The invalidation of a trademark right means that a registered trademark violates the provisions of Articles 1, 11 and 12 of the Trademark Law, or is registered by deception or other improper means, and 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. A registered trademark may be declared invalid if it does not have visibility, distinctiveness and legitimacy. In addition, "obtaining registration by deception or other improper means" is also a reason for the invalidation of a trademark. Trademark refers to the visible signs that distinguish goods or services from different sources, including words, graphics, letters, numbers, three-dimensional signs and color combinations, as well as the combination of the above elements. After the registration of the relevant government departments, they have the exclusive right to use a brand name and brand logo, which are protected by law and may not be imitated by any other enterprise. Therefore, a trademark is essentially a legal term, which refers to a brand or a part of a brand that has obtained the exclusive right and is protected by law. Trade mark is a special legal term. A brand or a part of a brand is called a "trademark" after it is registered by the relevant government departments according to law. Trademarks are protected by law, and registrants have exclusive rights. Famous trademarks in the international market are often registered in many countries. There is a difference between "registered trademark" and "unregistered trademark" in China.

legal basis: article 28 of the trademark law of the people's Republic of China, the trademark office shall complete the examination of the trademark applied for registration within nine months from the date of receiving the right to apply for registration of the commercial version of the trademark, and make a preliminary examination and announcement if it meets the relevant provisions of this law.