Intellectual Property
Asia-Pacific Guide 2024 : South Korea
Band 2
About
Provided by Yoon & Yang LLC
Recent developments
In March 2023, the practice group hired Geonyoung Koh, a Korean attorney and former prosecutor as a partner in its IP practice area. Mr. Geonyoung Koh previously worked for eight years as a software engineer at the largest IT companies such as Pantech & Curitel and NHN Corporation before starting his prosecutor career. While working as a software engineer, he had an experience in developing search engine program. As a prosecutor, he also worked at cyber crime investigation department, the industrial technology crime investigation department and his main cases include cryptocurrency theft, hydrogen fuel cell technology leakage and OLED cleaning equipment technology leakage case.
In 2022, the firm recruited Kyu Woong Cho, a renowned technology, IP lawyer. While his tenure at the Korea’s prosecution office, he obtained expert knowledge in investigations of cyber-crime, leakage of technologies including trade secrets and intellectual properties. Before starting his legal career, he worked for Samsung SDI for ten years at its Central Research Center, Patent Strategy Team and Strategic Planning Team, during which he built first-hand experience in the energy industry including secondary cells. In particular, he has 37 patents registered in his name in Korea and abroad, including 12 U.S. patents in the sectors of secondary cells and fuel cells.
Chambers Review
Yoon & Yang climbs in the rankings this year on the basis of its increasingly sophisticated practice and strong support for its litigation abilities, especially in the IT and pharmaceutical sectors. The team services a domestic and multinational client base in respect of patent, trade mark, trade secret misappropriation and copyright infringement disputes. It is frequently instructed on cross-border IP litigation and also experienced in handling cases involving issues of competition law. Its client roster includes the SK Group, W-Scope and Toyota.
Work Highlights
- Yoon & Yang represented SK Chemicals in a patent infringement action brought by Novartis alleging SK Chemicals had infringed a patent relating to its Exelon Patch. The case addresses important issues relating to the territorial principle of patent rights and the retroactive validity of a patent with an extended term.
Notable Practitioners
Kim Wonil heads Yoon & Yang's IP practice group. He has particular expertise in advising on patent infringement, trade secret misappropriation and invalidation proceedings. He continues to serve a host of domestic and foreign clients in the pharmaceutical and technology sectors.
Ranked Lawyers at
Yoon & Yang LLC
South Korea
Members
Provided by Yoon & Yang LLC
Changkwon Kim
Chulgun Lim
Dong Hee Kang
Dongju Kwon
Head of Department
Hong Seok Choi
Sejung Lee
Yoon Sun Kim
Clients
Provided by Yoon & Yang LLC
Dyson Technology
E-mart
HITE Jinro
Hanmi Pharm
Hyundai Mobis
Kolon Life Science
Kumho Petrochemical
MedyTox
Merck Sharp & Dohme Corp.
Otis Elevator Company
REG Life Sciences
SK Chemicals
SK Innovation (SK ON)
SK Shipping
SK bioscience
SK hynix
Sumitomo Chemical
Toyota Motor Corporation
W-Scope
Yuhan Corporation