(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

(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)

(a)Content of examiner's answer. The primary examiner may, within such time as may be directed by the Director, furnish a written answer to the appeal brief. (1) An examiner's answer is deemed to incorporate all of the grounds of rejection set forth in the Office action from which the appeal is taken (as modified by any advisory action and pre-appeal brief conference decision), unless the examiner's answer expressly indicates that a ground of rejection has been withdrawn. (2) An examiner's answer

(a)Timing. Any request to seek review of the primary examiner's failure to designate a rejection as a new ground of rejection in an examiner's answer must be by way of a petition to the Director under § 1.181 of this title filed within two months from the entry of the examiner's answer and before the filing of any reply brief. Failure of appellant to timely file such a petition will constitute a waiver of any arguments that a rejection must be designated as a new ground of rejection. (b)Petition