Partner
Jongsoo (Jay) YOON
TMT
Expertise
Recently reviewed Professionals
Mr. Jongsoo (Jay) Yoon is a partner at Lee & Ko. His main practice areas include intellectual property rights, protection of personal information, internet, media content, broadcasting, information and communication, and entertainment. He also serves as Co-Head of the Digital Assets Center.
Education
| 2003 | The George Washington University - Visiting Scholar |
|---|---|
| 1989 | University of Seoul, Graduate School of Law - LL.M. |
| 1987 | Seoul National University, College of Law - LL.B. |
Work Experience
| 2016-Present | Lee & Ko |
|---|---|
| 2020-Present | Vice Chairman, Korea Association of Personal Data Professionals |
| 2020-Present | Member, Task Force Team for Crypto Currency Legislation |
| 2018-2020 | Member, Korea Block Chain Industry Association |
| 2018-Present | Vice Chairman, Blockchain Law Society |
| 2018-Present | Adviser, National Cyber Security Center |
| 2018-Present | Member, Supreme Court Justice Informationization Committee |
| 2017- Present | Co-chairman, Open Government Partnership Korea |
| 2016-2019 | Member, The Internet Address Policy Deliberation Committee |
| 2017 - Present | Chairman, Open Data Forum |
| 2016-Present | Member, Open Data Stratedy Council |
| 2016-Present | Member, e-Government Committee |
| 2015-Present | Adviser, Personal Information Protection Commission |
| 2015-2017 | Member, the Broadcasting and Communications Policy Representative Committee of the KCC |
| 2014-2016 | Shin & Kim |
| 2011-Present | Vice Chairman, Korea Association for InforMedia Law |
| 2011 - 2016 | Member, Content Dispute Resolution Committee |
| 2009-2014 | Member, Korea Copyright Commission |
| 2000 | Judge, Seoul Central District Court, Seoul Northern District Court, Seoul High Court |
| 1997 | Judge, Seongnam Branch of Suwon District Court |
| 1993 | Judge, Busan District Court |
| 1993 | Judicial Research &Training Institute, the Supreme Court of Korea |
Languages
| Korean and English |
Awards & Recognitions
| 2025 | Legal 500 Asia-Pacific 2025 edition:FinTech and Financial Services Regulatory, "Leading Partners" |
|---|---|
| 2019 | Korean Financial Regulators Advance Legislation to Introduce Regulatory Sandbox to Spark FinTech (2019, Legal 500) |
Publications / Presentations / ETC
- 'Copyright Reform Issues in the United States', Copyright Quarterly Vol. 109, Korea Copyright Commission, 2015
- 'the Pintech Era', Co-authored. 2015
- 'the ICT environment acceleration and the Neutrality Issues', Justice, Conference of Korean Jurists, 2014
- 'Issues of Data Protection Regulation in Korea', The American Lawyer, October 2014
- 'Several Issues of the Restrictions on Image Information Processing Device', Korean Association for Informedia Law, 2013
- 'Opening and Challenges of Public Data', Cyber Communication, 2013
- 'Judge begins to talk to the SNS', Co-authored with Research Group for Justice Informationization, 2012
- 'Hacking of Cyber Money and Liability Therefore', Incheon Legal Affairs, 2011
- 'A Study on Border Measures with respect to Intellectual Property Rights' Justice, Issue 12, Jurisdiction Development Foundation, 2010
- 'National Jurisdiction on the Internet and Cross-Border Application of Korean Laws', Study on Public Laws, Issue 1, Vol. 39, 2010
- 'Restrictions on the Internet Industry and Ways for Vitalization', Justice, Vol. 121, Conference of Korean Jurists, 2010
- 'Restrictions on Intellectual Property Rights in the Internet Era', Internet and Law III, Center of Technology and Law, Seoul National University, 2010
- 'Limitation of Liability of Online Service Providers and Obligation of Certain Forms of Online Services Providers to Take Technical Measures - The Soribada 5 Decision by Seoul High Court', Human Rights and Justice, 2009
- 'Changes in the Copyright Paradigm and Alternative Compensation System in the UCC Era', Justice, Vol. 106, Conference of Korean Jurists in commemoration of the 60th Anniversary of the Republic of Korea, 2008
- 'An Overview of the Personal Information Protection Act', Informedia Law, Issue 1, Vol. 13, 2008
- 'ISP's Liability for Distributing Pirated UCC', Press and Law, Issue 1, Vol. 6 Korean Society for Media Law, Ethics and Policy Research
- 'Web 2.0 and Copyright', KIISE's bulletin, Issue 10, Vol. 221, 2007
- 'International Standards for Restrictions on Intellectual Property Rights', Supreme Court Research Team for International Standards, 2007
- 'Study on the Status of the Broadcasting and the Webcasting in Copyright Law', Informedia Law, Issue 1, Vol. 11 2007
- 'Consideration on Neighboring Copyrights - Essential Consideration on Neighboring Copyrights and Response to Changes in Media Environment', Collection of Judicial Papers of Supreme Court Library of Korea, Volume 45, 2007
- 'Law and Evidence, the meanings and limits thereof', Nature and Science, 2006 Summer Issue, School of Natural Science, Seoul National University
- 'The Need and Limits of Internet Filtering', Internet and Law II, Center of Technology and Law, Seoul National University, 2005
- 'Major Amendment to the Personal Information Protection Act Passed by National Assembly', Legal 500, 2020
- 'Major Amendments to the Credit Information Act Passed by National Assembly', Legal 500, 2020
Related news
Press & Releases
Lee & Ko’s Digital Asset Center Featured in Seoul Economic Daily as “The First Year of Institutionalization for Virtual Assets Begins” 2026.01.04Press & Releases
[The Korea Economic Business Magazine] “The Lawyer of Lawyers” – Selected by Attorneys from Korea’s Seven Leading Law Firms 2025.08.25Press & Releases
[Yonhap News] “KRW-Based Stablecoins Should Be Regulated Like Electronic Currency” 2025.04.28Newsletter
Phased Corporate Access to Virtual Asset Markets 2025.02.28Press & Releases
[EDAILY] Unfair Trading Can Happen Unknowingly... Risk Management Needed Until Precedents Are Established 2024.10.24Press & Releases
[EDAILY] Lee & Ko Expands ‘Virtual Asset Regulation and Investigation Response Team’ 2024.09.12Press & Releases
[DigitalTimes] The Act on the Protection of Virtual Asset Users Takes Effect: Civil and Criminal Disputes Expected to Rise 2024.07.28Seminar/Event
Seminar on ‘the Implementation of the Virtual Asset User Protection Act and the Introduction of Spot ETFs for Virtual Assets: Challenges and Future Prospects’ 2024.07.18Newsletter
FSC Announces Guidelines on Determining NFTs’ Status as Virtual Assets 2024.07.04Press & Releases
[Chosun Biz] Lee & Ko Launches South Korea’s Largest Tech & AI Team 2024.04.22Awards Ranking
'Legal 500 Asia Pacific 2024' ranks Lee & Ko in the top tier in 15 practice areas 2024.01.18Newsletter
Amended Enforcement Decree of the Personal Information Protection Act of Korea 2023.09.26Press & Releases
[Financial News] Lee & Ko strengthens and reorganizes ‘Virtual Assets Investigation Response Team’ [Recent Developments] 2023.07.26Newsletter
Act on the Protection of the Virtual Asset Users (Audio Available) 2023.07.21Press & Releases
[Law Times] Jongsoo Yoon, Attorney at Lee & Ko, Exploring the Sustainable Adventure of a Lawyer Free from Prejudice 2023.06.04Press & Releases
[JoongAng Ilbo] [Law Firm] Traditional ‘Litigation Powerhouse’…Leading the Legal Industry with its Extensive Experience and Expertise – Lee & Ko’s Litigation Practice Group 2023.03.23Newsletter
Second Major Amendment to the Personal Information Protection Act Passed by National Assembly (III) 2023.03.16Seminar/Event
[Edaily] Lee & Ko Hosts Webinars on Amendments to the Personal Information Protection Act 2023.03.09Newsletter
Korea - The FSC’s Announcement of the Guidelines on Security Tokens 2023.03.09Newsletter
Second Major Amendment to the Personal Information Protection Act Passed by National Assembly (II) 2023.03.08