Our Professionals

At DK Choi & Partners, our attorneys have experience in private, corporate, and government settings. Our attorneys are well versed in a wide variety of intellectual property issues within the context of real business world in the glob-alized society. Many of our professionals are multilingual and can communicate with our foreign clients effectively.

Dukkyu Choi, Managing Partner

DK Choi

Seoul National University, B.S., Textile and Polymer Engineering, 1980
Franklin Pierce Law Center M.I.P., 1988


Passed 23rd Korean Patent Bar
Managing Partner of DK Choi & Partners
Former Adjunct Professor at Kwangoon University, Kyunggi University, Sookmyung University, Yonsei University, Inha University
Instructor at Graduate School of International Legal Affairs at Kyung Hee University
Editor of Intelectual Property Law Journal "Creation and Rights" (Korean Journal)
Executive Director and Chairman of Research Council at Korean Intellectual Property Law Association


Korea Patent Attorneys Association
Asian Patent Attorneys
AIPPI Member
INTA Member


Patent Law, 3rd Edition, Sechang Publishing
Trademark Law, 3rd Edition, Sechang Publishing
Problems of Intelectual Property Right, Sechang Publishing
Beeter Country through Proper Road System, Sechang Publishing
Upgrade Your English
Various Other Publications and Journal Articles
* Titles are translated from Korean Language


Korean and English



Ezra Shin, Attorney at Law (US)


California Western School of Law, JD (2006)
Seoul National University, Industrial Engineering, Ph.D.(1999)
Seoul National University, Industrial Engineering, M.S. (1988)
Seoul National University, Industrial Engineering, M.S. (1986)


Passed Florida Bar Exam (2007)
Higgs, Fletcher & Mack, LLP
POSCO Research Institute
Korea Institue of Science and Technology (KIST)

Technical Specialties

Information and Communications Technology, Semiconductor, Computer Science, Electronics, Mechanical Engineering, Biotechnology


English, Korean, Japanese, and German



Howard Chunng, Patent Attorney (US)

DK Choi & Partners

University of California, Santa Barbara, B.A. (1998)
Whittier Law School, J.D. (2001)
University of California, San Diego, Professional Degree in Drug Discovery and Development
Glion Institute of Higher Education, M.B.A., 2016


Center for Intellectual Property Law Certificate Recipient
Patent Attorney-United States Patent and Trademark Office
Attorney at Law-State Bar of Connecticut
Steven Sears & Associates
Retirement Housing Foundation
OMelveny & Myers, LLP (Hudson Legal)
KDC Technology & Company
Howard Chung, Patent Agent
KDC Compounding Technology, Inc.
DK Choi and Partners
Hanol Intellectual Property and Law
Law Offices of Chung & Kim

Articles and Seminar

"Urgent Intellectual Property Protection," Korea Daily (2006)
Introduction to Design Patent (2007)
"Taking Advantage of US Patent System," Seminar at Korea Chemistry Research Institute (2011)
"Strategies to Consider in US Patent Application," Seminar at Hanmi Pharmaceutical (2011)

Technical Specialties

Biotechnology, Chemistry, Design


Korean, English