
Yoon & Yang LLC is well-equipped to handle arbitrations arising out of global transactions, in addition to energy and infrastructure mandates. Practice co-head Myung-Ahn Kim routinely handles HKIAC and ISDS arbitrations, and co-head Sam Kim, hailed by clients as a ‘star in the Korean arbitration world’, is recommended for his strong knowledge of construction and trade secret-related cases. Managing partner Junsang Lee is noted for his expertise in commercial and real estate disputes.
Legal 500 Editorial commentary
- Profile
Accolades
Client satisfaction
Testimonials
Collated independently by Legal 500 research team.
- 'Sam Kim is a star in the Korean arbitration world. He has stand up first chair experience and is analytically razor sharp.'
- 'Great team who really know their stuff. Give good practical and technical advice.'
- 'David Lee - his in-house experience helps him to understand exactly what the client wants in terms of strategic advice.'
Key clients
- LAM Fund II & III
- STX Engine Co., Ltd.
Work highlights
- Represented LAM Enhanced Trade Finance Fund II and III in HKIAC arbitration in a USD 500 million dispute involving an overseas hedge fund financing structure with the counterparties situated in Singapore and Cayman Islands. The firm is presently overseeing the enforcement of arbitral award.
- Represented the Republic of Korea in an investor state dispute filed by an alleged US investor relating to land expropriation for development.
- Represented STX Engine in an ICC arbitration and dismissed a third party joinder order before prevailing in the entirety of the substantive dispute.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Myung-Ahn Kim; Sam Kim
Other key lawyers
Joseph Lee; Junsang Lee