What is the process of Wong Lo Kat trademark case?

*1. The "Wanglaoji" dispute between Jiaduobao and GPHL* Event review: *1. Due to historical reasons, after 1949, the Wonglaoji brand in the mainland and overseas were owned by different companies. The mainland owner of the Wong Lo Kat brand is the state-owned Guangzhou Pharmaceutical Group. The ownership of Hong Kong and overseas brands belongs to Miriam Wang, a descendant of Wang Lao Kat founder Wang Zebang. *2. In February 1997, Guangzhou Yangcheng Pharmaceutical Co., Ltd. Wanglaoji Food and Beverage Branch of Guangzhou Yangcheng Pharmaceutical Co., Ltd. (the predecessor of today’s GPHL Wanglaoji Pharmaceutical Co., Ltd.) signed a trademark licensing contract with Hong Kong Hongdao Group. The contract stipulates that Hongdao Group has obtained the exclusive right to use the "Wang Lao Kat" trademark to produce and sell red paper packaging and red iron canned herbal tea beverages since that year. *3. After 1997, Hong Kong Hongdao Group established Jiaduobao Company to be responsible for the production and operation of Wanglaoji in the mainland. *4. Jiaduobao’s sales in 2002 were less than 200 million yuan, and soared to more than 5 billion in 2007. Especially in 2008, Jiaduobao’s donation of 100 million yuan to the earthquake-stricken areas in Sichuan and its marketing promotion made Wong Lo Kat even more famous. , Jiaduobao sales reached 12 billion yuan that year. *5. In November 2010, GPHL announced that the brand value of Wonglaoji was assessed at 108.015 billion yuan. GPHL’s green boxed Wonglaoji also experienced a surge in sales during the same period, taking advantage of the momentum of red canned Wonglaoji. *6. GPHL believes that in 2001, Li Yimin, the then general manager of the group, received a bribe of 3 million yuan from Chen Hongdao, the controller of Hong Kong Hongdao Group (the parent company of Jiaduobao), and signed the trademark authorization under this circumstance. It should be invalid, so the lease to Jiaduobao expired in May 2010. *7. In the end, GPHL took back the trademark rights of “Wanglaoji”.