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About David Tsai
David Tsai is Pillsbury Winthrop Shaw Pittman LLP’s Taiwan practice co-leader and also a partner in the San Francisco office. David is a first-chair trial lawyer and focuses his practice on intellectual property, patent, trade secret, trademark, copyright, complex breach of contract and product defect litigation in courts and international arbitration tribunals. David represents world-class corporations innovating biotechnology, pharmaceuticals, medical devices, software (AI, internet and mobile apps) and hardware (semiconductors, set-top boxes, smartphones, solar wafers and light-emitting diodes/LED/OLED). In addition to litigation, his experience includes preparing and prosecuting U.S. electrical engineering patent applications, drafting patentability, freedom-to-operate and non-infringement opinions, as well as inter partes review (IPR) petitions. He advises his clients in patent negotiations, licensing, M&A transactions and overall intellectual property strategy. David has been quoted in various business and technology publications, including The New York Times, and has written and lectured internationally on Hatch-Waxman/Abbreviated New Drug Application (ANDA) litigation, standard essential patents, FRAND/RAND royalties, internet software applications and U.S. patent law. In 2017 − 2019, he served as one of the 18 lawyer representatives to the United States District Court, Northern District of California. He has also served on the Executive Committee of the Board of Trustees for the University of California, Riverside (UCR), Foundation and currently serves on the Advisory Board of Santa Clara University School of Law. He is the immediate past president of the Harvard Club of San Francisco and a past president of the Silicon Valley IP Law Association (SVIPLA) and the Asian American Bar Association of the Greater Bay Area (AABA). In 2016, David was recognized by the California State Legislature for his work in civil rights.
Practice Areas
Credentials
Education
- Harvard University
- B.A.
- Stanford University
- M.S.
- Santa Clara University School of Law
- J.D.
Bar Admissions
- Bar Association of San Francisco JDC
- Board of Directors
- Asian American Bar Association (AABA)
- Board of Directors
- Law Alumni Board of Directors
- Silicon Valley Intellectual Property Law Association (SVIPLA)
- Immediate Past President, Board of Directors
- California State Bar # 244479
- Member
- AIDS Legal Referral Panel
- Board of Directors
- Bar Association of San Francisco (BASF)
- Board of Directors
- American Bar Association
- Section of Litigation Committee Co-Chair
- BASF Barristers Club
- Board of Directors
- Bay Area Lawyers for Individual Freedom (BALIF)
- Co-Chair, Board of Directors
- Minority Bar Coalition
- Co-Chair
- Santa Clara County Bar Association
- Board of Directors
Professional Experience
- Partner
- Pillsbury Winthrop Shaw Pittman LLP 2018 - Current
- Partner
- Vinson & Elkins LLP 2015 - 2018
- Partner/Counsel
- Perkins Coie LLP 2004 - 2015