(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) The Patent Trial and Appeal Board, in its decision, may affirm or reverse each decision of the examiner on all issues raised on each appealed claim, or remand the reexamination proceeding to the examiner for further consideration. The reversal of the examiner's determination not to make a rejection proposed by the third party requester constitutes a decision adverse to the patentability of the claims which are subject to that proposed rejection which will be set forth in the decision of the Patent
(a) Parties to the appeal may file a request for rehearing of the decision within one month of the date of: (1) The original decision of the Board under § 41.77(a) , (2) The original § 41.77(b) decision under the provisions of § 41.77(b)(2) , (3) The expiration of the time for the owner to take action under § 41.77(b)(2) , or (4) The new decision of the Board under § 41.77(f) . (b) (1) The request for rehearing must state with particularity the points believed to have been misapprehended or overlooked
(a) The form of responses, written comments, briefs, appendices, and other papers must be in accordance with the requirements of § 1.52 . (b) Responses by the patent owner and written comments by the third party requester shall not exceed 50 pages in length, excluding amendments, appendices of claims, and reference materials such as prior art references. (c) Appellant's briefs filed by the patent owner and the third party requester shall not exceed thirty pages or 14,000 words in length, excluding