According to the current provisions of Article 41 of the Trademark Law: “If a registered trademark needs to change the name, address or other registration matters of the registrant, a change application shall be submitted.” Change of trademark refers to change of registration The registrant, registered address or other matters of the trademark. If the applicant changes its name, address, agent, or deletes the designated goods, it may go through the change procedures with the Trademark Office. If you want to change the text or graphics of a registered trademark, you must resubmit a trademark registration application and it will be treated as a new trademark application and cannot be called a trademark change. Trademark renewal refers to a system whereby the registered trademark owner goes through certain procedures in accordance with the law to extend the validity period of his registered trademark within a period of ten years before the expiration of the trademark registration. According to the Trademark Law revised in 2013, Article 40 Registered Trademark If the validity period expires and the trademark registrant needs to continue to use it, the trademark registrant shall handle the renewal procedures in accordance with the regulations within twelve months before the expiration; if it fails to handle the renewal during this period, a six-month extension period may be granted. Each renewal of registration is valid for ten years, starting from the day after the expiration of the previous term of validity of the trademark. If renewal procedures are not completed upon expiration, the registered trademark will be cancelled. It can be seen from the above that additional services are not involved during trademark changes or trademark renewals. For a registered trademark, you cannot add products, you can only apply to reduce it. To apply to add products, you need to re-apply to the Trademark Office for trademark registration, which means re-registering a new trademark.