Trademark withdrawal refers to a trademark that has been successfully registered (that is, a trademark registration certificate has been legally obtained) in accordance with the provisions of Article 44 (4) of the Trademark Law of the People's Republic of China. The trademark was not used for three consecutive years and was notified of cancellation. However, under normal circumstances, the National Trademark Office will not issue a notice of withdrawal of a registered trademark on its own, and applications are usually filed by other companies or individuals (mostly competitors of the trademark). After the application is accepted, a "Notice on Providing Evidence of Use of the Registered Trademark" will be issued to the trademark registrant whose trademark is proposed to be withdrawn. The trademark withdrawal defense means that after receiving the "Notice on Providing Evidence of Use of a Registered Trademark" issued by the trademark registrant, refer to the "Instructions for Providing Evidence of Use of a Registered Trademark" on the back of the notice, and submit it within two months to the company that has filed the trademark in the past three years. Evidence of the use of the trademark on protected goods, or proof of legitimate reasons for non-use. At the same time, the "Notice on Providing Evidence of Use of Registered Trademarks" needs to be returned. Submitted for adjudication. If the following circumstances occur, it will be deemed to be automatically abandoned, and the trademark will be automatically revoked and become invalid. 1. Failure to provide evidence of use after the expiration date; 2. The evidence of use provided is false or invalid; 3. Failure to provide evidence of non-use beyond the expiration date. Materials required for the three-year use defense of trademark cancellation: a copy of the business license and ID card, the original "Notice on Providing Evidence of Use of Registered Trademarks" and an envelope, and evidence materials that can prove the facts and reasons stated by the respondent applying for cancellation of the trademark ( Including: pictures or related materials of trademark use, trademark printing, production and sales of trademark products, trademark product transaction documents, trademark use license contracts, trademark product promotion evidence, etc. List of evidence materials, provided by the agency). Cancellation of the "Application for Cancellation of Suspension of Use of a Registered Trademark for Three Consecutive Years" and "Trademark Agency Power of Attorney" signed by the trademark applicant, and "Reply for Cancellation of Suspension of Use of a Registered Trademark for Three Consecutive Three Years" and "Trademark Agency" signed by the respondent Power of Attorney" (provided by the agency) Procedures: The respondent and the agency sign the "Agency Contract" for payment. The respondent submits relevant information and signs the "Trademark Agency Power of Attorney". The agency prepares standard documents and submits them to the State Trademark Office for national trademarks. The Trademark Office shall make a decision (if the party concerned is dissatisfied with the decision made by the Trademark Office, he may apply to the Trademark Review and Adjudication Board for review within 15 days from the date of receipt of the revocation decision).