Choe, Jeong Yeol
Practice Areas
Introduction
Mr. Jeong Yeol Choe is a partner at Yulchon. Mr. Choe directs overall patent cases and represents clients for civil, administrative and criminal cases relating to patents as well as general litigations. Before joining Yulchon, Mr. Choe served as a judge for 21 years at the Patent Court of Korea and at several district courts, including the district courts of Seoul, Incheon, and Kunsan. During his three year tenure as a judge at the Korean Patent Court, he gained extensive experience in a wide range of intellectual property cases. Mr. Choe authored the trademark section of the Patent Trial Practice Guidelines and co-authored books, such as “New Principles of Patent Law” and “Entertainment Law.” He has also published a large number of articles covering areas of IP, information technology, and entertainment. Mr. Choe also served as a lecturer at various institutions, including the Judicial Research and Training Institute, where he gave lectures on a wide range of intellectual property related topics to trainees, attorneys, and judges. In addition, Mr. Choe was a member of the board of bar examiners for the Korean Patent Bar and an expert appraiser at the Korean Copyright Commission. Mr. Choe was the president of the Korean Intellectual Property Lawyers’ Association (KIPLA) which was founded in 2014. Mr. Choe is also an active arbitrator at the Korean Commercial Arbitration Board. Mr. Choe is a graduate of Seoul National University and attended George Washington Law School as a visiting scholar. Having written several dissertations on copyright and patent law, Mr. Choe brings invaluable legal knowledge and experience to Yulchon LLC.
- 1995 Visiting Scholar at George Washington University Law School
- 1988 Judicial Research and Training Institute, the Supreme Court of Korea
- 1986 Seoul National University, LL.B.
- 2009-present Yulchon LLC
- 2020-present Commissioner, Korea Medical Dispute Mediation and Arbitration Agency
- 2019-2021 President, Korea Intellectual Property Lawyers Association
- 2019-2021 Judicial Administration Advisor, Patent Court of Korea
- 2018-present Civil Mediation Member, Patent Court of Korea
- 2018-present Appraisal Member, Korea Copyright Commission
- 2018-present Member, Financial Committee of Seoul National University
- 2018-present Director, Intellectual Property Society
- 2017-present External Director, SV Investment Corporation
- 2017-present Mediator, Chair, Content Dispute Resolution Committee of the Korea Creative Content Agency (KOCCA)
- 2009 Admitted to Patent Bar , Republic of Korea
- 1988 Admitted to Bar , Republic of Korea
Korean, English, Japanese
Representative Matters
- 2022 Successfully represented company S in a lawsuit filed against it regarding unfair competition due to use of similar product and online store design
- 2021 Successfully represented Chung Ho Nais and prevailed in a patent invalidation lawsuit filed by Coway regarding patent for a water purifier and ice maker
- 2021 Successfully represented company P in a lawsuit against its former employee seeking compensation for employee invention
- 2021 Successfully represented Corning Incorporated against AGC Corporation in a patent invalidation trial regarding strengthened glass patent
- 2021 Successfully represented IT company D in a trademark invalidation trial and in a lawsuit for cancellation of the trial decision against a company that registered the same trademark as company D’s service name
- 2021 Represented Wips, a patent information search service provider, and prevailed in a damage suit against Wert Intelligence
- 2021 Advised company E on practical benefit from application for registration of the name of its professional sport team and the possibility of infringing upon prior trademarks
- 2021 Advised company S on how to file a patent infringement lawsuit against its competitor and how to make civil investigative demand to obtain evidence of patent infringement
- 2021 Advised Samsung Electronics on the possibility that a mirroring function of its new portable projector would infringe upon copyright
- 2021 Successfully represented Nine Elements, Chemisouls and Ok Hwa Lee in a preliminary injunction case regarding a method for manufacturing nicotine for electronic cigarette liquid
Awards/Recognition
- 2025-2026 Recommended, Licensing and Transactions, World Trademark Review (WTR) 1000
- 2024-2025 ICON, Korea's Top 100 Lawyers, Asia Business Law Journal
- 2024-2025 Leading Lawyer, Intellectual property, asialaw
- 2024-2026 Stand-out Lawyer, Thomson Reuters
- 2024-2026 Leading Partner, Intellectual Property, Legal 500
News/Publications
Unfair Competition Prevention Law (the 5th edition), Jinwonsa (Co-author) (2022)
Unfair Competition Prevention Law (the 4th edition), Jinwonsa (Co-author) (2020)
Unfair Competition Prevention Law (the 3rd edition), Jinwonsa (Co-author)(2019)
Unfair Competition Prevention Law (the 2nd edition), Jinwonsa (Co-author)(2017)
100 Selected Cases on Information Law Ⅱ, Pakyoungsa(2016)
Unfair Competition Prevention Law, Jinwonsa (Co-author)(2015)
The Internet at the Crossroads, Joongang Books (Co-author)(2012)
Case Study on Copyright Infringement of Remote Transmission of Television Program, Informedia Law, Book 15, Vol. 1(2011) download
Patent law commentary Ⅰ,Ⅱ, Pakyoungsa (Co-author)(2010)
Entertainment LawⅠ,Ⅱ, Jinwonsa (Co-author)(2008)
Exclusive Management Contract, Jinwonsa(2008)
Commentary on Bio-engineering and Patents, Patent Court(2008)
Commentary on Requirements of Indirect Infringement, Informedia Association(2008)
Issues in Trademark Infringement Litigation, Supreme Court Library(2007)
100 Selected Cases on Information Law I, Pakyoungsa (Co-author)(2006)
Essays on Korean Patent Law, Bubyoungsa (Co-author) (2005)
Internet and Protection of Privacy, Informedia Association(2002)
Protection of Information such as Programs on the Internet (including Database), Supreme Court Library(2001)
