Yoon & Yang

South Korea

18, 19, 22, 23, 34F, ASEM Tower
517 Yeongdong-daero, Gangnam-gu
South Korea



Yoon & Yang LLC, with more than 420 attorneys and other professionals, is a leading full-service law firm in Korea. Since its establishment in 1989, Yoon & Yang has gained a reputation for providing premier quality legal services while adhering to the highest ethical standards. Committed to excellence and integrity, Yoon & Yang’s professionals are entrusted to handle the needs and challenges of the clients with creative and practical solutions, drawing upon our expertise and experience in a broad array of industries and legal practices.

Yoon & Yang’s Intellectual Property Practice Group, which has been an integral part of the firm, is comprised of 60 intellectual property professionals who are experienced in a variety of intellectual property areas. The Group has gained international reputation by winning a series of victories in high-stakes and high-profile cross border intellectual property disputes. The Group’s success in intellectual property litigation practice is attributable to a perfect match of a deep bench of senior lawyers, including the former Chief Judge at the Patent Court of Korea, who have committed to training junior lawyers and seasoned IP partners who have more than 20 years of experiences in all aspects of IP practice areas. The Group is also active in providing the full spectrum of intellectual property advice on all aspects of intellectual property transactions that involve patents, copyrights, trademarks, trade secrets, privacy, e-commerce, unfair competition and antitrust elements. 


Last updated 16th October 2019


  • “Tier 1” law firm in South Korea for both Patents and Copyright/Trademarks - ALB IP Ranking 2018 and 2019
  • “South Korea Firm of the Year” in IP - Asian-Mena Counsel In-House Community Survey 2015, 2016 and 2018
  • “Tier 2” law firm in South Korea in patent contentious, trademark contentious, trade mark prosecution and copyrights areas – MIP’s IP Stars 2016, 2017, 2018 and 2019
  • “Highly Recommended” firm in South Korea in IP - Asialaw Profiles 2013, 2014, 2015 and 2017
  • “Tier 2” law firm in South Korea in IP - Legal 500 Asia-Pacific 2013, 2014, 2015, 2017 and 2018