1. After purchasing a trademark, if you want to add a subcategory, you need to resubmit a registered trademark application.

2. The process of applying for trademark re-registration is: Submit materials to the Trademark Office for application → Trademark Office accepts → Review → Announcement → Approval and issuance of a trademark registration certificate. It takes about one month for the Trademark Office to issue an acceptance notice, and the preliminary review period is three months. It takes about one year to complete the trademark registration.

3. To register a trademark, you need to prepare the following materials

For individuals, prepare your personal ID card and self-employed business license. For companies, you need to prepare a company business license.

A completed trademark registration application with the official seal of the unit or a personal signature

Trademark agency power of attorney (need to be submitted when entrusting a trademark registration agency to handle the application).