(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)Application data sheet. An application data sheet is a sheet or sheets that may be submitted in a provisional application under 35 U.S.C. 111(b) , a nonprovisional application under 35 U.S.C. 111(a) , a nonprovisional international design application, or a national stage application under 35 U.S.C. 371 and must be submitted when required by § 1.55 or 1.78 to claim priority to or the benefit of a prior-filed application under 35 U.S.C. 119 , 120 , 121 , 365 , or 386 . An application data sheet
(a) The word "applicant" when used in this title refers to the inventor or all of the joint inventors, or to the person applying for a patent as provided in §§ 1.43 , 1.45 , or 1.46 . (b) If a person is applying for a patent as provided in § 1.46 , the word "applicant" refers to the assignee, the person to whom the inventor is under an obligation to assign the invention, or the person who otherwise shows sufficient proprietary interest in the matter, who is applying for a patent under § 1.46 and