If you forget the PIN code used during the trademark registration process, you can follow the steps below:

1. ** Contact the Trademark Registration Office: ** Contact your country directly Or contact the regional trademark registration office. The Trademark Registry often provides help and solutions for forgotten PIN codes.

2.** Online platform retrieval: ** Log in to the online platform of the Trademark Registration Office. There is usually an option of "forgot password" or "retrieve PIN code" in the login interface or related settings. Follow the system prompts. Additional authentication information may be required.

3.**Submit application form:**Some trademark registries may require you to fill in a specific application form to reset or retrieve your PIN code. These forms can usually be found on the official website of the Trademark Registry.

4.**Identity Verification:**The Trademark Registry may require you to provide additional identity verification information to ensure that you are a trademark applicant or registrant. Prepare appropriate identification documents, such as ID cards, passports, etc.

5.** Contact Customer Service: ** If the online platform cannot resolve the issue, contact the Customer Service Department of the Trademark Registration Office directly. They will guide you through the process of resetting or retrieving your PIN.

Please note that trademark registration offices in different countries and regions may have different procedures, so it is recommended that you directly check the official website of the relevant trademark registration office or contact its customer service to obtain accurate and up-to-date information.

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