(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) In the course of examining or treating a matter in a pending or abandoned application, in a patent, or in a reexamination proceeding, including a reexamination proceeding ordered as a result of a supplemental examination proceeding, the examiner or other Office employee may require the submission, from individuals identified under § 1.56(c) , or any assignee, of such information as may be reasonably necessary to properly examine or treat the matter, for example: (i)Commercial databases: The