2017-2465 12-28-2018 IN RE: MARCO GULDENAAR HOLDING B.V., Appellant Christian D. Ehret, The Webb Law Firm, Pittsburgh, PA, argued for appellant. Also represented by Nathan J. Prepelka. Mary L. Kelly, Office of the Solicitor, United States Patent and Trademark Office, Alexandria, VA, argued for appellee Andrei Iancu. Also represented by Thomas W. Krause, Coke Morgan Stewart, Philip J. Warrick. Chen, Circuit Judge. Christian D. Ehret, The Webb Law Firm, Pittsburgh, PA, argued for appellant. Also represented
(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