Legal analysis: the invalidity of trademark right means that a registered trademark violates the provisions of Articles 10, 11 and 12 of the Trademark Law, or is registered by deception or other improper means, and the Trademark Office declares the registered trademark invalid; Other units or individuals may request the Trademark Review and Adjudication Board to declare the registered trademark invalid. 1, for absolute reasons, a registered trademark can be declared invalid if it does not have popularity, 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, the reason why the trademark right is relatively invalid is that the trademark right conflicts with the rights obtained before 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. To sum up, a trademark can be declared invalid, but it must meet the conditions prescribed by law and must be submitted to the relevant departments so that the victims can get their legitimate rights and interests. Therefore, it is necessary to apply for registration of a trademark under legal conditions, and different situations will be handled differently.

Legal basis: Trademark Law of People's Republic of China (PRC).

Article 10 The following signs shall not be used as trademarks: (1) identical with or similar to the national name, national flag, national emblem, national anthem, military flag, military emblem, military song and medal of People's Republic of China (PRC), identical with the names and signs of central state organs, the names of specific places or the names and graphics of landmark buildings; (2) identical with or similar to the name, national flag, national emblem or military flag of a foreign country, except with the consent of the government of that country; (3) identical with or similar to the name, flag, emblem, etc. Intergovernmental international organizations, except with the consent of the organization or not easily misleading the public; (4) identical with or similar to the official marks and inspection marks indicating the implementation of control and guarantee, unless authorized; (5) identical with or similar to the names and symbols of the Red Cross and Red Crescent; (six) with ethnic discrimination; (seven) deceptive, easy to make the public misunderstand the quality or origin of goods; (eight) harmful to socialist morality or other adverse effects. Geographical names of administrative divisions at or above the county level or foreign geographical names well known to the public shall not be used as trademarks. However, unless the place name has other meaning or is part of a collective trademark or certification trademark; Registered trademarks using geographical names shall remain valid.

Article 11 The following marks shall not be registered as trademarks: (1) Only the common name, figure and model of the commodity; (2) directly indicating only the quality, main raw materials, functions, uses, weight, quantity and other characteristics of the goods; (three) other lack of distinctive features. A trademark listed in the preceding paragraph may be registered as a trademark if it has obvious characteristics and is easy to identify after use.

Article 12 Where an application for trademark registration is made with a three-dimensional mark, the shape produced only by the nature of the commodity itself, the shape of the commodity needed to obtain technical effects or the shape that makes the commodity have substantial value shall not be registered.