; (2) by adding after paragraph (5) the following: (6) At any time after the three-year period following the date of registration, if the registered mark has never been used in commerce on or in connection with some or all of the goods or services recited in the registration: ; and (3) in the flush left text, by inserting Nothing in paragraph (6) shall be construed to limit the timing applicable to any other ground for cancellation. A registration under sections 44(e) or 66 shall not be cancelled pursuant to paragraph (6) if the registrant demonstrates that any nonuse is due to special circumstances that excuse such nonuse. after identical certification mark is applied. . (c) Ex parte reexamination The Trademark Act of 1946 ( 15 U.S.C. 1066 ), as amended by subsection (a), is further amended by inserting after section 16A, the following new section: 16B. Ex parte reexamination (a) Petition for reexamination Any person may file a petition to reexamine a registration on the basis that the mark was not in use in commerce on or in connection with some or all of the goods or services recited in the registration on or before the relevant date. (b) Relevant date In this section, the term relevant date means, with respect to an application for the registration of a mark with an initial filing basis of— (1) section 1(a) and not amended at any point to be filed pursuant to section 1(b), the date on which the application was initially filed; or (2) section 1(b) or amended at any point to be filed pursuant to section 1(b), the date on which— (A) an amendment to allege use under section 1(c) was filed; or (B) the period for filing a statement of use under section 1(d) expired, including all approved extensions thereof. (c) Requirements for the petition The petition, together with any supporting documents, shall— (1) identify each registration at issue