YOON&YANG

Dongju Kwon Partner

TEL 82 2 6003 7572
FAX 82 2 6003 7031
E-MAIL djkwon@yoonyang.com

Dongju Kwon is a partner at Yoon & Yang LLC. His main practice areas include intellectual property rights (50%) and corporate-related litigations (50%).
Mr. Kwon built abundant first-hand experiences in fact-finding and application of legal principles in the process of handling various cases concerning intellectual properties including patents, trademarks, designs, and trade secrets and corporate-related civil and criminal litigations for more than 20 years as a chief judge and presiding judge. Such experiences enable him to accurately understand major issues that determine results of litigations, which in turn helps him develop logical arguments in consideration of perspectives of judges and prepare and submit relevant evidence. Based on such strengths, he is capable of winning litigations by properly defending the interest of clients.

Experience

2018-present Yoon & Yang LLC
2023-present Senior Vice President, Korean Intellectual Property Lawyers Association
2023-present Member, Researcher Rights Protection Committee under the Ministry of Science and ICT
2021-present Member, Industrial Property Rights Legislation Advisory Committee, Korean Intellectual Property Office
2021-present Director, Korean Arbitrators Association, Inc.
2019-present Arbitrator, Korea Commercial Arbitration Board
2018-present Member, Special Committee of Judiciary Assessment, Seoul Bar Association
2018-present Member, Gyeongsangnam-do Strategic Project Planning Committee
2018-present Member, International/SME/Venture Sub-Advisory Committee, KOSDAQ Association
2017-present Lecturer, Course for technical investigators/technical examiners at the Judicial Research and Training Institute
2017-present Lecturer, Courses on litigations regarding intellectual property rights at the Judicial Research and Training Institute
2009-present Member, Civil Law Research Society, Special Law Research Society, Patent Law Society and Information Law Society of the Supreme Court
2018 Member, Editorial Board of the Collection of Papers Celebrating the 20th Anniversary of the Patent Court
2017-21 Commissioner, Personal Information Protection Commission under the Presidential Office (vice minister level)
2017-18 Member, Task force for International Trial Division of the Supreme Court
2017 Government delegate, 27th meeting of WIPO SCP at Geneva
2016-17 Advanced Intellectual Property Strategy Program of KAIST Graduate School of Future Strategy (1st -4th classes)
2016-18 Head of Intellectual Property Team (consisting of 25 judges specialized in intellectual property), International Rules Society of the Supreme Court
2016-18 Judge, Patent Court (collegiate court dedicated to invalidation and infringement of patent, etc.)
2016 Member, Task Force for Research on Justification of Patent Lawsuit under the Office of Court Administration
2015 Member of steering committee, Judges’ Council of Seoul High Court (Representative of 26th class of Judicial Research and Training Institute)
2012-14 Judge, Seoul High Court [collegiate court dedicated to international transactions (insurance, marine affairs)]
2010-12 Chairman, Chungju Election Commission
2010-12 Chief Judge, Chungju Branch of Cheongju District Office (Presiding Judge)
2009-10 Judicial Researcher, Supreme Court (Intellectual Property Right Team)
2008-09 Judge, Seoul High Court
2007-08 Judge, Seoul Southern District Court
2006 Government delegate, Vienna Conference of the UNCITRAL Working Group 2
2006-09 International Litigation and Arbitration Team, International Rules Society of the Supreme Court
2004-07 Judge, Jinju Branch of Changwon District Court
2002-04 Judge, Seoul Central District Court
2000-02 Judge, Incheon District Court
1997-00 Judge Advocate, Republic of Korea Air Force

Education

2015 Advanced Construction Project Management Program of Seoul National University College of Engineering (12th)
2014 Advanced Industrial Strategy Program of Seoul National University College of Engineering (52nd)
2013 Seoul National University, Professional Legal Research Program (Fair Trade)
2008 University of Virginia School of Law, LL.M.
1997 Judicial Research and Training Institute
1992 Korea University College of Law, LL.B.

Representative Matters

Represented SK Innovation Co., Ltd. in the case involving the petition for injunction against trade secret infringement, the petition for affirmation of non-existence of damages claim, and the petition for damages compensation
Represented SK Chemicals in the case of invalidation of registration relating to “Joins Tab.”
Represented Hite Jinro Co., Ltd. in the case involving the claim for affirmation of the scope of passive right and claim for adjudication on invalidation
Represented Kolma Pharma in the case of injunction against patent infringement relating to “Cilostazol”
Represented Liquid Incorporated in the case of revocation of adjudication relating to keratin treatment form and method
Represented Bounce Co., Ltd. in the case of trademark registration invalidation
Represented KB Life Insurance in the case involving preliminary injunction against patent infringement
Represented Hanmi Pharma in the case of preliminary injunction against patent infringement relating to “Nocotine Tab.”
Represented Genesis BBQ Co., Ltd. in the case seeking injunction against copyright infringement
Represented Hanmi Pharma in the case of injunction against patent infringement relating to “Solifenacin”
Represented SK Innovation Co., Ltd. in the case involving the petition for injunction against trade secret infringement, the petition for affirmation of non-existence of damages claim, and the petition for damages compensation
Represented SK Chemicals in the case of invalidation of registration relating to “Joins Tab.”
Represented Hite Jinro Co., Ltd. in the case involving the claim for affirmation of the scope of passive right and claim for adjudication on invalidation
Represented Kolma Pharma in the case of injunction against patent infringement relating to “Cilostazol”
Represented Liquid Incorporated in the case of revocation of adjudication relating to keratin treatment form and method
Represented Bounce Co., Ltd. in the case of trademark registration invalidation
Represented KB Life Insurance in the case involving preliminary injunction against patent infringement
Represented Hanmi Pharma in the case of preliminary injunction against patent infringement relating to “Nocotine Tab.”
Represented Genesis BBQ Co., Ltd. in the case seeking injunction against copyright infringement
Represented Hanmi Pharma in the case of injunction against patent infringement relating to “Solifenacin”
Represented SK Innovation Co., Ltd. in the case involving the petition for injunction against trade secret infringement, the petition for affirmation of non-existence of damages claim, and the petition for damages compensation
Represented SK Chemicals in the case of invalidation of registration relating to “Joins Tab.”
Represented Hite Jinro Co., Ltd. in the case involving the claim for affirmation of the scope of passive right and claim for adjudication on invalidation
Represented Kolma Pharma in the case of injunction against patent infringement relating to “Cilostazol”
Represented Liquid Incorporated in the case of revocation of adjudication relating to keratin treatment form and method
Represented Bounce Co., Ltd. in the case of trademark registration invalidation
Represented KB Life Insurance in the case involving preliminary injunction against patent infringement
Represented Hanmi Pharma in the case of preliminary injunction against patent infringement relating to “Nocotine Tab.”
Represented Genesis BBQ Co., Ltd. in the case seeking injunction against copyright infringement
Represented Hanmi Pharma in the case of injunction against patent infringement relating to “Solifenacin”
Represented SK Innovation Co., Ltd. in the case involving the petition for injunction against trade secret infringement, the petition for affirmation of non-existence of damages claim, and the petition for damages compensation
Represented SK Chemicals in the case of invalidation of registration relating to “Joins Tab.”
Represented Hite Jinro Co., Ltd. in the case involving the claim for affirmation of the scope of passive right and claim for adjudication on invalidation
Represented Kolma Pharma in the case of injunction against patent infringement relating to “Cilostazol”
Represented Liquid Incorporated in the case of revocation of adjudication relating to keratin treatment form and method
Represented Bounce Co., Ltd. in the case of trademark registration invalidation
Represented KB Life Insurance in the case involving preliminary injunction against patent infringement
Represented Hanmi Pharma in the case of preliminary injunction against patent infringement relating to “Nocotine Tab.”
Represented Genesis BBQ Co., Ltd. in the case seeking injunction against copyright infringement
Represented Hanmi Pharma in the case of injunction against patent infringement relating to “Solifenacin”
Represented SK Innovation Co., Ltd. in the case involving the petition for injunction against trade secret infringement, the petition for affirmation of non-existence of damages claim, and the petition for damages compensation
Represented SK Chemicals in the case of invalidation of registration relating to “Joins Tab.”
Represented Hite Jinro Co., Ltd. in the case involving the claim for affirmation of the scope of passive right and claim for adjudication on invalidation
Represented Kolma Pharma in the case of injunction against patent infringement relating to “Cilostazol”
Represented Liquid Incorporated in the case of revocation of adjudication relating to keratin treatment form and method
Represented Bounce Co., Ltd. in the case of trademark registration invalidation
Represented KB Life Insurance in the case involving preliminary injunction against patent infringement
Represented Hanmi Pharma in the case of preliminary injunction against patent infringement relating to “Nocotine Tab.”
Represented Genesis BBQ Co., Ltd. in the case seeking injunction against copyright infringement
Represented Hanmi Pharma in the case of injunction against patent infringement relating to “Solifenacin”
Represented SK Innovation Co., Ltd. in the case involving the petition for injunction against trade secret infringement, the petition for affirmation of non-existence of damages claim, and the petition for damages compensation
Represented SK Chemicals in the case of invalidation of registration relating to “Joins Tab.”
Represented Hite Jinro Co., Ltd. in the case involving the claim for affirmation of the scope of passive right and claim for adjudication on invalidation
Represented Kolma Pharma in the case of injunction against patent infringement relating to “Cilostazol”
Represented Liquid Incorporated in the case of revocation of adjudication relating to keratin treatment form and method
Represented Bounce Co., Ltd. in the case of trademark registration invalidation
Represented KB Life Insurance in the case involving preliminary injunction against patent infringement
Represented Hanmi Pharma in the case of preliminary injunction against patent infringement relating to “Nocotine Tab.”
Represented Genesis BBQ Co., Ltd. in the case seeking injunction against copyright infringement
Represented Hanmi Pharma in the case of injunction against patent infringement relating to “Solifenacin”
Represented SK Innovation Co., Ltd. in the case involving the petition for injunction against trade secret infringement, the petition for affirmation of non-existence of damages claim, and the petition for damages compensation
Represented SK Chemicals in the case of invalidation of registration relating to “Joins Tab.”
Represented Hite Jinro Co., Ltd. in the case involving the claim for affirmation of the scope of passive right and claim for adjudication on invalidation
Represented Kolma Pharma in the case of injunction against patent infringement relating to “Cilostazol”
Represented Liquid Incorporated in the case of revocation of adjudication relating to keratin treatment form and method
Represented Bounce Co., Ltd. in the case of trademark registration invalidation
Represented KB Life Insurance in the case involving preliminary injunction against patent infringement
Represented Hanmi Pharma in the case of preliminary injunction against patent infringement relating to “Nocotine Tab.”
Represented Genesis BBQ Co., Ltd. in the case seeking injunction against copyright infringement
Represented Hanmi Pharma in the case of injunction against patent infringement relating to “Solifenacin”
Represented SK Innovation Co., Ltd. in the case involving the petition for injunction against trade secret infringement, the petition for affirmation of non-existence of damages claim, and the petition for damages compensation
Represented SK Chemicals in the case of invalidation of registration relating to “Joins Tab.”
Represented Hite Jinro Co., Ltd. in the case involving the claim for affirmation of the scope of passive right and claim for adjudication on invalidation
Represented Kolma Pharma in the case of injunction against patent infringement relating to “Cilostazol”
Represented Liquid Incorporated in the case of revocation of adjudication relating to keratin treatment form and method
Represented Bounce Co., Ltd. in the case of trademark registration invalidation
Represented KB Life Insurance in the case involving preliminary injunction against patent infringement
Represented Hanmi Pharma in the case of preliminary injunction against patent infringement relating to “Nocotine Tab.”
Represented Genesis BBQ Co., Ltd. in the case seeking injunction against copyright infringement
Represented Hanmi Pharma in the case of injunction against patent infringement relating to “Solifenacin”
Represented SK Innovation Co., Ltd. in the case involving the petition for injunction against trade secret infringement, the petition for affirmation of non-existence of damages claim, and the petition for damages compensation
Represented SK Chemicals in the case of invalidation of registration relating to “Joins Tab.”
Represented Hite Jinro Co., Ltd. in the case involving the claim for affirmation of the scope of passive right and claim for adjudication on invalidation
Represented Kolma Pharma in the case of injunction against patent infringement relating to “Cilostazol”
Represented Liquid Incorporated in the case of revocation of adjudication relating to keratin treatment form and method
Represented Bounce Co., Ltd. in the case of trademark registration invalidation
Represented KB Life Insurance in the case involving preliminary injunction against patent infringement
Represented Hanmi Pharma in the case of preliminary injunction against patent infringement relating to “Nocotine Tab.”
Represented Genesis BBQ Co., Ltd. in the case seeking injunction against copyright infringement
Represented Hanmi Pharma in the case of injunction against patent infringement relating to “Solifenacin”
Represented SK Innovation Co., Ltd. in the case involving the petition for injunction against trade secret infringement, the petition for affirmation of non-existence of damages claim, and the petition for damages compensation
Represented SK Chemicals in the case of invalidation of registration relating to “Joins Tab.”
Represented Hite Jinro Co., Ltd. in the case involving the claim for affirmation of the scope of passive right and claim for adjudication on invalidation
Represented Kolma Pharma in the case of injunction against patent infringement relating to “Cilostazol”
Represented Liquid Incorporated in the case of revocation of adjudication relating to keratin treatment form and method
Represented Bounce Co., Ltd. in the case of trademark registration invalidation
Represented KB Life Insurance in the case involving preliminary injunction against patent infringement
Represented Hanmi Pharma in the case of preliminary injunction against patent infringement relating to “Nocotine Tab.”
Represented Genesis BBQ Co., Ltd. in the case seeking injunction against copyright infringement
Represented Hanmi Pharma in the case of injunction against patent infringement relating to “Solifenacin”
Represented SK Innovation Co., Ltd. in the case involving the petition for injunction against trade secret infringement, the petition for affirmation of non-existence of damages claim, and the petition for damages compensation
Represented SK Chemicals in the case of invalidation of registration relating to “Joins Tab.”
Represented Hite Jinro Co., Ltd. in the case involving the claim for affirmation of the scope of passive right and claim for adjudication on invalidation
Represented Kolma Pharma in the case of injunction against patent infringement relating to “Cilostazol”
Represented Liquid Incorporated in the case of revocation of adjudication relating to keratin treatment form and method
Represented Bounce Co., Ltd. in the case of trademark registration invalidation
Represented KB Life Insurance in the case involving preliminary injunction against patent infringement
Represented Hanmi Pharma in the case of preliminary injunction against patent infringement relating to “Nocotine Tab.”
Represented Genesis BBQ Co., Ltd. in the case seeking injunction against copyright infringement
Represented Hanmi Pharma in the case of injunction against patent infringement relating to “Solifenacin”
Represented SK Innovation Co., Ltd. in the case involving the petition for injunction against trade secret infringement, the petition for affirmation of non-existence of damages claim, and the petition for damages compensation
Represented SK Chemicals in the case of invalidation of registration relating to “Joins Tab.”
Represented Hite Jinro Co., Ltd. in the case involving the claim for affirmation of the scope of passive right and claim for adjudication on invalidation
Represented Kolma Pharma in the case of injunction against patent infringement relating to “Cilostazol”
Represented Liquid Incorporated in the case of revocation of adjudication relating to keratin treatment form and method
Represented Bounce Co., Ltd. in the case of trademark registration invalidation
Represented KB Life Insurance in the case involving preliminary injunction against patent infringement
Represented Hanmi Pharma in the case of preliminary injunction against patent infringement relating to “Nocotine Tab.”
Represented Genesis BBQ Co., Ltd. in the case seeking injunction against copyright infringement
Represented Hanmi Pharma in the case of injunction against patent infringement relating to “Solifenacin”

Awards

Leading Individual, Intellectual Property, Chambers and Partners Asia-Pacific (2025)
Litigation Star, Intellectual property, Benchmark Litigation Asia-Pacific (2024)
Best Lawyer, Intellectual Property, Korea Economic Business (2024)
Ministerial Commendation, Ministry of the Interior and Safety (2022)
Lawyer of the Year, Intellectual Property, Legal Times (2020)

Publications

Korea Chapter, Trade Secrets, Chambers Global Practice Guides, Chambers and Partners (Co-author, 2024)
Korea Chapter, Trade Marks & Copyright, Chambers Global Practice Guides, Chambers and Partners (Co-author, 2024)
Case Analysis of the Standard for Determining Nonobviousness of Crystalline Form of Medicinal Invention, Collection of Papers Celebrating the 20th Anniversary of the Patent Court (2018)
Interpretation of the Trademark Act, Center for Law and Technology of the SNU Law Research Institute, Pakyoungsa (2017)
Research on Method of Calculation of Damages in Patent Infringement Litigations in Different Countries, International IP Law Research Center of Patent Court (2017)
Harmonization of Litigations for Cancellation of Adjudications and Litigations for Infringement Concerning Patents, Etc., Intellectual Property Research Society of Patent Court, 2016)
Information Law Precedents 2, Korea Association for Informedia Law (2016)
Handbook for Practices of Litigations on International Transactions (Rev.), National Court Administration (2015)
Explanation of Employee Invention System, Patent Law Society (2015)
Purpose and Scope of Article 47(4)2 (Requirements for Independent Patent) of the Former Patent Law, Explanations of Supreme Court Case Precedents, Supreme Court Library (2012)
Cases of Recognition of “Level of Person Having Ordinary Skill in the Art” in U.S. Courts, Intellectual Property Community of Court (2010)
Major Case Precedents Concerning U.S. Intellectual Property Laws, Intellectual Property Community of Court (2009)
Handbook for Litigations Concerning Foreign Nationals, National Court Administration (2003)