What is required to register a domain during the Sunrise Period? July 25, 2025 15:56 Updated You need a valid SMD (Signed Mark Data) file issued by the TMCH, which confirms your trademark has been verified. Related articles What happens if two trademark holders apply for the same domain during the Sunrise Period? Can I register any domain name during the Sunrise Period? What is the Trademark Clearinghouse (TMCH)?