(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)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brief conference decision), unless the examiner's answer expressly indicates that a ground of rejection has been withdrawn.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) Petition may be taken to the Director in a trademark case: (1) From any repeated or final formal requirement of the examiner in the ex parte prosecution of an application if permitted by § 2.63(a) and (b) ; (2) In any case for which the Act of 1946, Title 35 of the United States Code, or parts 2, 3, 6, and 7 of Title 37 of the Code of Federal Regulations specifies that the matter is to be determined directly or reviewed by the Director; (3) To invoke the supervisory authority of the Director