1. The principle of combining voluntary registration with compulsory registration. Most trademarks in China adopt the principle of voluntary registration. Producers and operators of commodities (mainly cigarettes, cigars and packaged cut tobacco) that are required to use registered trademarks according to national laws and administrative regulations must apply for trademark registration. Without approval and registration, commodities may not be sold in the market. 2. A trademark applied for registration according to the principle of distinctiveness shall have distinctive features and be easy to identify. It shall not conflict with other people's prior legal rights (such as design patent right, name right and copyright). 3. Trademark legal principle A trademark applying for registration shall not use the sign prohibited by law. Registered trademarks using geographical names shall remain valid. The principle of prior registration and the principle of prior use are not authorized, and the agent or representative registers the trademark of the principal or representative in his own name, and the principal or representative raises an objection. Goods that are not registered in the trademark and whose use of geographical indications is prohibited, but the trademark is not from the area marked by the trademark, misleading the public, shall not be registered and prohibited; However, the registration obtained in good faith continues to be valid. 4. When examining and announcing the application for trademark registration, if two or more applicants for trademark registration apply for registration with the same or similar trademarks on the same commodity or similar commodities, they shall make a preliminary examination and announcement of the trademark applied earlier; If the application is made on the same day, the prior trademark shall be preliminarily approved and announced, and the application of others shall be rejected without announcement. 5. It is forbidden to apply for trademark registration on the principle of preemption, and trademarks that have been used by others and have certain influence shall not be registered first by improper means.