After a trademark is successfully registered, if the holder does not use the trademark within a certain period of time, the trademark may be revoked according to the laws of different countries or regions. The following are some common situations and time limits:

1. The usual period of use is 3 to 5 years: In many countries or regions, the period of use of a trademark after registration is 3 to 5 years. This means that the trademark holder must start using the trademark within a certain period of time after it is registered, or else risk the trademark being revoked.

2. Failure to use the trademark without justifiable reasons: If the trademark holder fails to use the trademark without justifiable reasons within the specified period of use, others may file a trademark cancellation application and request to cancel the registration of the trademark. In this case, it is usually necessary to provide evidence that the mark is not used.

3. Definition of trademark use: The definition of trademark use may differ in different countries or regions. Typically, trademark use is generally defined as associating a trademark with specific goods or services and using it in commercial activities. Criteria can include actual sales, advertising, product demonstrations, etc.

Please note that the specific time limit for cancellation of a trademark after registration may vary depending on the laws of the country or region. It is recommended that trademark holders understand and comply with local trademark laws in a timely manner to ensure the effective use of trademarks to protect their rights and interests.

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