If the obligee fails to take the initiative to apply for renewal, the Trademark Office will make a decision to declare the registered trademark invalid. At this time, the obligee can save it by applying for trademark reexamination. One year after the trademark is declared invalid, you can apply for registration of the same or similar trademark again. However, please pay attention to the submission time of trademark registration application. All applications filed within one year will not be approved by the Trademark Office. According to the relevant regulations, if a registered trademark needs to be used after its expiration, the trademark registrant shall go through the renewal procedures in accordance with the regulations within 12 months before its expiration; If it has not been handled during this period, it can be extended for six months. The validity period of each renewal registration is ten years, counting from the day after the last expiration of the trademark. If the renewal formalities are not completed at the expiration of the period, the registered trademark shall be cancelled.