What is a trademark digital certificate? Trademark digital certificates are required by trademark agencies to become users of the Trademark Office’s online trademark application system. The Identity Authentication Center of the State Administration for Industry and Commerce’s Government Affairs Extranet (hereinafter referred to as the CA Center) is responsible for review and issuance. In order to ensure the use of online applications User identity authentication proof that the system can correctly identify the entity's identity when exchanging interconnected information. If a trademark agency wants to become a user of the Trademark Office's online trademark application system, it must first apply for a "trademark digital certificate" and then log in to the online application system to act as an agent for online trademark application business. In principle, a trademark agency can only apply for one digital certificate. Non-trademark agencies can directly log in to the Trademark Office's online trademark application system to submit trademark applications without applying for a "trademark digital certificate". Tip: To apply for a trademark digital certificate, please go to the official website of the Trademark Office and download it. Digital certificate