After the trademark registration certificate expires, you need to take the following steps to process:

1. Renewal application: Before the trademark registration certificate expires, you can apply to the relevant trademark registration agency Submit a trademark renewal application. Renewal applications need to be carried out in accordance with prescribed procedures and time limits, and usually require filling in a specific application form and paying the corresponding fees. The specific requirements and procedures for trademark renewal applications may vary from country to country and region. You can consult your local trademark registration agency or professional lawyer for accurate guidance.

2. Complete the renewal procedures: Submit all necessary documents and fees on time according to the requirements of the trademark registration agency to complete the trademark renewal procedures. This may include filling out forms, providing a copy of the trademark registration certificate, paying renewal fees, etc. Ensure that the renewal procedures are completed in accordance with the prescribed time and procedures to maintain the validity of the trademark.

3. Pay attention to the renewal period: Trademark renewal applications usually need to be made within a period of time before the trademark registration certificate expires. The specific renewal period may vary from country to country and region. Therefore, it is recommended that you understand and record the renewal deadline in advance to ensure that you can submit your renewal application on time.

If your trademark registration certificate has expired without renewal, you may face the loss of your trademark rights. In this case, you may consider re-applying for trademark registration to protect your trademark rights. Please note that reapplying for trademark registration will require a new round of review procedures.

It is best to consult a professional lawyer or the local trademark registration agency before the trademark registration certificate expires to understand the specific renewal requirements and procedures and ensure that you take necessary actions in a timely manner.

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