Intellectual Property
Global Guide 2024 : South Korea
Band 2
About
Provided by Yoon & Yang LLC
Yoon & Yang's IP Practice Group handles a wide range of matters relating to patents, trade secrets, copyright and trademark disputes and prosecution. Work flows from all of IP areas are increasingly consistent between 2023 and 2024.
The Practice Group also houses prominent attorneys including Wonil Kim, Dongju Kwon, all of whom are senior partners in the Group. The two senior partners are well reputed by the clients for their active involvement in patents (Wonil Kim, Dongju Kwon) and trade secret (Wonil Kim) matters.
For junior partners, it is noteworthy to highlight Keun Woo Lee, Sejung Lee and Chang Woo Lee. Keun Woo is involved in the Firm's most high-profile trade secret and copyrights litigations. Keun Woo also retains three major broadcasting companies in his clientele. Sejung Lee and Chang Woo Lee are both experts in patent and trade secret issues. Sejung, who was successfully chosen as a “40 Under 40 in Asia” by Asian Legal Business currently handles SK Innovation-LG Chem's trade secret dispute and Qualcomm's patent related litigation in South Korea, both of which are among the most high-profile cases in the Korean IP market.
From an industry perspective, Yoon & Yang strongly holds its position as an IT powerhouse for IP matters, and the firm retains Qualcomm, SK Innovation, SK Hynix as its long standing clients and this trend still continues in 2024.
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
Chang Woo Lee
Dongju Kwon
Head of Department
Geonyoung Koh
Jeong Gyu Kim
Keun Woo Lee
Sejung Lee
Clients
Provided by Yoon & Yang LLC
Hanmi Pharm
Hyundai Mobis
JNTC
Kumho Petrochemical; Kumho P&B Chemicals; Kumho Trading
SK On
W-Scope