SOUTH KOREA Law and Practice Contributed by: Dongju Kwon, Chulgun Lim, Sejung Lee and Yoon Sun Kim, Yoon & Yang LLC
Yoon & Yang LLC is a full-service law firm with more than 500 attorneys and other profes - sionals based in Seoul, and overseas offices in Tashkent, Uzbekistan, Ho Chi Minh City and Hanoi. The IP practice group is composed of 27 attorneys and other professionals, and has abundant expertise in litigation and advisory services in all aspects of IP matters, with nota - ble experience in patent, copyright, trade mark
and trade secret misappropriation matters. The group also advises clients on how to capitalise their IP investments by auditing and analysing IP, establishing IP management strategies and creating strategic alliances. The firm’s major clients include global industry leaders, such as Qualcomm, SK Hynix, Hyundai Steel, Visa In - ternational, Alibaba, ASML, Toyota, Mitsubishi, Dyson, Adidas, Reebok and the PGA Tour.
Authors
Dongju Kwon is a partner and head of the IP practice group at Yoon & Yang. His main practice area is IP litigation and dispute resolution, with a focus on the healthcare sector, including
Sejung Lee is a partner at Yoon & Yang, and specialises in advisory services and litigation on IP and antitrust matters. She has successfully represented major Korean and overseas
pharmaceuticals and biotechnology. He was admitted to the Korean Bar in 1994 and served as a chief judge and presiding judge for more than 20 years. He has extensive experience and excels in crafting logical arguments and presenting relevant evidence in consideration of the judges’ perspectives. Dongju’s clients include SK Innovation, SK Chemicals and Hanmi Pharma.
companies in numerous trade mark, copyright, trade secret and patent cases. Sejung has also worked on prominent cases involving the intersection of IP and antitrust issues, including several abuse of dominance cases, involving standard essential patents. She is a member of the Korean and New York Bars and is widely published.
Yoon Sun Kim is a partner/ senior foreign attorney at Yoon & Yang. Her main practice areas are IP and corporate/M&A, and she has handled various trade mark, copyright, trade secret
Chulgun Lim is a partner at Yoon & Yang. His practice focuses on litigation relating to intellectual property, and he has further expertise in big data, artificial intelligence,
and other IP matters for major domestic and multinational corporations. She earned her JD at the University of Pennsylvania Law School and her BA (with Distinction and Phi Beta Kappa) and MA at Stanford University, and is a member of the New York Bar.
autonomous driving, blockchain and metaverse practice areas. With approximately 20 years of experience, Chulgun has advised multinational companies and major domestic companies such as Siemens, Sakata Seed, Tsingtao Brewery and CJ Logistics.
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