2. Detailed investigation of trademarks: 9- 12 months;

3. The period of validity of trademark registration: 10 years, counting from the date of filing the trademark application;

4. Renewal of a registered trademark: an application can be filed within 1 year before the expiration of the trademark registration, or within 6 months after the expiration of the registration, and the renewal period is 10 year;

* The above time is calculated according to the successful registration, and the actual time is subject to the Trademark Office. In the process of trademark examination, in case of "trademark correction", "trademark defense" and "trademark objection", there will be corresponding time flow.