If your trademark registration application is rejected, you may consider the following steps:

1. Understand the reasons for rejection: Carefully read the rejection notice given by the trademark registration agency and understand the points they pointed out. Questions and reasons for rejection. This may involve issues such as similarity of the trademark to a registered trademark, unclear description or indistinguishability.

2. Trademark amendment or supplementary materials: materials required to amend or supplement the trademark application according to the instructions of the rejection notice. It may be necessary to modify the mark illustrations, descriptions of goods and services, or provide additional evidence to prove the mark is distinguishable.

3. Submit defense documents: Prepare and submit defense documents to explain and defend your trademark application. In your defense document, you will need to clearly respond to the issues raised in the rejection notice and provide relevant evidence and arguments to support your position.

4. Transfer or request for review: According to the relevant legal procedures, you can choose to transfer the defense documents to the trademark registration agency and let them reconsider your application. In addition, some countries or regions allow you to request a review, which means submitting your case to a specialized review agency for review.

5. Obtain legal advice: If you feel you need legal help and guidance, you can seek the advice of a trademark attorney or professional lawyer. They can help you assess the situation, provide an appropriate strategy, and communicate with the trademark registration authority on your behalf.

Please note that specific response measures may vary from country to country or region, so it is recommended that you handle a rejected trademark registration application in accordance with the regulations and guidelines of the trademark registration authority in your country or region.

I hope the above answer meets your requirements. If you have additional questions, please feel free to ask.

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