WeiLi Ph.D.


Silicon Valley + 1.650.687.4126

Wei Li's practice focuses on patent prosecution and strategic counseling for clients in the pharmaceutical, biotechnology, and life sciences fields. His practice includes drafting and prosecuting U.S. and foreign patent applications and assisting clients in developing and managing patent portfolios relating to small molecule pharmaceuticals, organic chemistry, medicinal chemistry, drug formulation, diagnostics, and other areas of drug discovery and development. He also conducts patent due diligence work, including patentability, invalidity, infringement, and freedom-to-operate investigations.

Prior to joining Jones Day, Wei worked as a medicinal chemist. During this time he performed multistep synthesis and developed small molecule libraries for anti-inflammatory drug discovery. He designed, prepared, and identified small molecule drug candidates and gained in-depth knowledge in a wide variety of technologies.

Wei conducted his graduate research in the areas of organic synthesis and development of selective catalysis using organometallic catalysts. He has coauthored several book chapters and peer-reviewed journal articles in synthetic organic chemistry. Wei is a member of the American Chemical Society.


  • Rain Therapeutics expands patent portfolio related to clinical stage cancer therapiesJones Day advised Rain Therapeutics Inc. in connection with global patent portfolio development related to a hypoxia-activated prodrug of a potent pan-HER inhibitor, Tarloxotinib (Tarlox), for the treatment of non-small cell lung cancer in patients with EGFR and HER exon 20 insertion mutations.
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