Supreme Court of Taiwan, Law Clerk (1987-1993)
Reliance International Law Offices, Associate in Litigation Section (1993-1996)
Information Product Anti-Piracy Association (IPAPA), Trial Counsel (1993-2002)
Taiwan Association of Information Technology & Intellectual Property, Director (2002-2004)
Asia Patent Attorneys Association (APAA) Taiwan Group, Secretary General (2003-2006)
Lecturer of Seeding Teacher and Professional Training Academy, Intellectual Property Office.(2006-)
Taiwan Patent Attorneys Association, Secretary General (2010-2012)
Asia Patent Attorneys Association (APAA) Taiwan Group, Director (2018-2021)
