Intellectual property: local firms

Yulchon

With a multidisciplinary practice that represents leading companies across various industries, Yulchon is a reliable firm for all matters concerning IP litigation and transactions. Heading the IP and technology group is Jeong Yeol Choe, who served as a judge for 21 years before joining the firm. Kyung Ae Yoon, a seasoned patent attorney, regularly handles patent strategic counselling, patent portfolio development, and licensing. Hyeong Joo Lim has ‘a very good understanding of new technologies’ and is recommended for cases involving trade secrets, technology leakage, and internal investigations. Ji Haeng Hwang is especially experienced with IP matters in the fields of electrical and computer engineering, while associate Min Ju Park has an in-depth knowledge of the pharmaceutical industry. Samuel Sungmok Lee, Da Woo Lee, and Min Seung Ku are also noted for the expertise they bring to the team.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

'The lawyers at Yulchon have a high level of expertise and a lot of work experience that clients need. Their work is high quality, and they always produce good results. Compared to other law firms, they perform business at a higher level
'Hyeong Joo Lim is one of the lawyers who have been working in intellectual property for a long time in Korea. He is of the top tier in terms of work experience and expertise. He has a very good understanding of new technologies and is passionate about explaining them well to clients.'
'Yulchon has excellent capabilities in intellectual property litigation.'
'Samuel Sungmok Lee took on the overall responsibilities for our case. With his expertise in the IP sector, he provided valuable legal advice from a technical perspective and skilfully crafted a strategy to counter the counterparty. His tenacious character made a significant impact on the case's outcome.'
'Yulchon's intellectual property team has excellent capabilities in trade secrets and technology leakage. The intellectual property team is led by lawyers from computer science or pharmacy. It has the advantage of having a high understanding of the company's technology and trade secrets. It also presents creative and professional opinions on disputes over new IT technologies such as AI and Metabus that have not existed before.'
'The IP field has a fast-paced atmosphere. Therefore, you have to follow and study the trends in order to stay professional. Yulchon's profound professionalism made it possible to design the next-step-roadmap of our business.'
'Compared to other big firms in Korea, Yulchon gives quite flawless legal counsel.'

Key clients

Samsung Group
Corning Inc.
Seoul Semiconductor Co., Ltd.
SK Group
Hanwha Group
Hyundai Group
LG Group
Daesang Corporation
Coupang Inc.
Pohang Iron and Steel Company (POSCO)

Work highlights

Represented Corning in multi-jurisdictional patent cases involving patents relating to strengthened cover glass used on more than 7 billion devices worldwide, including nearly every premium smartphone.
Representing the Korean Intellectual Property Office in an administrative suit filed against the Commissioner of KIPO seeking the validity of a patent application which named an AI as the inventor.
Represented GS Construction Co., Ltd., the fifth-largest construction company in Korea, in a trademark infringement case involving a pet name for luxury apartment complexes.