- Chinese counsel for Japan’s Organization for Small & Medium Enterprises and Regional Innovation.
- Chinese counsel, IP-DESK of KOTRA Beijing Office.
- Chinese IP dispute resolution expert, Korean Intellectual Property Protection Association.
- Chinese counsel, Korean BORN 2 Global Start-up Centre.
- Chinese counsel, Korean KOSCAP.
- Chinese counsel, Korean Franchising Industry Association.
- Chinese counsel, Gwangju Intellectual Property Centre of South Korea.
- Chinese counsel, Chongnam Intellectual Property Centre of South Korea.
- Chinese counsel, Korean Medical Tourism Press.
- Legal writer, Special Column of Investment in China and the Chinese IP Area, Korean Trade Weekly Press.
- Precautions against Technology Leak in China and Countermeasures against Bogus Products, at a symposium organized by Tokyo Small and Medium Business Investment & Consultation Co. Ltd., October 2007.
- IP Protection Strategy in Chinese Market, at a symposium organized by Gwangju Intellectual Property Centre of South Korea, November 2012.
- Coping Strategies of IP in FTA era between China and South Korea, at a meeting organized by Korea Agro-Fisheries & Food Trade Corp, October 2012.
- Guidelines of China’s Legal System of Franchise, at a meeting organized by Korea Franchise Industry Association, August 2013.
- Precautions on Patent Infringement Litigation, at a meeting organized by KOTRA, September 2013.
- Overseas Investment Guideline for Catering Enterprises (Guideline for Investment in China), written for Korea Franchise Industry Association, November 2013.
- Countermeasures against the Circulation of Chinese Bogus Products and Related Cases, at a meeting organized by KOTRA and Korea Intellectual Property Association, November 2013.
- Guideline for Korean Catering Enterprises’ Investment in China, at a meeting organized by Korea Franchise Industry Association, April 2014.
- Practical Legal Problems and Solutions Relating to Investment in China, at a symposium organized by Korean Kasan Patent/Law Firm, June 2014.
- Explanation of China’s New Trademark Law and Enforcement Regulations, at a meeting organized by KOTRA, June 2014.
- The Importance of Trademark Protection within the Territory of China and Solutions for Korean Enterprises, at a meeting organized by KOTRA Beijing Office, July 2014.
- Determination of China’s IP Strategy viewed from the Trademark Infringement Cases, at a meeting organized by KOTRA Qingdao Office, October 2014.
- Guideline for Investment in China, at a meeting organized by Korea Franchise Industry Association, November 2014.
- Legal Solutions for Chinese Internet Bogus Products, at a meeting organized by Korean Intellectual Property Association, November 2014.
- China’s Law of Franchise and Solutions for Trademark Disputes, at a meeting organized by the Korean Institute of New Venture Strategies, February 2015.
- In a symposium organized by Lifang & Partners for Japanese enterprises in Beijing, Mr Han, along with Mr Xie of Lifang, introduced enforcement trends regarding the Anti-Monopoly Law, April 2015.
- Legal Analysis for How to Enter Medical Market in China, at a meeting organized by China-Korea Medical Industry CEO Association in Shanghai, 5 June 2016.
- Legal System and Precaution on Investment in China, at a meeting organized by Korea Future GLOBAL Entrepreneurship Support Centre, 21 September 2017.
- Practical Problems Relating to Contracts About Chinese Business, at a meeting organized by Korea Future GLOBAL Entrepreneurship Support Centre, 27 September 2017.
- Legal Solutions for Intellectual Property Disputes in China, at a meeting organized by Korean Invention Association in Seoul, 21 November 2017
- Introduction to Legal System of Investment in Korea, at a meeting organized by Lifang & Partners and Korea Chungbuk Economic Free Zone, 11 December 2017.
- Legal Solutions for Intellectual Property Disputes in China(Trademark), at a meeting organized by the Korean Invention Association, 9 February 2018.
- Practical Legal Problems to Beauty Industry Investment in China, at a meeting organized by Sookmyung Women's University in Korea, 9 February 2018.
- Legal Solutions for Intellectual Property Disputes in China(Patent), at a meeting organized by Korean Invention Association in Seoul, 22 February 2018.
- Development and Coping Strategies of Intellectual Property Disputes in China, at a meeting organized by Korean Invention Association in Busan, 12 April 2018.
- Trends and Procedure of Intellectual Property Litigation in China, at a meeting organized by Korean Invention Association in Seoul, 19 April 2018.
- Practical Legal Problems to Intellectual Property Litigation in China, at a meeting organized by Korean Invention Association in Seoul, 29 May 2018.
- Latest trends and Coping Strategies of intellectual property in China, at a meeting organized by the Korean Invention Association in Jeonju, 17 July 2018.
- Cases and Legal Solutions for Circulation of Fake Commodities, at a meeting organized by Korean Clothing Association in Seoul, 8 August 2018.