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Since establishing a “foreign legal consultant office” in Seoul* in 2012 following the opening of the Korean legal market, O’Melveny has ranked among the most active international law firms in the country, representing clients in sectors such as antitrust investigation, patent litigation, and mergers and acquisitions.

Indeed, our Seoul office was a natural outgrowth of the important work we handle for our Korean clients, providing us the space and technology to connect them with O’Melveny attorneys around the world. From defending Korean clients in high-stakes, US-based “make or break” intellectual property or class action litigation to navigating global antitrust and competition issues involving Korean parties to sophisticated M&A, restructurings, financings, and other corporate transactions in the Korea market, O’Melveny’s team offers the dedicated resources, deep experience, and breadth of service to achieve important goals for our clients, which include some of the most high-profile companies in Korea.

Renowned Korea practitioners Youngwook Shin and YongSang Kim are residents of the Seoul office. Hong Kong-based Jae Wan Chi is bringing unique experience and wisdom from decades of experience as in-house counsel at one of the world’s largest companies. Los Angeles-based partner Joseph Kim, Chair of O’Melveny’s Korea Practice, oversees the Korea practice and works closely with Seoul office attorneys as well as many other O’Melveny attorneys who work on Korea-related matters.

Practice Highlights

  • Nearly two dozen lawyers with many years of experience advising on some of the Korea market’s most complex and high-profile legal and business matters

  • Proven track record of helping clients succeed: we have worked with many of Korea’s largest and best-known companies to achieve landmark victories in multibillion-dollar international disputes and close strategically important cross-border acquisitions and financing transactions

  • Strong relationships and deep knowledge built over more than two decades of activity in the Korea market: we are part of the Korean business and legal community, and members of our team have experience serving on boards of Korean companies and as members of Korean governmental and non-profit organizations

  • Deep experience working with clients in a wide variety of industries, including technology, electronics, energy and energy equipment, manufacturing, airlines and transportation, entertainment and sports, and pharmaceuticals and life sciences.

* The Seoul office of O'Melveny & Myers LLP is a foreign legal consultant office approved by the Ministry of Justice of the Republic of Korea. Under the Foreign Legal Consultant Act of Korea, our Seoul office is only allowed to provide legal advice with respect to US law, with respect to treaties of which the United States is a party, and with respect to universally recognized customary international law. Our Seoul office is allowed to represent clients in international arbitration cases unless US law is not applicable. We work in cooperation with a number of Korean law firms. Should you require a legal opinion with respect to any Korean law matter, we would be happy to assist you in obtaining one from a Korean firm.

Advanced Micro Devices, Inc.

O'Melveny has provided global advice to client Advanced Micro Devices in relation to its antitrust battle against Intel. An important aspect of this global fight has taken place in Korea. O'Melveny worked with local counsel in Korea in an investigation of Intel's practices by the Korea Fair Trade Commission. Read

Asiana Airlines

O’Melveny represented Asiana Airlines in what that the US Court of Appeals for the Ninth Circuit called “a matter of first impression.” Read

Kumho Petrochemical

We defended Kumho Petrochemical in a complex patent litigation matter brought by Flexsys before the International Trade Commission. Read

Samsung

O’Melveny has defended Samsung in numerous patent infringement and antitrust matters over the years, including two consolidated patent infringement lawsuits involving dozens of Samsung’s flagship products and a multibillion-dollar price-fixing claim. Read

Samsung

We prevailed for Samsung Electro-Mechanics, Co. Ltd. in an important patent infringement trial before the International Trade Commission.

Read

Samsung Electronics Co. Ltd.

O’Melveny represented Samsung Electronics Co. Ltd. in its acquisition of NeuroLogica Corp., a medical imaging company. Read

SK hynix Inc.

O’Melveny helped SK hynix Inc. (formerly Hynix Semiconductor) obtain a favorable settlement in long-running patent and antitrust litigation with Rambus, Inc. The 13-year dispute involved litigation on two continents, in multiple trial courts, multiple appellate proceedings and litigation before multiple agencies.

Read
    • Asiana Airlines 
    • Celltrion Healthcare
    • CJ E&M
    • FILA 
    • Hyundai Heavy Industries 
    • Hyundai Mobis
    • Hyundai Motor Company 
    • KIA Motors
    • Kumho Petrochemical
    • NCSOFT
    • POSCO Energy
    • Samsung Electronics
    • SK Hynix