David Jeanchung Tsai

David Jeanchung Tsai

Pillsbury Winthrop Shaw Pittman LLP
  • Patents, Antitrust Law, Intellectual Property ...
  • California
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Biography

David Tsai is a Partner in Vinson & Elkins LLP’s San Francisco office. David's practice focuses on patent, trade secret, complex breach of contract, and product defect litigation for companies innovating biotechnology (pharmaceuticals and genetic engineering), medical devices, software (Internet and mobile apps), and hardware (semiconductors, set-top boxes, smartphones, solar wafers and light-emitting diodes/LED/OLED). His legal experience includes second chairing international arbitration cases, litigating in the areas of copyrights and trademarks, preparing and prosecuting U.S. electrical engineering patent applications, drafting patentability, freedom-to-operate and non-infringement opinions, as well as patent interference in the area of biotechnology. He also represents clients in patent negotiations, licensing and overall intellectual property strategy. David has been quoted in various business and technology publications including The New York Times. He has written and lectured on Hatch-Waxman/ Abbreviated New Drug Application (ANDA) litigation, standard essential patents, FRAND/ RAND royalties, Internet software applications, stem cell gene therapy, and U.S. patent law. Prior to his legal career, David worked in product management at Internet startups focusing on developing online collaborative communications platforms. David also previously led the product management team for a real-time PCR DNA detection product line and co-developed the first online problem sets at Stanford University. David has been recognized as a top 50 California Lawyer on the Fast Track by The Recorder, Super Lawyer in Intellectual Property Litigation, and Best Lawyer Under 40 by the National Asian Pacific American Bar Association. David is fluent in spoken Taiwanese and Chinese Mandarin and represents over 30 leading Taiwan, China and Korea based companies.

Practice Areas
    Patents
    Patent Appeals, Patent Litigation, Patent Prosecution
    Antitrust Law
    Intellectual Property
    Business Law
    Business Contracts, Business Dissolution, Business Finance, Business Formation, Business Litigation, Franchising, Mergers & Acquisitions, Partnership & Shareholder Disputes
Jurisdictions Admitted to Practice
California
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9th Circuit
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Federal Circuit
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Languages
  • Chinese: Spoken
Professional Experience
Partner
Pillsbury Winthrop Shaw Pittman LLP
- Current
Partner
Vinson & Elkins LLP
-
Partner/Counsel
Perkins Coie LLP
-
Education
Harvard University
B.A.
Harvard University Logo
Stanford University
M.S.
Stanford University Logo
Santa Clara University School of Law
J.D.
Santa Clara University School of Law Logo
Awards
Super Lawyer
Super Lawyers
Best Under 40
National Asian Pacific American Bar Association
Top 5 Associates To Watch In California
Daily Journal
Top 50 On The Fast Track
The Recorder
Inaugural Young Alumni Rising Star Award
Santa Clara University School of Law
Rising Star
Super Lawyers
Rising Star
Super Lawyers
Rising Star
Super Lawyers
Barrister of the Year
Santa Clara County Bar Association
Rising Star
Super Lawyers
Rising Star
Minority Bar Coalition
Outstanding Subcommittee Chair
ABA Section of Litigation
Professional Associations
Bar Association of San Francisco JDC
Board of Directors
- Current
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Asian American Bar Association (AABA)
Board of Directors
- Current
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Law Alumni Board of Directors
- Current
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Silicon Valley Intellectual Property Law Association (SVIPLA)
Immediate Past President, Board of Directors
- Current
Activities: President, 2012-2013; VP, 2011-2012, Secretary, 2010-2011, Treasurer, 2009-2010; Program Chair, 2008-2009
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California State Bar  # 244479
Member
- Current
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AIDS Legal Referral Panel
Board of Directors
-
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Bar Association of San Francisco (BASF)
Board of Directors
-
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American Bar Association
Section of Litigation Committee Co-Chair
-
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BASF Barristers Club
Board of Directors
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Activities: Diversity Director, 2009-2010
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Bay Area Lawyers for Individual Freedom (BALIF)
Co-Chair, Board of Directors
-
Activities: Co-Chair, 2009-2011, Treasurer, 2007-2009
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Minority Bar Coalition
Co-Chair
-
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Santa Clara County Bar Association
Board of Directors
-
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Publications
Articles & Publications
Google Scholar: A New Way to Search for Cases and Related Legal Publications
The Bar Association of San Francisco
Websites & Blogs
Website
Website
Contact & Map
Pillsbury Winthrop Shaw Pittman LLP
Four Embarcadero Center
22nd Floor
San Francisco, CA 94111-5998
Telephone: (415) 983-1176
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