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Sung-Nam Kim

Work +82 2 6488 4066
Kim & Chang

Work Department

Trademark, Design, IP Litigation


Joining Kim & Chang in 1999, Sung-Nam Kim is a senior patent attorney. Ms. Kim's practice encompasses trademark, unfair competition and design in both prosecution and enforcement.

She served as a member of the Committee on Amendment to the Trademark Act for the Korean Intellectual Property Office from 2004 to 2010 and named as one of the leading trademark/design practitioners in Korea by World Trademark Review 1000 in 2013.

Her extensive knowledge of trademark/design law, careful case preparation, and skilled advocacy are valued by leading companies in a wide array of business sectors, including, sports, confectionary, food, cosmetic, entertainment, pharmaceutical, car industry and fashion and jewelry industries. As a member of the firm's Trademark/Design Practice, she was involved in successful defense of recognizable trademarks/designs before courts and the Korean Intellectual Property Office (KIPO). She regularly participates as a speaker at Korean trademark/design practice seminars.


Korean and English


Admitted to patent bar, Korea, 1998


University of Washington, School of Law (IP LL.M., 2005)
Ewha Women's University, College of Education (B.S., Biology, 1992)

South Korea: Intellectual property

Intellectual property – Local firms

Within: Leading individuals

Sung-Nam Kim - Kim & Chang

Within: Intellectual property – Local firms

Jay Young-June Yang leads Kim & Chang’s substantial and prominent IP practice, which remains the ‘top-choice’ for international pharmaceutical companies and international brands; the practice is well known for its strength in litigation and in a recent landmark case, Bo Hyun Park and Duck Soon Chang successfully defended Astellas Pharma against challenges to the patent term extension, the first Korean case in which the court issued specific guidance regarding the proper calculation method for determining the PTE term. Young Kim has an impressive track record in pharmaceutical patent litigation; she and Yu-Seog Won have defended one of Pfizer’s top-selling drugs, Lyrica, in various patent actions against generic companies. Sang-Wook Han is experienced in advising Japanese clients. For trade mark and design matters, Sung-Nam Kim, Ann Nam-Yeon Kwon, Angela Kim and John J Kim all have substantial experience in prosecution, enforcement and portfolio management. In patent litigation, Jong Seok Kim, Bong Seop Kim and Kum Uk Lee successfully represented AT Solutions in invalidating the patents of a competitor.

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