Hello, I found the information about JJ trademark on Bajie Intellectual Property official website. The query result is: Dongguan Jingjie Optoelectronic Technology Co., Ltd. applied for a trademark named "JJ" on 20 12-05-03, which passed the examination of the Trademark Office on 20 13-08-07, and issued a registration certificate on 20 13-08. The service life is 10, and it will expire on August 6, 2023. Hope to adopt, thank you!