Ruey-Sen Tsai


Ruey-Sen got his LL.B. degree from National Taiwan University and his LL.M. degree from Cornell Law School, and is qualified for practice in Taiwan as a lawyer, patent attorney and arbitrator.

He focuses his practice in trademarks, patents, copyrights, domain names trade secrets, trade dress and other intellectual property disputes, and has been recognized as one of the leading IP lawyers in Taiwan by several independent surveys.


    Cornell University, Law School (LL.M. 1991)
    National Taiwan University (LL.B. 1987)


    Trademark,Patent,Copyright,Trade Secret,Domain Name Dispute,Trade Dress,Unfair Competition,E-Commerce,Licensing and Litigation


    Assistant Professor, Institute of Technology Law, National Chiao Tung University
    Assistant Professor, Graduate Institute of Injury Prevention and Control, Taipei Medical University
    Committee, Intellectual Property Committee, Chinese National Federation of Industries
    Committee, Intellectual Property Committee, General Chamber of Commerce of the Republic of China
    Consulting Committee, Preparation Team of the Judicial Yuan (the authority in charge of judicial matters) for the Intellectual Property Court (the specialized court for IP litigations)
    Chairman, Non-Litigation Procedure Committee, Taiwan Bar Association
    Committee, Intellectual Property Committee, Taiwan Bar Association
    Panelist, Domain Name Dispute Resolution Provider, Science & Technology Law Institute, Institute for Information Industry
    Panelist, Domain Name Dispute Resolution Provider, Taipei Bar Association
    Chairman, Information and Copyright Committee, Taipei Bar Association


    admitted 1992, Attorney; 1992, Patent Agent; 2009, Patent Attorney, R.O.C. (Taiwan)

    Taipei Bar Association
    Hsinchu Bar Association
    Tainan Bar Association.


    電話:+886-2-2763-8000 Ext.2645