Hoseong Patent & Law

Widely recognized as Korea's leading IP law firm
providing the best service with outstanding quality of work

Professional IP Services

From prosecution to appeals & lawsuits and licensing & consulting
we cover every area of intellectual property

Global Network

With U.S. patent agents and overseas law firm partnerships
we effectively protect your international IP rights

Our Practices

HOSEONG Patent & Law, widely recognized as Korea's leading IP law firm, promises to give you the best service with the outstanding quality of work.

ProsecutionFILING & REGISTRATION

With decades of accumulated experience, our experts provide the best service to safely protect our clients' valuable technologies across all areas of intellectual property.

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Appeal & LawsuitLITIGATION

We effectively respond to and resolve various domestic and international disputes including patent tribunal cases and patent court proceedings through specialized patent attorneys.

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Licensing & ConsultingADVISORY

We provide specialized services including strategic technology transfer, licensing agreements, patent valuation, patent invalidity and conflict analysis, and appraisals.

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Our Team

Meet the experienced professionals at Hoseong Patent & Law

Sung-Moo KANG

Sung-Moo KANG

U.S. Patent Agent

Sung-Moo KANG provides clients with exceptional knowledge and skills in the semiconductor, electrical, electronic, and telecommunication engineering fields.

Practice Areas
  • Intellectual Property
  • Patent prosecution and litigation
  • Electrical, electronic, semiconductor, and telecommunication engineering
Education
  • M.S., Electronic Communication, Graduate School of Engineering - Hanyang University, 1986
  • B.S., Electronic Engineering, Hanyang University, 1983
Languages
  • Korean / English
Byeong-suk PARK

Byeong-suk PARK

Korean Patent Attorney
Education
  • Inha University (B.S. Mechanical Engineering)
  • Korea Advanced Institute of Science and Technology (M.S. Mechanical Engineering)
Experience
  • Hyundai Mobis Co., Ltd.
  • Darae LAW & Patent Firm
  • KBK & Associates
Technical Fields
  • Automobile, General machinery, Semiconductor equipment, Automation, Measurement, Medical device, Home appliance
Languages
  • English, Japanese
Sun-Hui YOUN

Sun-Hui YOUN

U.S. Patent Agent
Education
  • B.S., Semiconductor Engineering, University of Seoul, 1998
Profile
  • KBK & Associates, 2000-2014
  • KPH & Associates, 2015.1-2021.12
  • Hoseong Patent & Law, 2022.1-present
Area of Expertise
  • Electrical Engineering, Electronics, Semiconductor, LCD, Display, LED, Solar cells
Hyung-nam Kim

Hyung-nam Kim

Korean Patent Attorney
Academics
  • Seoul National University, Department of Control and Instrumentation Engineering, Bachelors of Engineering
  • Seoul National University, Department of Control and Instrumentation Engineering, Masters of Engineering
Experience
  • LG Electronics Research Center
  • Law and Tech Patent Law Firm (2003~2007)
  • Royal Patent Corporation (2007~2023)
  • Veritas Patent Law Firm (2023~2024)
  • Hoseong Patent and Law (2024.12~Present)
  • Korea Patent Agent Association (KPAA)
Expertise
  • Electronics, Electrics, Semiconductors, LCD, other Display Apparatus, LED, and Solar Cells
Hak-Su LEE

Hak-Su LEE

Korean Patent Attorney
Academics
  • Pusan National University, Department of Precision Mechanical Engineering, Bachelors of Engineering
  • KAIST, Department of Mechanical Engineering, Masters of Mechanical Engineering
  • KAIST, Department of Mechanical Engineering, Doctorate of Mechanical Engineering
Experience
  • Hoseong Patent & Law (2025-Present)
  • Lee Hak-Soo Patent Law Firm (2009~2016; 2019~2024)
  • Nobel International Patent & Law Firm, Partner (2016~2019)
  • Hanla Patent Law Firm (2003~2009)
  • Korean Intellectual Property Office, Examiner (1997~2003)
  • Korea Energy Agency (1996~1997)
  • Samsung SDS, Manager (1994-1996)
Expertise
  • Mechanics, Vehicle, Autonomous Vehicles Development, Home Appliances, Motor
Dong-Wook LEE

Dong-Wook LEE

Patent Attorney
Education
  • Dong-A University, Electronic Engineering (1992)
Career
  • LG Posta Acoustic Research Lab (1997~1998)
  • 39th Korean Patent Attorney Bar Exam (2003)
  • International IP Training Institute & KIPO Training (2003)
  • Jihyun International Patent & Law (2003~2004)
  • Shinwon International Patent & Law (2004~2025)
  • Hoseong Patent & Law (2026.1~Present)
Specialization
  • Display, Home Appliances, Computer, Printer, Semiconductor, Software, AI, Mechanical/Instruments, Materials
Sung-Min LEE

Sung-Min LEE

Korean Patent Attorney
Education
  • Sungkyunkwan University, Dept. of Mechanical Engineering
Experience
  • Korean Intellectual Property Office Training (2026.2)
  • HOSEONG Patent & Law (2026~Present)
Expertise
  • Self-Driving Technology, Hybrid Vehicles, Electrical Supply for Vehicles, Vehicle Digital Keys
Sang-Wook HAH

Sang-Wook HAH

Korean Patent Attorney
Education
  • Hanyang University, Dept. of Electronic Engineering, B.E.
Experience
  • Sunyoung Patent & Law (2013~2015)
  • Lee Geonju Patent & Law (2015~2016)
  • Pankorea Patent Firm (2017~2019)
  • Royal Patent Firm (2019~2021)
  • Easy Patent Firm (2021~2022)
  • ISIS Patent Firm (2023~2025)
  • HOSEONG Patent & Law (2026.05~Present)
  • KPAA (Korean Patent Attorneys Association)
Expertise
  • Display, Electrical Engineering, Telecommunications, AI, Semiconductors
Hee-Sang YOON

Hee-Sang YOON

Korean Patent Attorney
Education
  • Pohang University of Science and Technology, Department of Computer Engineering, Bachelor of Computer Engineering
  • Korea Advanced Institute of Science and Technology, Department of Computer Engineering, Master of Computer Engineering
Experience
  • Hana IP Law Firm (2026)
  • ASM Korea (2021~2025)
  • Volvo Group Korea (2016~2021)
  • ISU IP (2014~2016)
  • Lee International Group (2011~2014)
  • Won International Patent & Law Firm (2009~2010)
Expertise
  • Computers, Artificial Intelligence, Electronics, BM, Semiconductor Equipment, EV
Ji-O JEONG

Ji-O JEONG

Korean Patent Attorney
Education
  • Hanyang University, Department of Mechanical Engineering, Bachelor of Mechanical Engineering
Experience
  • Joowon Law Firm (2023.12~2026.5)
  • SK Hynix (2017.7~2019.8)
  • DB HiTek (2017.1~2017.6)
Expertise
  • Vehicle, Mechanics, Semiconductor Equipment, Automation, Home Appliance

LOCATION

3F, Nara Bldg, 19 Seocho-jungang-ro 24-gil, Seocho-gu, Seoul 06604, Korea

+82-2-6965-3800

+82-2-6965-3899

mail@hoseongpat.co.kr