David Tsai

David Tsai

Adjunct Professor

Part-Time Faculty


David Tsai is a Partner in the San Francisco Office of Pillsbury Winthrop Shaw Pittman LLP and is the Co-Head of Pillsbury’s Taiwan Practice. David represents world-class corporations innovating biotechnology, pharmaceuticals, medical devices, software, and hardware. In addition to intellectual property litigation, he advises his clients in patent negotiations, licensing, M&A transactions, and overall intellectual property strategy. Prior to his legal career, David worked in product management at a biotech company and Internet/software startups. During his graduate studies at Stanford University focusing on stem cell gene therapy, David co-led the development of Stanford’s first online problem sets. He is a past President of the Silicon Valley Intellectual Property Law Association and the current President of the Harvard Club of San Francisco.


  • Intellectual Property


  • Santa Clara University, JD, 2006
  • Stanford University, MS Biological Sciences, 1998
  • Harvard College, AB Biochemical Sciences, 1997