- Arbitrator
- Patent Attorney
- Member, Domain Name Dispute Resolution Policy, Taiwan Network Information Center (TWNIC)
2016-2018 - Vice President, Taiwan Patent Attorneys Association
2014-2015 - Chairman, Cross-Strait Affairs Committee, Taiwan Patent Attorneys Association
2018 - Chairman, Intangible Assets Valuation Committee
1999-2002 - Supervisor, Taipei Bar Association
2004-2007 - Chairman, Trademark and Patent Committee, Taipei Bar Association
1999-2002 - Chairman, Legislative Amendment Committee, Taipei Bar Association
2000-2002 - Chairman, Committee on Law and Business of Lawyers, Taipei Bar Association