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Ex Parte Ahn

9 Cited authorities

  1. Phillips v. AWH Corp.

    415 F.3d 1303 (Fed. Cir. 2005)   Cited 5,889 times   170 Legal Analyses
    Holding that "because extrinsic evidence can help educate the court regarding the field of the invention and can help the court determine what a person of ordinary skill in the art would understand claim terms to mean, it is permissible for the district court in its sound discretion to admit and use such evidence"

  2. Markman v. Westview Instruments, Inc.

    52 F.3d 967 (Fed. Cir. 1995)   Cited 5,227 times   12 Legal Analyses
    Holding that inventor testimony as to "[t]he subjective intent of the inventor when he used a particular term is of little or no probative weight in determining the scope of a claim (except as documented in the prosecution history)."

  3. Vitronics Corporation v. Conceptronic, Inc.

    90 F.3d 1576 (Fed. Cir. 1996)   Cited 4,398 times   10 Legal Analyses
    Holding that a claim construction that excludes the preferred embodiment is "rarely, if ever, correct and would require highly persuasive evidentiary support"

  4. Comark Communications v. Harris Corp.

    156 F.3d 1182 (Fed. Cir. 1998)   Cited 1,196 times
    Holding the "doctrine of claim differentiation create a presumption that each claim in a patent has a different scope"

  5. In re Am. Academy of Science Tech Ctr.

    367 F.3d 1359 (Fed. Cir. 2004)   Cited 90 times   2 Legal Analyses
    Holding that descriptions of deficiencies of using mainframe computers set out in the "Background of the Invention" portion of the specification did not exclude mainframes from the definition of "'user computer'" where the "specification as a whole" did not express a clear disavowal of that subject matter

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

    35 U.S.C. § 103   Cited 6,172 times   492 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."

  7. Section 102 - Conditions for patentability; novelty

    35 U.S.C. § 102   Cited 6,032 times   1028 Legal Analyses
    Prohibiting the grant of a patent to one who "did not himself invent the subject matter sought to be patented"

  8. Section 6 - Patent Trial and Appeal Board

    35 U.S.C. § 6   Cited 188 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"

  9. Section 134 - Appeal to the Patent Trial and Appeal Board

    35 U.S.C. § 134   Cited 99 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