China PRC Patents Rankings 2025

Shanghai Patent & Trademark Law Office

Firm overview:

Founded in 1984, Shanghai Patent and Trademark Law Office is a well-established firm with client connections in over 100 countries. With a large, experienced team, the firm provides a single point of contact for the IP needs of domestic and international businesses.

SPTL’s patent team devises strategies for IP-rich companies to protect, enforce and maximalise their intangible assets. The firm’s expertise covers patent matters including search and analysis, prosecution and litigation, in collaboration with Shanghai Yiping Law Office. It particularly stands out for its strategic advice and depth of knowledge of patent law both in China and overseas.

Team overview:

SPTL’s team is made up of around 350 professionals including nearly 250 patent attorneys. The firm emphasises the importance of a healthy work/life balance and offers training initiatives and personal development opportunities to its employees.

A peer tips Zheng Fan as being “very down to earth” and a go-to patent attorney at the firm. Fan’s areas of expertise include biochemistry, chemical engineering and pharmaceuticals, and he has trained in China, the US and Germany.