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What are the methods to prove whether a trademark is valid?
there are the following types of certification marks: certification marks of origin, geographical indications, quality or other specific quality marks, etc. A certification trademark generally refers to a mark that has the ability to supervise a certain commodity or service and is used by other organizations or individuals, and the mark is used to prove the origin and quality.

Legal basis

Article 3 of the Trademark Law

Trademarks registered with the approval of the Trademark Office are registered trademarks, including commodity trademarks, service trademarks, collective trademarks and certification trademarks; Trademark registrants enjoy the exclusive right to use trademarks and are protected by law.

the term "collective trademark" as mentioned in this law refers to a sign registered in the name of a group, association or other organization for members of the organization to use in commercial activities, so as to show the membership of users in the organization.

the term "certification mark" as mentioned in this law refers to a mark controlled by an organization that has the ability to supervise a commodity or service and used by units or individuals outside the organization to prove the origin, raw materials, manufacturing methods, quality or other specific qualities of the commodity or service.

special matters concerning the registration and management of collective trademarks and certification trademarks shall be stipulated by the administrative department for industry and commerce of the State Council.