1. Understand the reasons for rejection: read the notice of rejection issued by the Trademark Registration Office or relevant institutions carefully to understand the reasons for rejection listed therein. Reasons for rejection may include trademark similarity, unclear description, violation of public order and good customs, etc.

2. Consider appeal or defense: According to the requirements and provisions in the notice of rejection, the trademark applicant can choose to appeal or submit defense materials. An appeal is a complaint to a higher authority or court, while a defense is to explain the reasons for rejection or provide relevant evidence to refute the rejection decision.

3. Preparation of complaint or defense materials: According to the requirements in the notice of rejection, the trademark applicant needs to prepare complaint or defense materials. This may include writing an appeal statement or defense opinion and providing evidence to support the legality of trademark registration.

4. Submit the complaint or defense materials: submit the prepared complaint or defense materials to the relevant institutions in the time and manner specified in the notice of rejection. Ensure that the materials are submitted on time, so as not to miss the opportunity to appeal or reply.

5. Follow-up the application status: once the appeal or defense materials are submitted, the trademark applicant should follow up the application status to understand the progress and possible further actions.

The above contents were carefully arranged by Zhu Bajie. Com, I hope I can help you.