1. Sign the power of attorney for trademark, and attach the identity certificate of the dissenter (such as business license and identity card, etc.); 2. Prepare objection documents: including filling in the objection application, writing the objection reasons and factual basis, and attaching relevant evidence; 3. The trademark agency shall submit an application for trademark objection to the Trademark Bureau on behalf of the objector. Article 33 of the Trademark Law, within three months from the date of announcement, if the prior obligee or interested party considers that the trademark has violated the provisions of Article 13, paragraphs 2 and 3, Article 15, Article 16, paragraph 1, Article 3, Article 31 and Article 32 of this Law, or anyone thinks that it has violated Article 4, Article 1, Article 11, Article 12 and Article 19 of this Law. If there is no objection at the expiration of the announcement period, the registration shall be approved, a trademark registration certificate shall be issued and an announcement shall be made.