The validity period of trademark registration is determined according to the provisions of the trademark law of a country or region, usually for a certain period, such as 10 year. Before the expiration of the validity period of a trademark, the trademark registrant needs to take corresponding actions to maintain the validity of the trademark.

Specifically, before the trademark expires 12 months, the trademark registrant needs to do one of the following acts:

1. trademark renewal: a trademark registrant may apply for trademark renewal to extend the validity of the trademark. Trademark renewal application usually requires the submission of renewal application documents and the payment of the corresponding renewal fee.

2. Trademark change: A trademark registrant may apply for trademark change, such as changing the name and address of the trademark registrant. Trademark change applications usually need to submit change application documents and pay the corresponding change fees.

3. Trademark waiver: Trademark registrants can choose to voluntarily give up their trademark rights before the expiration of the trademark validity period. Trademark waiver usually requires submission of waiver application documents.

The specific requirements and procedures of the above actions may vary from country to country. Trademark registrants should know and abide by the relevant requirements stipulated in the local trademark law in time to ensure the effectiveness of the trademark.

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