1. Article 44 of the "Trademark Law" If a registered trademark is obtained in violation of the provisions of Article 10, Article 10 or Article 12 hereof or by deception or other means, the Trademark Office shall declare the registration The trademark is invalid; its unit or the Trademark Review and Adjudication Committee may request the Trademark Review and Adjudication Board to declare the registered trademark to be ineffective. The Trademark Office shall notify the Trademark Office in writing of its decision to declare the registered trademark to be valid. The Trademark Review and Adjudication Board shall apply for review to the Trademark Review and Adjudication Board within fifteen years from receipt of the notice. A decision will be made within nine months from the date of application and a written notification will be made. Special circumstances require the approval of the Industrial and Commercial Administration Department of the State Council. The decision of the Trademark Review and Adjudication Board must be postponed to three months. Within 30 years from the date of receipt of the notice, the company should sue the unit before the People's Court or request the Trademark Review and Adjudication Board to make a declaration. Upon receipt of the application, the Trademark Review and Adjudication Committee shall notify the relevant parties in writing and submit a reply within a time limit. The Trademark Review and Adjudication Committee shall make a ruling to maintain the registered trademark or declare the registered trademark to be invalid within nine months from the date of receipt of the application, and shall notify the relevant parties in writing that special circumstances require an extension. The administrative department approved the postponement of the three-month decision of the Trademark Review and Adjudication Committee. The People's Court shall file a lawsuit with the People's Court within thirty years from receipt of the notice. The People's Court shall notify the third party of the trademark decision procedure and participate in the litigation. 2. Article 45 of the Trademark Law has already registered a trademark. Violate the provisions of Paragraph 3 of Paragraph 2 of Article 13, Paragraph 15 of Article 16, Paragraph 30 of Article 16, Article 30, Article 30 and Article 32 of this Article to obtain prior rights within five years from the date of trademark registration or Interested parties request the Trademark Review and Adjudication Board to declare that the registered trademark is invalid. There are five restrictions on the registration of well-known trademarks in bad faith. When the Trademark Review and Adjudication Board receives an application to declare a registered trademark to be invalid, it shall notify the interested parties in writing and submit a reply within a time limit. The Trademark Review and Adjudication Board shall within 12 months from the date of receipt of the application. If a ruling on maintaining a registered trademark or declaring a registered trademark invalid is made and a written notification is required, special circumstances may require the approval of the Industrial and Commercial Administration Department of the State Council, and the extension may be delayed for six months. The Trademark Review and Adjudication Committee shall file a lawsuit with the People's Court within 30 years from receipt of the notice. The People's Court shall notify The trademark adjudication procedure is a third party participating in the litigation. The Trademark Review and Adjudication Board's determination of the prior rights involved in the review process based on the request for declaration of validity as provided for in the preceding paragraph must be heard by a people's court or handled by an administrative agency. The case should be concluded based on the basis for the review to be terminated and the review process to be resumed. 3. Article 47 of the Trademark Law declares a registered trademark to be effective in accordance with the provisions of Articles 44 and 45 of this Article. The Trademark Office shall announce that the exclusive right to use the registered trademark shall be deemed to have existed from the beginning. Before the decision or ruling declaring the registered trademark to be effective, the civil court has made and implemented a judgment, ruling, or mediation in a trademark infringement case, and the industrial and commercial administrative department has made and implemented a decision to handle the trademark infringement case, and the trademark transfer or use license has been performed, which is retroactive. Losses caused by trademark registration in bad faith should be compensated. In accordance with the provisions of the preceding paragraph, compensation for trademark infringement, trademark transfer fees, and trademark usage fees that clearly violate the principle of fairness shall be refunded in whole or in part. To sum up, a trademark is the symbol of an enterprise, and uniqueness is an important characteristic of a trademark. It is also the legal basis to ensure that an enterprise's products are not illegally pirated. Once an infringement of trademark rights occurs, the enterprise must safeguard its rights and interests in a timely manner and report to the trademark owner. Relevant departments made a declaration and requested compensation for losses. In order to ensure the normal use of the trademark, the enterprise must promptly apply to the trademark management department for cancellation after the trademark is declared invalid to ensure the normal use of the trademark.