Legal analysis: If it is a well-known trademark that is not registered in China, it is an infringement to use a trademark that is duplicate or similar to the trademark on the same or similar goods or services. If it is a well-known trademark registered in China, no matter whether the goods or services used are the same or similar, as long as a trademark that plagiarizes or imitates the well-known trademark is used, it constitutes infringement.

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

Article 13 Trademark holders who are well-known to the relevant public think that their rights have been infringed may request the protection of the well-known trademark in accordance with the provisions of this Law.

A trademark applied for registration on the same or similar goods is a well-known trademark copied, imitated or translated by others, which is not registered in China. It is easy to cause confusion, so it is not registered and prohibited to be used.

Where a trademark applied for registration on different or dissimilar goods is a well-known trademark registered by others in China, misleading the public and possibly harming the interests of the registrant of the well-known trademark, it shall not be registered and its use shall be prohibited.

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.