the applicant can directly go to the trademark bureau of the state administration for industry and commerce to apply for cancellation, or entrust a trademark agency to apply for cancellation. According to Article 18 of the Trademark Law, foreigners or foreign enterprises shall entrust an organization recognized by the state with the qualification of trademark agency. There is no need to pay any trademark fees for cancellation application. The applicant shall meet the following conditions when submitting an application for cancellation of the death/termination of the registrant to the Trademark Office: 1. The applicant must have a legal subject qualification and provide the corresponding identity certificate; Directly accepted, it shall also provide the identity certificate of the agent; 2. Submit an application that meets the requirements according to law; 3. Submit evidence materials about the death/termination of the registrant according to law; 4, entrust a trademark agency, submit a power of attorney; 5. Other conditions that must be met according to law. To sum up, the trademark may be cancelled because of the expiration of the trademark or the applicant's initiative. After the cancellation, the original owner of the trademark cannot continue to use it, otherwise it may be fined by the Industrial and Commercial Bureau or sued by other enterprises. Such behavior will be identified as fraudulent use of trademarks or trademark infringement. Trademark holders should pay attention to the expiration date of the trademark and apply for extension before that.