Zhaoyang (Paul) Li, Ph.D., Intellectual Property Attorney

Zhaoyang (Paul) Li

  • San Francisco
  • vCard
  • Print PDF


As a partner in Taylor English’s Intellectual Property Department, Dr. Li counsels companies on intellectual property rights involving Chinese companies. He helps his clients navigate Chinese trade secrets and China’s intellectual property rights. His comprehensive intellectual property practice includes patent prosecution, patent infringement assessment, patent right licensing agreements, patentability, and intellectual property counseling and due diligence. By facilitating legal teams to tackle oil and gas, engineering, procurement and construction projects for Chinese state-owned enterprises and large companies in China’s private sector, Dr. Li guides his clients through effectively managing Chinese intellectual property relationships.

Dr. Li handles patent litigation for a diverse range of technology companies in the biotechnology, biopharmaceuticals, pharmaceuticals, stem cell technologies (including cell therapy such as tissue engineering), and telecommunications and electronics industries.

Dr. Li counsels clients on small molecule pharmaceutical patent matters, including new chemical entity and formulation patents, and related paragraph IV certification issues in association with new drug application or abbreviated new drug application matters.

During the 2005 Hong Kong Jockey Club Traditional Chinese Medicine (TMC) Institute symposium, Dr. Li presented on IP protection related to prior art challenges faced by the TMC. Dr. Li proposed a TMC IP protection protocol, known as “finger printing,” which is based on a marker compound(s) or the level(s) of the marker compound(s) and is now widely used.

Dr. Li has extensive experience in life science related intellectual property matters. He assisted UCLA in securing a large portfolio of patents on a protein discovered by a group of UCLA professors. This portfolio successfully grew from the UCLA research laboratories to become the foundation of a public ally traded company. 

Dr. Li was mentioned in the 2014 and 2015 Legal 500 for the Intellectual Property and Patent Licensing and Transactional categories for advising the technology licensing arm of Sinopec – Sinopec TECH – on freedom to operate issues worldwide.

Dr. Li acquired his law degree from Vanderbilt Law School. Additionally, he gained his Ph.D. in Chemistry from the University of South Carolina and a B.Sc. in Chemistry from Nankai University in Tianjin, China. He speaks fluent Mandarin.


American Bar Association

American Intellectual Property Law Association (AIPLA)

Foreign Languages


Speaking Engagements


Vanderbilt University Law School, JD, 2000

University of South Carolina, Ph.D., Chemistry, 1994

Nankai University, BSc, Chemistry, 1983

Bar Admissions


U.S. Patent and Trademark Office