if the trademark owner is a citizen of foreign countries, Hong Kong, Macao and Taiwan, his power of attorney shall be notarized in China Notary Office or in his country/region, and then authenticated in China.

(2) civil lawsuit;

(3) If the trademark owner feels it necessary to preserve the evidence of the infringer's infringement before litigation, he shall submit an application for evidence preservation;

(4) If the trademark owner feels it necessary to preserve the property of the infringer (such as the registered trademark of the infringer, etc.), he shall submit an application for property preservation and pay the corresponding guarantee money;

(5) Proof of the rights of the trademark owner,

mainly includes: 1. Trademark registration certificate (if the color is specified, the original trademark registration certificate must be submitted) and renewal procedures. If it is an international trademark registration, the State Trademark Office shall issue a certificate that the international registration is valid in China;

2. If it is a well-known trademark, a certificate of well-known trademark certification is required. (6) The evidence of trademark infringement by the defendant mainly includes the accused infringing products produced by the defendant, sales invoices, sales contracts, audio-visual materials, etc. When the plaintiff cannot obtain the alleged infringing products, the invoices and contracts for selling the alleged infringing products can also be used as direct evidence; (seven) evidence about the infringer, including the exact name and address of the infringer; If the infringer is a legal person, it is necessary to provide the industrial and commercial registration information issued by the Administration for Industry and Commerce.

Legal basis:

Article 57 of the Trademark Law of the People's Republic of China commits any of the following acts, all of which are infringement of the exclusive right to use a registered trademark:

(1) using a trademark identical to 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 commodity, or using a trademark identical to or similar to its registered trademark on similar commodities may easily lead to 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;

(5) changing its registered trademark without the consent of the trademark registrant and putting the goods with the changed trademark on the market again;

(6) intentionally providing convenient conditions for 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;

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