(a) Examination and opposition (1) A request for extension of protection described in section 1141f(a) of this title shall be examined as an application for registration on the Principal Register under this chapter, and if on such examination it appears that the applicant is entitled to extension of protection under this subchapter, the Director shall cause the mark to be published in the Official Gazette of the United States Patent and Trademark Office. (2) Subject to the provisions of subsection
(a) (1) An appeal filed under the provisions of § 2.141(a) from the final refusal of an application must be filed within the time provided in § 2.62(a) . (2) An appeal filed under the provisions of § 2.141(b) from an expungement or reexamination proceeding must be filed within three months from the issue date of the final Office action. (3) An appeal is taken by filing a notice of appeal, as prescribed in § 2.126 , and paying the appeal fee. (b) (1) The brief of appellant shall be filed within sixty