There are generally no requirements for the size of trademark signs.

But the logo must be clear. Trademark registration is the legal procedure for obtaining the exclusive right to use a trademark. If a natural person, legal person or other organization needs to obtain the exclusive right to use a trademark for its goods or services during production and business activities, it shall apply for trademark registration. A trademark that has been approved for registration is a registered trademark. Trademark registrants enjoy exclusive rights to trademarks and are protected by law. The exclusive right to use a trademark is limited to the approved registered trademark and the approved goods or services. Registered trademarks include commodity trademarks, service trademarks, collective trademarks, and certification marks. Products that require the use of registered trademarks under laws and administrative regulations must apply for trademark registration. Products without approved registration may not be sold in the market.

Trademark registration is the prerequisite and condition for a trademark user to obtain the exclusive right to use a trademark. Only trademarks that have been approved and registered are protected by law. The principles of trademark registration are the basic criteria for determining the exclusive right to use trademarks. The choice of different registration principles is the result of the legislators of various countries weighing the relationship between legal certainty and legal fairness in this issue. Trademark registration means that in order to obtain the exclusive right to use a trademark, the trademark owner submits a registration application to the Trademark Office of the State Intellectual Property Office for the trademark it uses in accordance with the registration conditions, principles and procedures prescribed by the state. The Trademark Office of the State Intellectual Property Office will review it. , the legal facts granting registration. A trademark that has been reviewed and registered by the Trademark Office of the State Intellectual Property Office is a registered trademark and enjoys the exclusive right to use the trademark.

Article 11 of the "Trademark Law of the People's Republic of China" The following signs shall not be registered as trademarks:

(1) Only the common name, graphics and model of the product

(2) Only directly express the quality, main raw materials, functions, uses, weight, quantity and other characteristics of the goods;

(3) Other lack of distinctive features. If the signs listed in the preceding paragraph acquire distinctive features through use and are easy to identify, they may be registered as trademarks.

Article 15 Without authorization, an agent or representative registers the trademark of the principal or represented person in his or her own name, and if the principal or represented person raises an objection, the registration shall not be Registration and use prohibited.

The trademark applied for registration for the same kind of goods or similar goods is identical or similar to an unregistered trademark previously used by another person, and the applicant has a contract, business relationship or other relationship with the other person other than those specified in the preceding paragraph. If the trademark of another person is known to exist and the other person raises an objection, the trademark shall not be registered.