I、Instructions for Trademark Disputes:
File an application to cancel the registration of a trademark in accordance with Article 41 of Trademark Law.
II、The following materials shall be submitted for trademark dispute cases:
i、Application for Official Ruling on the Trademark Disputes;
ii、Power of Attorney;
iii、Subject Qualification Certificate;
iv、Reasons, Facts and Relevant Evidence.
III、Time required: about 3 years.