15 U.S.C. § 1141k: Duration, affidavits and fees

Within the 1-year period immediately preceding the expiration of 6 years following the date of issuance of the certificate of extension of protection. Within the 1-year period immediately preceding the expiration of 10 years following the date of issuance of the certificate of extension of protection, and each successive 10-year period following the date of issuance of the certificate of extension of protection. The holder may file the affidavit required under this section within a grace period of 6 months after the end of the applicable time period established in paragraph (1) or (2), together with the fee described in subsection (b) and the additional grace period surcharge prescribed by the Director. state that the mark is in use in commerce; set forth the goods and services recited in the extension of protection on or in connection with which the mark is in use in commerce; be accompanied by such number of specimens or facsimiles showing current use of the mark in commerce as may be required by the Director; and be accompanied by the fee prescribed by the Director; or set forth the goods and services recited in the extension of protection on or in connection with which the mark is not in use in commerce; include a showing that any nonuse is due to special circumstances which excuse such nonuse and is not due to any intention to abandon the mark; and be accompanied by the fee prescribed by the Director. If any submission filed within the period set forth in subsection (a) is deficient, including that the affidavit was not filed in the name of the holder of the international registration, the deficiency may be corrected after the statutory time period, within the time prescribed after notification of the deficiency. Such submission shall be accompanied by the additional deficiency surcharge prescribed by the Director. Special notice of the requirement for such affidavit shall be attached to each certificate of extension of protection. The Director shall notify the holder of the international registration who files any affidavit required by this section of the Director’s acceptance or refusal thereof and, in the case of a refusal, the reasons therefor. If the holder of the international registration of the mark is not domiciled in the United States, the holder may designate, by a document filed in the United States Patent and Trademark Office, the name and address of a person resident in the United States on whom may be served notices or process in proceedings affecting the mark. Such notices or process may be served upon the person so designated by leaving with that person or mailing to that person a copy thereof at the address specified in the last designation so filed. If the person so designated cannot be found at the last designated address, or if the holder does not designate by a document filed in the United States Patent and Trademark Office the name and address of a person resident in the United States on whom may be served notices or process in proceedings affecting the mark, such notices or process may be served on the Director.