| 2012/2 - | Lecturer, "Business Law", Department of Business Administration, College of Management, National Taiwan University |
| 2007/2/1 - 2017/12/31 | Member of R&D Assessment Committee of National Chiao Tung University |
| 2005/12 | Lecturer, "Practice of Patent Litigations," Class of IP Litigations for Seeding Teachers, sponsored by the Taiwan Intellectual Property Training Academy |
| 2005/5/27 - 2007/5/26 | Consultant of Public Construction Commission, Executive Yuan |
| 2005/1/1 - 2005/12/31 | Honorary Consultant Attorney of Small and Medium Enterprise Administration, Ministry of Economic Affairs |
| 2003/10 - 2004/9 | Senior Attorney, Lee and Li (Patent Department) |
| 2000/10 - 2003/10 | Senior Attorney, Lee and Li (Hsinchu Office) |
| 1994/6 - 1999/7 | Associate, Lee and Li (Litigation Department) |
| 1990/4 - 1992/6 | Legal Specialist, Judicial Yuan (Chamber of Grand Justices) |
| 1989/7 - 1990/4 | Officer, Ministry of Foreign Affairs (Department of Treaty and Law) |
