WIPOLEX - www.wipo.int
SIPO State Intellectual Property Office of the People’s Republic of China, Patent Office – english.sipo.gov.cn
SAIC State Administration ofr Iindustry & Commerce of the People’s Republic of China, Trademark Office – www.saic.gov.cn
National Copyright Administration of the People’s Republic of China – en.ncac.gov.cn
NIC China - cnnic.com.cn