A registration of a mark hereunder shall be effective for a term of five years from the date of registration and, upon application filed within six months prior to the expiration of such term, in a manner complying with the requirements of the Commission, the registration may be renewed for a like term from the end of the expiring term. A renewal fee shall accompany the application for renewal of the registration.

A registration may be renewed for successive periods of five years in like manner.

Any registration in force on the date on which this chapter becomes effective shall continue in full force and effect for the unexpired term thereof and may be renewed for five years by filing with the Commission, within six months prior to the expiration of the registration, an application for renewal complying with the requirements of the Commission and paying the aforementioned renewal fee therefor.

All applications for renewal under this chapter, whether of registrations made under this chapter or of registrations effected under any prior law, shall include a verified statement that the mark has been and is still in use and include a specimen showing actual use of the mark on or in connection with the goods or services.