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张悳淳 律师

T.+82-2-3703-1830 F.+82-2-737-9091/9092
张悳淳 律师
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张悳淳 律师

张悳淳律师

T.+82-2-3703-1830 F.+82-2-737-9091/9092 E.ducksoon.chang@kimchang.com

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Areas of Expertise

Bio

Duck Soon Chang is an attorney at Kim & Chang. His principal practice areas include IP litigation, technology licensing, antitrust, and international arbitration.

Mr. Chang is currently the president of the Intellectual Property Training Institute of the Seoul Bar Association. He was an advisor on IP related policies at Korea Fair Trade Commission from 2011 to 2014, and he also served as an advisor to the Korea Trade Commission (an equivalent to the USITC) on IP matters from 2008 to 2011. In addition, he has been serving for more than 10 years as the outside director of MCM Corporation, Seoul, Korea. He now has more than 30 years of experience as an arbitrator for the Korea Commercial Arbitration Board.

Mr. Chang has been recommended as a Band 1 IP attorney for Korea by Chambers Asia since 2008 and has been selected as one of the world’s most preeminent patent lawyers by the International Who’s Who Legal every year since 2009. He was also recognized as "2024 Best Lawyer in Intellectual Property and Biotechnology" in the survey conducted jointly by The JoongAng Daily and KICA (Korea In-house Counsel Association).

Mr. Chang graduated from Seoul National University with a Bachelor of Laws degree and received an LL.M. degree from Harvard Law School. He is admitted to the Korean Bar and the Bars in the States of New York and California. He was a foreign attorney at Latham & Watkins from 1999 to 2000.

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Profile

Experience

Kim & Chang (2010-Present)

President, IP Training Institute managed by Seoul Bar Association (2009-Present)

Arbitrator, Korea Commercial Arbitration Board (1992-Present)

Neutral, WIPO Arbitration and Mediation Center (2015-Present)

External Director, Sungjoo D&D Inc. (MCM) (2014-Present)

Lecturer, “IP and Antitrust” Antitrust Law Training Institute of Seoul Bar Association (2017-2022)

Advisor on IP Related Policies, Korea Fair Trade Commission (2011-2014)

Committee Member, Statutes Interpretation Review Committee, Ministry of Government Legislation (2010-2017)

Committee Member, Korean Internet Address Dispute Resolution Committee (2010-2019)

Outside Counsel, Korean Ministry of Strategy and Finance (2009-2010)

Advisor on IP Matters, Korea Trade Commission (2008-2011)

Yoon & Yang LLC, Seoul (2006-2010)

Board Member, Korean Bar Association (2006-2008)

Member, MOU Compliance Review Committee, Korea Deposit Insurance Corporation (2003-2006)

Latham & Watkins, Los Angeles, California (1999-2000)

Outside Director, Yuhan Corporation, Seoul (1998-2001)

Head of International Affairs, Seoul Bar Association (1997-1999)

Director of International Affairs, Seoul Bar Association (1995-1997)

First Law Offices of Korea, Seoul (1992-2005)

Lecturer, International Intellectual Property Training Institute, Korean Intellectual Property Office (1992-1995)

Lewis D’Amato Brisbois & Bisgaard, San Francisco, California (1990-1991)

Central International Law Firm, Seoul (1985-1992)

Representative Activitiesshow

Awards

  • Best Lawyer, The JoongAng Lawyer Evaluation: Intellectual Property and Biotechnology (The JoongAng and Korea In-house Counsel Association, 2024)
  • Leading Practitioner, World Trademark Review (WTR) 1000 (2023-2025)
  • Leading Lawyer, Asialaw Leading Lawyers: Intellectual Property (Delinian, 2021-2024)
  • Leading Lawyer, Who’s Who Legal: Intellectual Property, Patents (Who’s Who Legal, 2021-2024)
  • Litigation Star, Benchmark Litigation Asia-Pacific: Intellectual Property (Delinian, 2020-2024)
  • Elite Practitioner, Asialaw Leading Lawyers: Intellectual Property (Euromoney, 2020)
  • Leading Lawyer, Who’s Who Legal: Korea, Intellectual Property (Who’s Who Legal, 2019-2024)
  • Patent Star, Managing IP Stars (Euromoney, 2018-2023)
  • Dispute Resolution Star, Benchmark Litigation Asia-Pacific: Intellectual Property (Euromoney, 2018-2019)
  • IAM Patent 1000 - The World’s Leading Patent Professionals (IAM, 2014-2024)
  • IP Star, Managing Intellectual Property (2014-2017)
  • Leading Individual, Chambers Asia-Pacific, Intellectual Property (Chambers and Partners, 2008-2025)
  • Leading Individual, Chambers Global, Intellectual Property (Chambers and Partners, 2008-2025)

Publications/Activities
    [Lectures] 
     
    • “One Year Unified Patent Court, where do we stand?”, UPC Conference 2024 (Bucerius Law School Hamburg, 2024.5.)
    • “Inspection proceedings - newest developments in Asia and Europe”, Asia Seminar 2024 (Meissner Bolte, 2024.3.)
    • “A Wide World of Secrets: Litigating Trade Secret Disputes Across Borders and Trends in Extraterritorial Jurisdiction,” Asia/Pacific Conference of ABA International Law Section (American Bar Association (ABA), 2023.10.)
    • “Intersections in International IP Law, Policy, and Practice”, International IP Practice - Virtual Seminar (Univ. of Illinois Chicago School of Law, 2021.10.)
    • “Evidence Collection in Civil Patent Infringement Litigation,” 2018 TIPA International Intellectual Property Litigation Conference (Taiwan Intellectual Property Office (TIPO), 2018.11.)
    • “Patent Disputes in Korea - Overview and Case Study,” Patente 2018 Conference (Management Circle AG, 2018.5.)
    • “Trends in International IP Litigation,” The HARVARD Law School Conference: Intellectual Property Law (HARVARD Law School, 2016.10.)
    • “Valuing SEPs Around the World: Are we any closer to a solution to determining ‘FRAND’,” The 16th Annual Sedona Conference on Patent Litigation (The Sedona Conference, 2016.10.)
    • “Global Patent Litigation: How and Where to Win,” Global IP Project (Global IP Project, 2015.1.)
    • “Consideration in Global Patent Wars,” 2014 IP Institute Conference (Cravath, Swaine & Moore LLP, NYU School of Law, 2014.12.)
     
    [Publications]
     
    • KIPO Begins Policing “Idea Theft” Unfair Competition (Co-author, International Law Office, 2019.1.) 
    • Chambers Global Practice Guide - Patent Litigation 2017: Korea chapter (Co-author, Chambers and Partners, 2017) 
    • Amended IP Rights Guideline Takes Effect (Co-author, International Law Office, 2016.6.) 
    • Patent Act Amended to Implement Patent Law Treaty (Co-author, International Law Office, 2015) 
    • Supreme Court Rejects KIPO’s Examination Practice for 3D Marks (Co-author, World Trademark Review Daily, 2015) 
    • GCR (Global Competition Review) Know-How - IP & Antitrust: Korea chapter (Co-author, Law Business Research, 2014.5.) 
    • Intellectual Property and the Internet: A Global Guide to Protecting Intellectual Property Online 2014 (Co-author, Globe Law and Business, 2014) 
    • International Copyright Law: A Practical Global Guide 2013, Korea chapter (Co-author, Globe Business Publishing Ltd., 2013) 
    • Intellectual Property in Electronics and Software: A Global Guide to Rights and Their Applications 2013, Korea chapter (Co-author, Globe Business Publishing Ltd., 2013) 
    • Intellectual Property & Antitrust 2010: Korea chapter (Co-author, Global Competition Review, 2010)

Education

    Harvard Law School (LL.M., 1990)

    Judicial Research and Training Institute of the Supreme Court of Korea (1984)

    College of Law, Seoul National University (LL.B., 1983)

Qualifications

    Admitted to bar, Korea, 1984; New York, 1991; California, 1991

Languages

Korean and English

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张悳淳
律师


T. +82-2-3703-1830      
F. +82-2-737-9091/9092      
  




Duck Soon Chang is an attorney at Kim & Chang. His principal practice areas include IP litigation, technology licensing, antitrust, and international arbitration.

Mr. Chang is currently the president of the Intellectual Property Training Institute of the Seoul Bar Association. He was an advisor on IP related policies at Korea Fair Trade Commission from 2011 to 2014, and he also served as an advisor to the Korea Trade Commission (an equivalent to the USITC) on IP matters from 2008 to 2011. In addition, he has been serving for more than 10 years as the outside director of MCM Corporation, Seoul, Korea. He now has more than 30 years of experience as an arbitrator for the Korea Commercial Arbitration Board.

Mr. Chang has been recommended as a Band 1 IP attorney for Korea by Chambers Asia since 2008 and has been selected as one of the world’s most preeminent patent lawyers by the International Who’s Who Legal every year since 2009. He was also recognized as "2024 Best Lawyer in Intellectual Property and Biotechnology" in the survey conducted jointly by The JoongAng Daily and KICA (Korea In-house Counsel Association).

Mr. Chang graduated from Seoul National University with a Bachelor of Laws degree and received an LL.M. degree from Harvard Law School. He is admitted to the Korean Bar and the Bars in the States of New York and California. He was a foreign attorney at Latham & Watkins from 1999 to 2000.






    Kim & Chang (2010-Present)

    President, IP Training Institute managed by Seoul Bar Association (2009-Present)

    Arbitrator, Korea Commercial Arbitration Board (1992-Present)

    Neutral, WIPO Arbitration and Mediation Center (2015-Present)

    External Director, Sungjoo D&D Inc. (MCM) (2014-Present)

    Lecturer, “IP and Antitrust” Antitrust Law Training Institute of Seoul Bar Association (2017-2022)

    Advisor on IP Related Policies, Korea Fair Trade Commission (2011-2014)

    Committee Member, Statutes Interpretation Review Committee, Ministry of Government Legislation (2010-2017)

    Committee Member, Korean Internet Address Dispute Resolution Committee (2010-2019)

    Outside Counsel, Korean Ministry of Strategy and Finance (2009-2010)

    Advisor on IP Matters, Korea Trade Commission (2008-2011)

    Yoon & Yang LLC, Seoul (2006-2010)

    Board Member, Korean Bar Association (2006-2008)

    Member, MOU Compliance Review Committee, Korea Deposit Insurance Corporation (2003-2006)

    Latham & Watkins, Los Angeles, California (1999-2000)

    Outside Director, Yuhan Corporation, Seoul (1998-2001)

    Head of International Affairs, Seoul Bar Association (1997-1999)

    Director of International Affairs, Seoul Bar Association (1995-1997)

    First Law Offices of Korea, Seoul (1992-2005)

    Lecturer, International Intellectual Property Training Institute, Korean Intellectual Property Office (1992-1995)

    Lewis D’Amato Brisbois & Bisgaard, San Francisco, California (1990-1991)

    Central International Law Firm, Seoul (1985-1992)






Awards

  •   Best Lawyer, The JoongAng Lawyer Evaluation: Intellectual Property and Biotechnology (The JoongAng and Korea In-house Counsel Association, 2024)
  •   Leading Practitioner, World Trademark Review (WTR) 1000 (2023-2025)
  •   Leading Lawyer, Asialaw Leading Lawyers: Intellectual Property (Delinian, 2021-2024)
  •   Leading Lawyer, Who’s Who Legal: Intellectual Property, Patents (Who’s Who Legal, 2021-2024)
  •   Litigation Star, Benchmark Litigation Asia-Pacific: Intellectual Property (Delinian, 2020-2024)
  •   Elite Practitioner, Asialaw Leading Lawyers: Intellectual Property (Euromoney, 2020)
  •   Leading Lawyer, Who’s Who Legal: Korea, Intellectual Property (Who’s Who Legal, 2019-2024)
  •   Patent Star, Managing IP Stars (Euromoney, 2018-2023)
  •   Dispute Resolution Star, Benchmark Litigation Asia-Pacific: Intellectual Property (Euromoney, 2018-2019)
  •   IAM Patent 1000 - The World’s Leading Patent Professionals (IAM, 2014-2024)
  •   IP Star, Managing Intellectual Property (2014-2017)
  •   Leading Individual, Chambers Asia-Pacific, Intellectual Property (Chambers and Partners, 2008-2025)
  •   Leading Individual, Chambers Global, Intellectual Property (Chambers and Partners, 2008-2025)

Publications/Activities

[Lectures] 
 
  •   “One Year Unified Patent Court, where do we stand?”, UPC Conference 2024 (Bucerius Law School Hamburg, 2024.5.)
  •   “Inspection proceedings - newest developments in Asia and Europe”, Asia Seminar 2024 (Meissner Bolte, 2024.3.)
  •   “A Wide World of Secrets: Litigating Trade Secret Disputes Across Borders and Trends in Extraterritorial Jurisdiction,” Asia/Pacific Conference of ABA International Law Section (American Bar Association (ABA), 2023.10.)
  •   “Intersections in International IP Law, Policy, and Practice”, International IP Practice - Virtual Seminar (Univ. of Illinois Chicago School of Law, 2021.10.)
  •   “Evidence Collection in Civil Patent Infringement Litigation,” 2018 TIPA International Intellectual Property Litigation Conference (Taiwan Intellectual Property Office (TIPO), 2018.11.)
  •   “Patent Disputes in Korea - Overview and Case Study,” Patente 2018 Conference (Management Circle AG, 2018.5.)
  •   “Trends in International IP Litigation,” The HARVARD Law School Conference: Intellectual Property Law (HARVARD Law School, 2016.10.)
  •   “Valuing SEPs Around the World: Are we any closer to a solution to determining ‘FRAND’,” The 16th Annual Sedona Conference on Patent Litigation (The Sedona Conference, 2016.10.)
  •   “Global Patent Litigation: How and Where to Win,” Global IP Project (Global IP Project, 2015.1.)
  •   “Consideration in Global Patent Wars,” 2014 IP Institute Conference (Cravath, Swaine & Moore LLP, NYU School of Law, 2014.12.)
 
[Publications]
 
  •   KIPO Begins Policing “Idea Theft” Unfair Competition (Co-author, International Law Office, 2019.1.) 
  •   Chambers Global Practice Guide - Patent Litigation 2017: Korea chapter (Co-author, Chambers and Partners, 2017) 
  •   Amended IP Rights Guideline Takes Effect (Co-author, International Law Office, 2016.6.) 
  •   Patent Act Amended to Implement Patent Law Treaty (Co-author, International Law Office, 2015) 
  •   Supreme Court Rejects KIPO’s Examination Practice for 3D Marks (Co-author, World Trademark Review Daily, 2015) 
  •   GCR (Global Competition Review) Know-How - IP & Antitrust: Korea chapter (Co-author, Law Business Research, 2014.5.) 
  •   Intellectual Property and the Internet: A Global Guide to Protecting Intellectual Property Online 2014 (Co-author, Globe Law and Business, 2014) 
  •   International Copyright Law: A Practical Global Guide 2013, Korea chapter (Co-author, Globe Business Publishing Ltd., 2013) 
  •   Intellectual Property in Electronics and Software: A Global Guide to Rights and Their Applications 2013, Korea chapter (Co-author, Globe Business Publishing Ltd., 2013) 
  •   Intellectual Property & Antitrust 2010: Korea chapter (Co-author, Global Competition Review, 2010)





Education

    Harvard Law School (LL.M., 1990)

    Judicial Research and Training Institute of the Supreme Court of Korea (1984)

    College of Law, Seoul National University (LL.B., 1983)


Qualifications

    Admitted to bar, Korea, 1984; New York, 1991; California, 1991


Languages
  •    Korean and English





知识产权 ,  公平交易 ,  企业并购 ,  保险 ,  国际仲裁和跨国诉讼 ,  商标 ,  反垄断诉讼 ,  知识产权纠纷 ,  产品责任·消费者索赔 ,  中国(IP) ,  元宇宙·区块链·数字资产 ,  反不正当竞争 ,  商业秘密·企业信息保护团队 ,  美国 ,  海外知识产权纠纷 ,  职务发明