Cir. 2009)   Cited 115 times   12 Legal Analyses
    Holding that “an analysis of obviousness ... may include recourse to logic, judgment, and common sense available to the person of ordinary skill [which] do[es] not necessarily require explication in any reference or expert opinion”
  7. Nat'l Steel Car, Ltd. v. Canadian Pac. Ry., Ltd.

    357 F.3d 1319 (Fed. Cir. 2004)   Cited 128 times   1 Legal Analyses
    Holding that evidence need not reach the level of prior art to be considered for motivation to combine
  8. Leapfrog v. Fisher-Price

    485 F.3d 1157 (Fed. Cir. 2007)   Cited 90 times   5 Legal Analyses
    Holding that the objective considerations of nonobviousness presented, including substantial evidence of commercial success, praise, and long-felt need, were inadequate to overcome a strong showing of primary considerations that rendered the claims at issue invalid
  9. Dillon v. Manbeck

    500 U.S. 904 (1991)   Cited 34 times

    No. 90-1264. April 29, 1991, OCTOBER TERM, 1990. C.A. Fed. Cir. Certiorari denied. Reported below: 919 F. 2d 688.

  10. In re Bigio

    381 F.3d 1320 (Fed. Cir. 2004)   Cited 71 times   10 Legal Analyses
    Affirming conclusion that toothbrush and small hair brush were in same field of endeavor because "the structural similarities between toothbrushes and small brushes for hair would have led one of ordinary skill in the art working in the specific field of hairbrushes to consider all similar brushes including toothbrushes"
  11. Section 112 - Specification

    35 U.S.C. § 112   Cited 7,374 times   1046 Legal Analyses
    Requiring patent applications to include a "specification" that provides, among other information, a written description of the invention and of the manner and process of making and using it
  12. 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."
  13. 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"
  14. 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

  15. Section 41.50 - Decisions and other actions by the Board

    37 C.F.R. § 41.50   Cited 34 times   30 Legal Analyses
    Requiring petitioners to raise the Board's failure to designate a new ground of rejection in a timely request for rehearing
  16. 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)

  17. Section 41.41 - Reply brief

    37 C.F.R. § 41.41   Cited 8 times   25 Legal Analyses

    (a)Timing. Appellant may file only a single reply brief to an examiner's answer within the later of two months from the date of either the examiner's answer, or a decision refusing to grant a petition under § 1.181 of this title to designate a new ground of rejection in an examiner's answer. (b)Content. (1) A reply brief shall not include any new or non-admitted amendment, or any new or non-admitted affidavit or other Evidence. See § 1.116 of this title for amendments, affidavits or other evidence

  18. 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