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Yoon & Yang LLC

Yoon & Yang LLC


18th, 19th, 22nd, 23rd, 34th Fl, ASEM
Tower, 517 Yeoungdong-daero,
Seoul 06164
Korea 135-798
Tel: +82 2 6182 8512
Fax: +82 2 6003 7015

Jun Sang Lee

Young Shin Um

Sam Kim


Established in 1989, Yoon & Yang LLC is one of Korea’s premier full-service law firms. Our clients rely on the exceptional service we deliver from our offices in Seoul, Korea and Tashkent, Uzbekistan. We have over 340 professionals with in-depth knowledge and broad experience. Our veteran lawyers include former Justices of the Supreme Court, attorney generals and numerous key judges and prosecutors who have shaped the course of Korean judicial history. Mentored by illustrious veteran lawyers, our next generation of lawyers leads the way in providing cutting-edge legal services dedicated to our clients, that are shaping the legal landscape in Korea.

Our lawyers’ expertise, business acumen and close collaboration enable us to provide one-stop legal services to meet the needs of our diverse client base. We have vast experience in advisory, transactional, litigation, general corporate, antitrust and competition, banking, bankruptcy and restructuring, capital markets, corporate and M&A, corporate governance, defence procurement, energy, entertainment, financial regulation, government relations, intellectual property, international arbitration, international trade and investment, labour and employment, life sciences, litigation, maritime and admiralty, real estate, securities, tax and customs, telecommunications, media and technology, and white-collar criminal defence.