Wong Lo Kat. In the trademark dispute between Jiaduobao and Wanglaoji, according to the judgment of the Supreme People's Court, Wanglaoji is the original version. Jiaduobao and Wanglaoji are both Chinese herbal tea brands that have been involved in a 16-year dispute over trademark rights. During this period, both parties claimed to be genuine. In the end, the Supreme People's Court made a final judgment in 2013 and determined that Wong Lo Kat was genuine.