
With capabilities spanning information security, environmental regulatory responses, and AI, the Yoon & Yang LLC team support clients on a variety of mandates. The practice group is led by experienced partner Kwang-Wook Lee, who specialises in issues relating to emerging technologies. Keun Woo Lee focuses on privacy protection and trade secrets protection. Sugyoung Yi‘s practice centres on broadcasting and communications mandates.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
‘Sugyoung Yi is a seasoned partner who provides pragmatic solutions, based on her rich experience from the tech regulators.’
Work highlights
Advising SK Telecom related to the personal information leakage accident
Representing Eugene ENT and Eugene Group in the litigation filed by YTN’s labor union which was against Eugene ENT becoming the largest contributor
Representing the top-three broadcasting companies (KBS, SBS, and MBC) in the litigation filed against JTBC for disposal of suspension of bidding
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Kwang-Wook Lee
Other key lawyers
Keun Woo Lee; Sugyoung Yi
