Yulchon LLC

Firm Profile

Rankings

Global

Awarded leading firm in Global 2026

Chambers and Partners

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Chambers and Partners

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Overview

Provided by Yulchon LLC

Chairman & Managing Partner: Seok Hoon Kang

Managing Partners: Doil Son, Yong Pyo Yeom

Number of fee earners: 700+

Languages: Korean, English, French, German, Spanish, Portuguese, Japanese, Chinese, Russian, Vietnamese, Burmese and Cambodian

Firm Overview:

Yulchon is a full-service law firm headquartered in Seoul, South Korea, advising on a full range of specialized practice areas, including corporate & finance, antitrust, tax, real estate & construction, dispute resolution, intellectual property & technology, and labor & employment. The firm was established in 1997 and has more than 700 professionals currently. In addition to its main offices in Seoul, Yulchon has six overseas offices in five jurisdictions and has 10 regional practice teams covering the world. The firm provides the highest quality of legal services to its clients around the globe including their most complex legal matters.

Main Areas of Practice:

Corporate & Finance:

Specialising in sophisticated transactional work, Yulchon’s corporate and finance group focuses on business objectives of the clients and employs a cross-disciplinary team approach to address those objectives efficiently and effectively.

■ Yulchon successfully advised CJ ENM acquiring a controlling stake of Million Volt animation studio

■ Yulchon successfully advised Unknown Worlds Entertainment, a U.S. Video Game Developer, in its Acquisition by Krafton

Contact: Young Su Shin; Jae Hyun Park

Emails: [email protected]; [email protected]

Antitrust/Competition:

Antitrust/Competition experts serve multinational clients with simultaneous multi-jurisdictional antitrust investigations and issues that require close coordination among counsel from each jurisdiction. The team has been recognised worldwide for representing clients both local and abroad in various high-profile cases.

■ Successfully defended Qualcomm in KFTC’s Abuse of Dominance Allegations

■ Successfully represented Microsoft in its acquisition of Activision Blizzard

Contact: Jeong Keun Yun

Email: [email protected]

Tax:

Comprised of over 60 tax experts, Yulchon’s tax group retains an exclusive team that handles legal services on tax controversy matters for foreign enterprises investing in Korea and Korean enterprises investing overseas.

■ Advised Mastern Investment Management on its investment in a US real estate development project

■ Successfully represented foreign financial institutions in education tax assessment litigation

Contact: Young Joon Chun; Kun Jai Kim

Email:[email protected]; [email protected]

Real Estate & Construction:

The real estate and construction group has experts in a wide variety of fields that can assist clients in every major sector of the real estate and construction industries. The group’s knowledge and systemic interdisciplinary approach enable Yulchon to develop innovative structures and creative solutions customised for the most complex and challenging real estate projects and disputes.

■ Provided legal advice for SK E&C and other related parties concerning a multi-billion dollar project thus the Yong-in Semiconductor Cluster Construction project

■ Represented Sejong City and won lawsuit seeking cancellation of imposition of phase 1 water supply charges on causer

Contact: Nam Ho Kim

Email: [email protected]

Dispute Resolution:

The dispute resolution group is made up of highly respected professionals who have considerable experience working in both the public and private sector. It takes on matters in an organic manner whereby attorneys work cooperatively and draw on the widespread specialist expertise within the firm.

■ Successful Representation of Mirae Asset and Its Affiliates in a Landmark USD 5.8 Billion Dispute

■ Important Victory for Shinhan Investment Corp. in an Action Claiming Damages Regarding Investment in Leveraged Crude Oil Futures ETN

Contact: Jae Keun Lee; Jung Han Oh

Email:[email protected]; [email protected]

IP & Technology:

Our IP & Technology provides a full range of legal and policy advice to clients in traditional technologies and emerging technologies (including AI, blockchain, big data, data privacy, fintech, e-commerce and digital healthcare, collectively “Technology”), energy, and environment (including ESG).

■ Yulchon represented HiCon Ltd., a Korean semi-conductor testing equipment manufacturer, and its CEO, Mr. Dong Weon Hwang, against Dallas-based Plastronics Socket Partners, Ltd. and Plastronics H-Pin, Ltd. in a rare defense jury victory in the Eastern District of Texas and received a 100% win on appeal to the US Court of Appeals for the Federal Circuit

■ Yulchon successfully defended KT Against Korea Communications Commission’s Investigation regarding Violations of ‘Telecommunications Business Act’

Contact: Doil Son

Email: [email protected]

Labour & Employment:

The labour and employment practice has served as advisor to major Korean companies on all aspects of employment-law. The team is able to offer comprehensive assistance with all aspects of individual and collective labour relationships, as well as representation in any disputes related thereto.

■ Successfully represented Kangwon Land in defending against unjust-dismissal lawsuits brought by hundreds of employees who were terminated due to corrupt hiring practices

■ Represented SK Hynix before the Supreme Court in litigation over whether certain profit-sharing bonuses should be counted in calculating employees’ statutory severance benefits

Contact: Sang Wook Cho

Email: [email protected]

Ranked Offices

Provided by Yulchon LLC

Address (A-Z)

South Korea - Head office

Seoul

Parnas Tower 38F 521 Teheran-ro Gangnam-gu , Seoul, Seoul, South Korea, 06164, Seoul

www.yulchon.com

+82 2 528 5200

Chambers Laurel

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Contributions

Latest contributions provided by Yulchon LLC

Global Practice Guide
Sang Wook Cho
Soojung Lee
Tae Eun Lee
Christopher Mandel
Seung Hyun Lee
Authored by
Sang Wook Cho, Soojung Lee, Tae Eun Lee, Christopher Mandel, Seung Hyun Lee
Article • Jan 2026
Global Practice Guide
Hyeon Jeong
Gun Kim
Tehyok Daniel Yi
Kyu Hyun Kim
Sun Hee Kim
+3
Authored by
Hyeon Jeong, Gun Kim, Tehyok Daniel Yi, Kyu Hyun Kim, Sun Hee Kim and more
Article • Nov 2025
Global Practice Guide
Yun Jae Baek
Jae Hyong Woo
Seyoung Choe
Jeonghye Sophie Ahn
Authored by
Yun Jae Baek, Jae Hyong Woo, Seyoung Choe, Jeonghye Sophie Ahn
Article • Jul 2025

All contributions provided by Yulchon LLC

Sort by - Most recent
Title and authorsContent typePublication dateMedia type
International Arbitration 2025 | South Korea | Law and Practice
Authored by: Yun Jae Baek, Jeonghye Sophie Ahn, Hyunah Park, Seyoung Choe
Global Practice Guide Jul 2025 Article
Corporate Tax 2025 | South Korea | Law and Practice
Authored by: Hyeon Jeong, Kyu Dong Kim, Yong Whan Choi, Young Joon Chun
Global Practice Guide Mar 2025 Article

Yulchon LLC