Ken-Ying Tseng



Ken-Ying Tseng specializes in mergers and acquisitions, personal data protection, e-commerce, the laws of the Internet, telecommunications, and technology. Having advised on various forms of merger and acquisition, she is experienced in resolving both legal and commercial issues. Ken-Ying's technology practices cover artificial intelligence, fintech, OTT, e-payment, P2P lending, sharing economy, domain names, e-signature, cybersecurity, e-trading, ICP, MOD, cable TV, and satellite TV. Ken-Ying also advises clients on corporate governance, general compliance, offshore and onshore listing, employment, and pharmaceutical-related matters.

Ken-Ying formed the Personal Data Protection Practice Group at Lee and Li in 2012 of which she currently heads, and she had been the head of the firm's M&A Practice Group for more than 10 years.

Ken-Ying acts as a special advisor of the Taiwan government with regard to personal data protection matters. She is a director of "National Information Infrastructure Enterprise Promotion Association", a member of the International Affairs Committee of "TWNIC", a director of the "Secured Online Shopping Association", and a supervisor of the "Taiwan Internet and E-commerce Association"

    Educational Background

    Harvard Law School (LL.M., 1998).
    National Taiwan University, Graduate Institute of Law (LL.M., 1995), Department of Law (LL.B., 1993).


    Mergers and Acquisitions,Personal Data and Privacy Protection,E-Commerce,Internet Law,Telecommunications,Fintech,Sharing Economy,OTT,E-Payment


    Member, International Affairs Committee of TWNIC (since 2012)
    Director, Secure On-line Shopping Association of Taipei City (Since 2012).
    Supervisor, Secure Online Shopping Association of Taipei City (2007 to 2011)
    Associate, Ablondi, Foster, Sobin & Davidow, U.S.A. (1998-1999)


    admitted 1996, R.O.C.; 1999, New York



    AI Global Media, 2019 Global Excellence Awards, the "Most Influential Woman in Personal Data Protection Law 2019 – Taiwan".
    Asialaw Leading Lawyer 2019, "Distinguished Practitioner" in Corporate and M&A.
    Asialaw Leading Lawyer 2018, a leading lawyer in Corporate/M&A and IT, Teleco & Media.
    IFLR 1000, Leading Lawyer, Highly Regarded, 2018.
    Leading Individuals, M&A, Asia Legal 500, 2019.



    The Preliminary Study of Regulation on Internet TV, Taipei Bar Association Journal, 2005
    The Legal Issues Regarding Electronic Signature on the Internet, Formosa Transnational Law Review, 1997
    The Legal Implications for Internet Banking, Taipei Bar Association Journal, 1996
    The Limitation of U.S. Sec. 301 by WTO Dispute Settlement Procedure, Formosa Transnational Law Review, 1995
    Domestic Subsidies Under WTO Rules, Journal of Trade Relief, 1994.

    Contact Information

    Taipei Office
    Telephone:+886-2-2763-8000 Ext.2179