Firm PROFILE
D&A LLC
Global 2026
Rankings
Leading firm in Global 2026
Ranked Departments
Ranked Departments
Ranked Individual
Ranked Individual
Top figures
297
Lawyers
183
Partners
2009
Established Year
Content provided by D&A LLC
Contributions and articles
1 Global Practice Guides
Overview
Provided by D&A LLC
D&A LLC is a premier South Korean law firm headquartered in Seoul, with 292 professionals. We provide comprehensive legal services across a broad range of practice areas, particularly including insolvency & restructuring, cross-border transactions and arbitration, finance, and election & regulation.
D&A is actively expanding into the global legal market. In May 2022, we became the first major Korean law firm to establish a consulting firm, D&A Advisory, Inc., in Washington, D.C.
Industry sectors (9)
- AI
- Blockchain
- Bio & Healthcare
- Defense Industry & Aerospace
- Entertainment (Game, Sports, Etc.)
- FinTech
- Public Sector Relations
- Shipping
- Technology, Media & Telecommunications (TMT)
Capabilities (14)
- Antitrust & Competition
- Banking & Finance
- Corporate/M&A
- Compliance
- Cross-Border Transactions/Arbitration
- Energy & Infrastructure
- Intellectual Property
- Labour & Employment
- Litigation
- Public Policy
- White Collar Criminal Defence
- Real Estate
- Restructuring & Insolvency
- Tax
Clients (12)
- Fair Trade Commission
- Hanjin Shipping
- Kiwoom Securities
- POSCO
- Hyundai Motor Company
- Korea Hydro Nuclear Power
- Samsung SDS
- KEPCO Engineering & Construction
- Shinhan Capital
- Korea Line Corporation
- Ministry of National Defense
- Eastar Jet
Key people
Provided by D&A LLC
Kyu Chul Lee
Managing Partner
Young-Ku Lee
Managing Partner
Jeong Ran Lee
Managing Partner
Jong Sun Choi
Partner
Wangmin Lee
Partner
Mihyun Park
Partner
Jung Dong Kim
Partner
Woorin Sung
Partner
Heejin Kim
Partner
Media
Provided by D&A LLC
Work & experience
Provided by D&A LLC
To address the rapidly evolving legal landscape, D&A has continuously developed innovative initiatives beyond traditional legal services. In response to heightened regulations on serious accidents, we established the Serious Accident Practice Group and launched the SAPA Certification (SCC) program. Through these initiatives, we have provided SAPA compliance consulting to approximately 250 companies, including POSCO, Korea Hydro & Nuclear Power, CJ Cheiljedang, Korean local governments and Ocado.
Notable work
Provided by D&A LLC
Representing a Korean State-Owned Power Generation Company in a KCAB International Arbitration
OngoingSouth Korea
D&A secured a complete victory in a nuclear component supply dispute against a Canadian supplier.
Securing a Landmark Supreme Court Decision on Copyright Protection for Golf Course Designs
2026CompletedSouth Korea
D&A won a Supreme Court decision finding that creative golf course designs may qualify for copyright protection.
Representing a Power Equipment Manufacturer in Foreign Trade Act-Related Criminal Proceedings
OngoingSouth Korea
D&A won acquittals at trial and appeal by proving domestic processing was not mere processing despite no HS code change.
Ranked Offices at D&A LLC
Provided by D&A LLC
Ranked Departments at D&A LLC (3)
Ranked Individuals at D&A LLC (1)
South Korea
Jong Sun Choi
Intellectual Property
View profile
All Contributions (1)
Provided by D&A LLC
Top figures
297
Lawyers
183
Partners
2009
Established Year
Content provided by D&A LLC
What success is built on
Chambers is the leading data and intelligence partner for the legal sector.