A: Now you need to go to the notary office for notarization before you can transfer the trademark. The Trademark Office didn't remind me to renew it. Can I sue the Trademark Office? I dare to think. The period of validity of a registered trademark is 10 year. Where it is necessary to continue to use a registered trademark after its expiration, it shall apply for renewal of registration within 6 months before its expiration. If the application cannot be submitted within this period, there will be a grace period of 6 months. If no application is filed within the grace period, the Trademark Office will revoke it after the expiration. After examining the application for trademark renewal registration, the Trademark Office will issue a trademark renewal certificate and will not issue another trademark registration certificate. The original Trademark Registration Certificate will be used together with the Trademark Renewal Certificate. There are two ways to apply for renewal of a registered trademark: (1) entrust a nationally recognized trademark agency to handle it. (2) The applicant goes directly to the trademark registration hall of the Trademark Office. It is recommended to hand it over to an intermediary to save time and effort. Our agency trademark renewal fee ranges from 2500 to 3000. Please contact us if necessary.