The holder of an international registration with a request for an extension of protection to the United States shall be entitled to claim a date of priority based on a right of priority within the meaning of Article 4 of the Paris Convention for the Protection of Industrial Property if- (1) the request for extension of protection contains a claim of priority; and (2) the date of international registration or the date of the recordal of the request for extension of protection to the United States
(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