1. Trademarks that have been registered for absolute reasons may be declared invalid if they do not have visibility, distinctiveness and legitimacy. In addition, "obtaining registration by deception or other improper means" is also a reason why the trademark is invalid. 2. Relative reasons constitute that trademark rights are relatively invalid because trademark rights conflict with prior rights or other legitimate rights and interests. Mainly includes: invalid because of conflict with others' prior rights; It is invalid because it infringes on the rights of other people's well-known trademarks; Invalid because others have not registered a trademark; Invalid due to violation of agency or representative regulations. Article 44 of the Trademark Law stipulates that if a registered trademark violates the provisions of Articles 10, 11 and 12 of this Law, or is registered by deception or other improper means, the Trademark Office shall declare the registered trademark invalid; Other units or individuals may request the Trademark Review and Adjudication Board to declare the registered trademark invalid.
Legal objectivity:
Upon the expiration of Article 46 of the Trademark Law of People's Republic of China (PRC), if the parties concerned do not apply for reexamination of the Trademark Office's decision to declare a registered trademark invalid, or do not bring a suit in a people's court against the reexamination decision of the Trademark Review and Adjudication Board, the ruling of the Trademark Review and Adjudication Board or the reexamination decision or ruling of the Trademark Review and Adjudication Board to declare a registered trademark invalid, the ruling of the Trademark Office will take effect. Article 47 of the Trademark Law of People's Republic of China (PRC) If a registered trademark is declared invalid in accordance with the provisions of Articles 44 and 45 of this Law, it shall be announced by the Trademark Office, and the exclusive right to use the registered trademark shall be regarded as nonexistent from the beginning.