S.C. Code Ann. § 39-15-1130: Effective period, registration of mark; renewal.

(A) A registration of a mark is effective for five years from the date of registration, and upon application filed within six months before the expiration of the registration in a manner complying with the requirements of the secretary, the registration may be renewed for five years. A renewal fee payable to the secretary shall accompany the application for renewal of the registration. A registration may be renewed for successive periods of five years as provided for in this subsection.

(B) An application for renewal under this article, whether of a registration made under this article or of a registration effected under any prior law, shall include a verified statement that the mark has been and is still in use and a specimen showing actual use of the mark on or in connection with the goods or services.