Beijing Sanyou

Firm overview:

Rated as a ‘5A’ patent agency by the Beijing Patent Attorneys Association, Beijing Sanyou is a well respected IP firm in China. The firm has significantly invested in its patent team, which now includes 180 patent attorneys with expertise across a multitude of technical disciplines. As such, Beijing Sanyou is well-placed to provide incisive counsel on non-contentious patent matters. For two decades, the firm has ranked among the top 10 IP firms in China for the amount of invention patent applications filed.

The firm’s patent expertise extends to dispute resolution and contentious issues. An exemplary work highlight is the team’s representation of Fujifilm in a patent infringement dispute, selected by the China National Intellectual Property Administration (CNIPA) as a top 10 patent administrative protection case.

Beijing Sanyou handles a notable volume of lawsuits every year, drawing on the team’s technical expertise to guide clients through patent infringement and invalidation litigation.

Team overview:

Headquartered in Beijing, the firm has offices in Japan, Suzhou and Hong Kong. Of its 450 employees, there are 180 patent attorneys, 30 trademark attorneys and 20 attorneys-at-law.

Hui Li leads the firm as chair of the board of directors, and is a highly experienced patent attorney. Li specialises in patent prosecution, invalidation, reexamination, litigation and patent search, and has acted as vice president of the Beijing Patent Agents Association.