Professionals

Patent attorneys and technical experts with solid experience in electrical and electronic engineering, mechanical and metallurgical engineering, chemistry, and life sciences.

Patent Attorney

SEONG, Nak Hoon

CEO & Registered Patent Attorney

Graduate School of Advanced Science, Tokyo University, Japan
Head of the Korean Intellectual Property Office
Management Committee member of Gyeonggi-do Science and Technology Promotion Council
Representative patent attorney of Manmin International Patent Law Office
Passed the 24th Technical Examination
Japan Fuji Camera Patent Headquarters Training
Patent Office Clerk (Examiner)
52 patent-net advisory patent attorneys nationwide
Duksoo, Jeongnim, Namgang Patent Attorneys, Law Firm

KIM, Soo Dong

Registered Patent Attorney – Associate

Graduated from Seoul National University School of Law and Graduate School
Doctor of Economics at Hanyang University
Head of the Korean Intellectual Property Office
Director-General of the Bureau of Living and Industry
Administrator of the presidential office of economic affairs
Counselor of Manmin International Patent Law Office
Completed UCLA International Business
Former Commissioner of the Patent Office
Director of International Cooperation, Ministry of Commerce and Trade and the President’s National Science and Technology Adviser
POSCO Management Innovation Committee Advisory Committee Chairman

LEE, Soong Sil

Registered Patent Attorney – Associate

Yonsei University Doctor of Chemistry, Doctor of Science
Organic/Inorganic chemistry examiner at the Korean Intellectual Property Office
Nano Technology Research Association of the Patent Office
Evaluation committee member of the Korea Invention Promotion Association
Representative patent attorney of Manmin International Patent Law Office
Researcher in the Department of Inorganic Chemistry at KIST
Patent Office Examiner
Court expert hearing member
Partner patent attorney of Hanyang International Patent Corporation

PARK, Hyeonggeun

Managing Patent Attorney

B.S. in Metallurgical Engineering, College of Engineering, Yonsei University (1988)
Master's in intellectual property law, Franklin Pierce Law Center, USA (1995)
Completed the 2nd Advanced IP Management Program, Seoul National University School of Law (2012)
Passed the 30th Korean Patent Attorney Examination (1993)
Outside director, Korea Invention Promotion Association (2019–2021)
Partner patent attorney, Sunghwa International Patent & Law Office (Jul 2015 – Oct 2024)
Managing Patent Attorney, Manmin IP & Law Firm (present)
In-depth consulting for the G-IP Doctor program, Gyeonggi Technopark
Patent rights analysis support program, Gwangju Intellectual Property Center
Patent technology trend studies for KIPO and the Korea Intellectual Property Strategy Agency
Technology valuations for many companies, including Orion Corp. and Halla Encom
Valuation of all 659 industrial property rights held by LG Electronics in connection with its M&A with Philips
Technology analysis and database construction for the national technology transfer program, Korea Technology Transfer Center
Lecturer at Chonnam National University College of Engineering and Graduate School (2011), Hansung University (2015) and Soonchunhyang University (2016)
Lecturer, IP program for university professors (Korea Invention Promotion Association)
Advisor, Business Desk, Global Content Center, Ministry of Culture, Sports and Tourism (2011)
IP education lecturer for universities and graduate schools, Korea Invention Promotion Association (2012)
Advisor, Global Content Center, Korea Creative Content Agency (2012–present)
Co-author, Valuation of Companies and Technologies (with four others; published by Korea Technology Finance Corporation)
Co-author, Patent Education Handbook for IP Talent Development – The Patent System and Drafting Applications (published by KIPO and the Korea Invention Promotion Association)

CHOI, Bongmuk

Managing Patent Attorney

B.S. in Electronic Engineering, Konkuk University (1990)
Master's in Patent Law, Chungnam National University (2003)
Completed doctoral coursework in law, Hannam University (2020)
Deputy director and examiner, Computer / Electronic Devices Examination Division, KIPO (May 1997 – May 2007)
Administrative patent judge, 9th Board, Intellectual Property Trial and Appeal Board (May 2007 – Oct 2010)
Deputy director, Communications Examination Division, KIPO (Nov 2010 – Sep 2012)
Director, Power Technology Examination Division, KIPO (Sep 2012 – Dec 2013)
Director, Communication Network Examination Division, KIPO (Dec 2015 – Dec 2017)
Director, Education Operations Division, KIPO (Dec 2017 – Jan 2019)
Head of Government R&D, Korea Intellectual Property Strategy Agency (Feb 2019 – Feb 2022)
Managing Patent Attorney, Hallym Plus Patent & Law Office (Feb 2022 – Nov 2025)
Managing Patent Attorney, Manmin IP & Law Firm (Dec 2025 – present)
Strategy support program – Integrated collaboration-automation platform built on LCAP (Low-Code Application Platform) applications (Korea Intellectual Property Strategy Agency, 2023)
IP Star Scientist program – IP strategy for commercializing international metaverse standard technologies (Ministry of Science and ICT, 2024, 2025)
IP Star Scientist program – IP strategy for carbon-removal green technologies (Ministry of Science and ICT, 2024, 2025)
Standard patent strategy program – Rapid point-of-care diagnostics based on quantum spin control (Korea Intellectual Property Strategy Agency, 2024, 2025)
Advanced patent map program – Monitoring, reporting and control of power distribution equipment (Regional IP Center, 2024, 2025)
IP-R&D patent strategy program – AUD Conflux & G-MATRIX (BI Matrix Co., Ltd., 2025)
IP-R&D patent strategy program – E-CARD (ezCaretech Co., Ltd., 2025)

WOO, Deokgeun

Managing Patent Attorney

Graduate School of Public Administration, Chonnam National University
Ranked second in the 32nd Higher Civil Service Examination (Administrative)
Examiner, Korean Intellectual Property Office (KIPO)
Lecturer, Department of Industrial Property Rights, Kyonggi University
Lecturer, Graduate School of Law, Pai Chai University
Korean government delegate to the World Intellectual Property Organization (WIPO)
Former head, Yuri Patent & Law Firm
Advising patent attorney, Korea Evaluation Institute of Industrial Technology (KEIT)
Advising patent attorney, Korea New Construction Technology Association
Advising patent attorney, Bucheon City, Gyeonggi Province
Advising patent attorney, Korea Expressway Corporation
Advisory committee member, National Veterinary Research and Quarantine Service
Visiting instructor, Korean National Police Agency
Director, Intellectual Property Institute, Hankyong National University
Former professor, Anyang University

NO, Wan Gu

Registered Patent Attorney – Associate

Patent examiner
Director of the Korean Patent Attorneys Association
Member of the Dispute Mediation Committee on Industrial Property Rights of the Patent Office
Consultant patent attorney at Asia Textile Research Institute
Representative patent attorney of Manmin International Patent Law Office
Ministry of Commerce and Industry, Textile Industry Bureau
Intellectual property lecturer at Osan University
General Director of the Korean Association of Asian Patent Attorneys Association
Outside Director, SK Chemical Co., Ltd
Consultant patent attorney at Geumsan International Ginseng Herbal Research Center

SEONG, Hyoan

Attorney at Law (New York)

Wake Forest University School of Law
B.A. in Law, Sungkyunkwan University
Corporate legal advisory, Samil PricewaterhouseCoopers
Advice on technology acquisition and license agreements with foreign companies (Cadence, MSC and others)
Advice on foreign investment: M&A and investment agreements (GIC, GAP, EADS, SoftBank and others)
In-house counsel, E-Land Group
In-house legal affairs, Kumho Group
Immigration law, PJ Bradley Law Office (USA)
Advice on U.S. residential real estate investment
Advice on real estate asset securitization in large-company restructurings
Advice on M&A and overseas business for small and mid-sized companies
Advice on a Vietnamese sales contract and joint venture for a shipbuilding equipment supplier
Advice on resource development and related financing in Indonesia
Advice on a mine acquisition in Sakhalin and overseas investment procedures
Advice to a consortium on a road construction project in Sudan
Advice on export transactions and joint ventures in China and Hong Kong

LEE, Kangnyeong

Associate Patent Attorney

B.S. in Computer Engineering, Pusan National University
M.S. in Computer Engineering, Seoul National University
Passed the 46th Korean Patent Attorney Examination
Training at the International Intellectual Property Training Institute and KIPO
Researcher, Corporate Technology Office, Samsung Electronics Co., Ltd.
Technical director, Technonia Co., Ltd.
Device issue analysis, Kumyoung Co., Ltd.
Taesan International Patent Office
Currently patent attorney, Daeryuk International Patent & Law Office, and
Associate patent attorney, Manmin IP & Law Firm