Yoon & Yang LLC is renowned for representing global industry leaders in matters involving market dominance abuse, cartels, mergers, resale price maintenance, and unfair business practices before the KFTC and international competition authorities. The team features experts with prior KFTC and judicial experience. Led by Sang Oh Jeon, who advises Korean conglomerates and multinationals on KFTC investigations concerning cartel cases, unfair trade practices, and violations of retail and franchise laws. Chul Ho Kim brings extensive expertise in healthcare and advises multinationals and domestic companies on cartels, market dominance abuse, and unfair trade practices, with a focus on business combinations and internal trading.
Legal 500 Editorial commentary
- Profile
Accolades
Client satisfaction
Testimonials
Collated independently by Legal 500 research team.
‘The team has extensive experience working with international clients on merger and compliance issues. Their team is well established and has good links with regulators.’
‘Paul Rhee knows how to take a proactive approach in serving his clients in South Korea and abroad.’
‘The firm has advised on antitrust matters relating to our investments, joint ventures and business collaborations. As a whole, the firm has impressed me with creative and practical advice on complex issues and a great relationship with the Korea Fair Trade Commission. The team has a deep bench of practitioners, from experienced partners to hard-working associates, as well as former senior officials from the Commission that can give us important insight into the thinking and practice of the Commission.'
‘I work primarily with Paul Rhee, a foreign attorney partner in the firm’s antitrust practice and has decades of antitrust experience. Paul is easy to work with and understands foreign client’s needs. Paul is diligent and extremely responsive. Paul tries to deliver positive results and is an advocate for us.’
‘This law firm has a strong Fair Trade team, which gives practical advice to customers.’
‘Yoon & Yang knows the core of the issues and provides accurate information and alternatives for clients to decide.'
Key clients
- Microsoft
- Qualcomm
- Samsung Group
- LG Group
- SK Group
- Hyundai Motor Group
- Korean Air
- Mirae Asset
- Hanwha
- British America Tobacco Korea
Work highlights
- Successfully represented IBK, effectively assisting in interviews and document submissions to significantly limit the investigation's scope relating to potential collusion on LTV ratios and loan interest rates following dawn raids in early 2023.
- Defended Wesang in the alleged collusion in setting delivery fees investigation.
- Represented Samsung SDI in leading to the Supreme Court dismissing the KFTC's appeal and finalising the High Court's ruling in favour of Samsung SDI.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Sang Oh Jeon
Other key lawyers
Paul S. Rhee; Chul Ho Kim; Young Min Kang; SB (Suakbuam) Hong; Chang Mo An