It usually takes one and a half to two years for a trademark to become invalid. If other units or individuals request the Trademark Review and Adjudication Board to declare a registered trademark invalid due to violation of Articles 10, 11, and 12 of the Trademark Law, the Trademark Review and Adjudication Board will, after receiving the application, notify the relevant parties in writing within a time limit. reply. The Trademark Review and Adjudication Board shall make a ruling to maintain the registered trademark or declare the registered trademark invalid within nine months from the date of receipt of the application, and notify the parties in writing. If there are special circumstances that require an extension, it can be extended for three months with the approval of the industrial and commercial administration department of the State Council. If the party concerned is dissatisfied with the ruling of the Trademark Review and Adjudication Board, it may file a lawsuit with the People's Court within 30 days from the date of receipt of the notice. Violate the provisions of paragraph 2 and paragraph 3 of Article 13, Article 15, paragraph 1 of Article 16, Article 30, Article 31 and Article 32, the prior rights holder or interested party shall If a relevant party files for invalidation, the Trademark Review and Adjudication Board will, after receiving the application to declare the registered trademark invalid, notify the relevant party in writing to respond within a time limit. The Trademark Review and Adjudication Board shall make a ruling within twelve months from the date of receipt of the application and notify the parties in writing. If there are special circumstances that require an extension, it can be extended for six months. If the party concerned is dissatisfied with the ruling, it may file a lawsuit with the People's Court within 30 days from the date of receipt of the notice. A registered trademark under Article 45 of the Trademark Law of the People's Republic of China violates paragraphs 2 and 3 of Article 13, Article 15, Paragraph 1 of Article 16 and Article 16 of this Law. As stipulated in Articles 30, 31, and 32, within five years from the date of trademark registration, the prior right holder or interested party may request the Trademark Review and Adjudication Board to declare the registered trademark invalid. For cases registered in bad faith, the owner of a well-known trademark is not subject to the five-year time limit. After receiving an application to declare a registered trademark invalid, the Trademark Review and Adjudication Board shall notify the relevant parties in writing and file a reply within a time limit. The Trademark Review and Adjudication Board shall make a ruling to maintain the registered trademark or declare the registered trademark invalid within twelve months from the date of receipt of the application, and notify the parties in writing. If there are special circumstances that require an extension, it can be extended for six months with the approval of the industrial and commercial administration department of the State Council. If the party concerned is dissatisfied with the ruling of the Trademark Review and Adjudication Board, it may file a lawsuit with the People's Court within thirty days from the date of receipt of the notice. The people's court shall notify the other party in the trademark adjudication procedure to participate in the litigation as a third party. When the Trademark Review and Adjudication Board is reviewing a request for invalidation in accordance with the provisions of the preceding paragraph, if the determination of the prior rights involved must be based on the outcome of another case that is being heard by the people's court or is being handled by the administrative agency, the review may be suspended. . After the reasons for the suspension are eliminated, the review process should be resumed.