
With a team comprised of former judges and prosecutors, Yoon & Yang LLC‘s litigation practice is noted for its work for domestic corporations across various industries. Sang-Pil Lee covers litigation and arbitration in the fields of construction, international trade, and insurance, and Su Yeol Lee chiefly focuses on corporate litigation. The two co-lead the group. Seung Ku Hong draws from his experience as a judge, acting on a varied stream of civil and criminal litigation proceedings. Having formerly acted as a prosecutor, Sun Bong Lee concentrates on criminal cases. Seung Ryong Yoo is recommended for his work on white-collar crime cases, including financial and construction disputes, while Sue Yeon Woo represents clients in capital market and management right disputes.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge
Key clients
- SK Innovation
- Kolon Life Science
Work highlights
Defended a client in all instances of litigation with regards to HDC’s claims against Asiana Airlines for seeking a return of down-payment for the failed acquisition of Asiana Airline.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Sang-Pil Lee; Su Yeol Lee
Other key lawyers
Seung Ryong Yoo; Sue Yeon Woo; Seung Ku Hong; Sun Bong Lee

