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Lee & Ko

Yong Seok Ahn

Yong Seok Ahn



  • Anti-Trust & Competition
  • Corporate
  • Mergers & Acquisitions

WSG Practice Industries


Yong Seok AHN is a partner who is in charge of competition law, M&A and general corporate practices at Lee & Ko. Since joining Lee & Ko in 1989, Mr. Ahn has represented many cases involving multinational companies which are related to Korean competition laws including cartel, merger filing, abuse of dominance and unfair trade practices before the Korean Fair Trade Commission. He continues to be very active in the field of M&A and has represented many multinational corporations in their acquisition of Korean companies. For reference purpose, he represented, among others, LG Electronics, Korean Air, Lotte, Electrolux, Disney, Ford, Wallenius Lines, Wilh. Wilhelmsen, Michelin, AXA, ITW, GE Healthcare, Pfizer, General Mills, Google, Hercules Chemical, Diageo, Microsoft, Elpida Memory, JP Morgan Chase, ABB, Samsung Thales, and Oman Oil.

“…Not only does he offer highly skilled legal expertise, but he is very devoted in the time and efforts he gives to meeting our needs…”
- Chambers and Partners, 2014 -

Bar Admissions

admitted to bar: 1985, Korea; 1995, New York


College of Law, Seoul National University (LL.B., 1984)
Judicial Research and Training Institute, Supreme Court of Korea, 1984-1985
Orientation in American Law Program, University of California, Davis and Berkeley, 1992
University of Michigan Law School (LL.M., 1995)
Areas of Practice

Anti-Trust & Competition | Corporate | Mergers & Acquisitions

Professional Career

Professional Associations

Korean Bar Association; Seoul Bar Association; New York State Bar Association

Professional Activities and Experience

Judge Advocate Officer, Korean Navy, 1986-1989
Zuckert Scoutt & Rasenberger, Washington, D.C., 1995

  • 'Recent developments in Korean antitrust law,' 2005 Asia Pacific Antitrust and Trade Review, April 2005'Reproduced with permission from Law Business Research. This article was first published in the Asia Pacific Antitrust and Trade Review 2005 - A Global Competition Review Special Report, (published in April 2005). For further information please visit www.GlobalCompetitionReview.com '

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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