Without the permission of the trademark registrant, it is an infringement to use a trademark similar to its registered trademark on the same commodity, or to use a trademark identical with or similar to its registered trademark on similar commodities, which is easy to cause confusion;

In addition, it is illegal to belittle the goods or services of other producers and operators in advertisements, and the administrative department for industry and commerce shall order them to stop publishing advertisements and impose a fine of less than100000 yuan on advertisers.

Relevant laws and regulations: Trademark Law of People's Republic of China (PRC).

Article 57 Any of the following acts is an infringement of the exclusive right to use a registered trademark:

(1) Using the same trademark as its registered trademark on the same commodity without the permission of the trademark registrant;

(2) Without the permission of the trademark registrant, using a trademark similar to its registered trademark on the same kind of goods, or using a trademark identical with or similar to its registered trademark on similar goods is likely to cause confusion;

(3) selling goods that infringe upon the exclusive right to use a registered trademark;

(4) Forging or unauthorized manufacturing of registered trademark marks of others or selling forged or unauthorized registered trademark marks;

(five) without the consent of the trademark registrant, the registered trademark is changed and the goods with the changed trademark are put on the market again;

(6) Deliberately facilitating the infringement of the exclusive right to use a trademark of others and helping others to commit the infringement of the exclusive right to use a trademark;

(seven) causing other damage to the exclusive right to use a registered trademark of others.

People's Republic of China (PRC) advertising law

Article 13 Advertisements shall not belittle the goods or services of other producers or operators.

Article 59 In case of any of the following acts, the administrative department for industry and commerce shall order it to stop advertising and impose a fine of100000 yuan on the advertiser:

(1) The contents of advertisements violate the provisions of Article 8 of this Law;

(2) The content quoted in the advertisement violates the provisions of Article 11 of this Law;

(3) Advertisements involving patents violate the provisions of Article 12 of this Law;

(4) In violation of the provisions of Article 13 of this Law, advertisements belittle the goods or services of other producers and operators.

Advertising agents and publishers who design, produce, act as agents or publish while knowing or should know that there are illegal acts as stipulated in the preceding paragraph shall be fined not more than 100,000 yuan by the administrative department for industry and commerce.

Where an advertisement violates the provisions of Article 14 of this Law and is not recognizable, or violates the provisions of Article 19 of this Law by publishing advertisements for medical treatment, medicines, medical devices and health foods in disguised form, the administrative department for industry and commerce shall order it to make corrections and impose a fine of not more than 100,000 yuan on the advertiser.