According to the academic reference network, the Patent Examination Cooperation Center of China National Intellectual Property Administration Patent Office is divided into seven sub-centers: Beijing, Tianjin, Jiangsu, Henan, Guangdong, Sichuan and Hubei. It belongs to the employing institution, and the contract period with employees is 4 years (actual examination), and it belongs to the self-supporting institution. China National Intellectual Property Administration belongs to the civil service establishment. Patent Examination Cooperation Center is its subordinate unit, namely China National Intellectual Property Administration Patent Examination Cooperation Center. It can be seen that the patent examination cooperation center belongs to public institutions, but public institutions are not good or bad.