Resources The following websites are the useful resources for your reference. Hong Kong – Hong Kong Intellectual Property Department Hong Kong Intellectual Property Department – Trade Marks Registry Work Manual Hong Kong Intellectual Property Department – Hong Kong Intellectual Property Journal Hong Kong Trade Marks Ordinance Hong Kong Patents Ordinance China – State Intellectually Property Office of PRC (English) State Intellectually Property Office of PRC (Chinese) Chinese Trade Mark Office (CTMO) (English) Chinese Trade Mark Office (CTMO) (Chinese) Others – World Intellectual Property Organization (WIPO) – Detailed Classification for Trademark European Patent Office