Korean Patent Attorneys

Mooyun Shin      Managing Partner / Patent Attorney

Yonsei University, BS in Electrical and Electronic Engineering (2008)

Admitted to the Korean Patent Attorney (2012)

Member of KPAA (Korean Patent Attorney Association)

Member of INTA (International Trademark Association)

Member of APAA (Asian Patent Attorney Association)

Member of FIPPI (International Federation of Intellectual Property Attorneys)

KIYUL IP LAW FIRM (2016 – Present)

E.M.HWANG & PARTNERS Patent & Law Firm (2015 – 2016)

Y.P. Lee, Mock & Partners IP Law Firm (2013 – 2015)

NAM & NAM World Patent & Law Firm (2011 – 2013)

Hyundai Engineering Co. Ltd (2008 – 2010)


Electricity and Electronic Engineering, Communication, Business model, Semiconductor, Power plant

Prosecution and litigations on behalf of Qualcomm, SEL, Airbus Helicopters, Samsung Electronics, DSME, and etc.,

Ki-young Lee      Partner / Patent Attorney

Master of Laws, Hokkaido University Graduate School (2012)

Bachelor’s Degree in English Literature, Korea University (1993)

Graduated from Gimcheon High School

Patent Attorney, KIYUL IP LAW FIRM (2025 – Present)

Trademark Trial Examiner, Trial Board of the Korean Intellectual Property Office (KIPO) (2021 – 2025)

Japanese Government Scholarship Recipient (2009 – 2012, Intellectual Property Major)

Examiner, Trademark Examination Bureau, KIPO(Trademark Examination Division 1, Service Mark Examination Division, Chemical & Food Trademark Examination Division)

Examiner, Application Division, International Application Division, and International Cooperation Division, KIPO

Young-hoon Lee      Partner / Patent Attorney

Korea University, BS in Computer and Communication Engineering (2016)

Admitted to the Korean Patent Attorney (2016)

Member of KPAA (Korean Patent Attorney Association)

Member of INTA (International Trademark Association)


KIYUL IP LAW FIRM (2018 – Present)

K.J.Lee Patent & Trademark Law Firm (2018)

U IP Law Firm (2016 – 2017)

Computer Science Engineering, Electricity and Electronic Engineering, Communication, Business model

Prosecution and litigations on behalf of Samsung Electronics, Tmaxsoft, Seoul National University Hospital, and etc.

Jong-heon Seok      Partner / Patent Attorney

Graduated from Korea University, Division of Biotechnology (2012)

Admitted to the Korean Patent Attorney (2012)

Completed civil action practice training for patent attorney

Member of KPAA (Korean Patent Attorney Association)

Member of INTA (International Trademark Association)

KIYUL IP LAW FIRM (2023 – Present)

LEECHAE Intellectual Property (2019 – 2023)

Former) Patent attorney of Dooho IP Law Firm (2021 – 2022)

Sohee Kang     Patent Attorney

Seoul National University, BS in Electrical and Electronic Engineering (2013)

Admitted to the Korean Patent Attorney (2013)

Member of KPAA (Korean Patent Attorney Association)

Member of INTA (International Trademark Association)


KIYUL IP LAW FIRM (2024 – Present)

Leehyoun Intellectual property Law Firm (2019~2024)

NAM & NAM World Patent & Law Firm (2017-2019)

Yoon&Lee International Patent & Law Firm (2016~2017)

NAM & NAM World Patent & Law Firm (2013-2016)

Electricity and Electronic Engineering, Communication, Business model, Semiconductor

Prosecution and litigations on behalf of Applied Co Ltd, Seagate, Google, Qualcomm, Samsung Electronics and etc.,

Ji-soo Hwang     Patent Attorney

Yonsei University, BS in Electrical and Electronic Engineering (2015)

Admitted to the Korean Patent Attorney (2015)

Member of KPAA (Korean Patent Attorney Association)


Electrical and Electronic Engineering, LTE & 5G Communication, Business model, Semiconductor

Prosecution and litigations on behalf of Samsung Electronics, Samsung Advanced Institute of Technology, KAIST, Hanyang University, Sungkyunkwan University, ETRI and etc.,

KIYUL IP LAW FIRM (2024 – Present)

Seoul Central District Court (2019-2024)

K.J.Lee Patent & Trademark Law Firm (2016-2019)

Yoon&Lee International Patent & Law Firm (2014-2016)

Admitted to the Korean Patent Attorney (2015)

Yonsei University, BS in Electrical and Electronic Engineering (2015)

Member of KPAA (Korean Patent Attorney Association)

Min-ju Lee      Patent Attorney / Attorney at Law

Ewha Womans University Law school, J.D. in Legal Studies (2013)

Yonsei University, B.A. in English Literature (2010)

Admitted to the Korean Attorney (2013)

Admitted to the Korean Patent Attorney (2014)

Kiyul IP Law Firm (2024 – Present)

Class 101 Inc. (2022-2024)

Kim Chang Lee Law Firm(2021~2022)

Public Foundation THE LISTEN (2019~2021)

Aekyung Industrial Co., Ltd. (2018~2019)

Hanol Law Firm (2015~2017)

Korea Internet & Security Agency (2013~2015)

Jung-woo Choi     Patent Attorney / Attorney at Law

Intellectual Property: Patent infringement injunction and damages

Civil Litigation: Service fee refund, damages claims

Administrative Law: Injunction against administrative execution

Intellectual Property: License infringement and damages

Civil Litigation: Security deposit payment claims

Intellectual Property: Patent licensing fee claims

Partner Attorney, Baekha Law Firm (2020 – 2025)

Attorney, Eun-yul Law Firm (2016 – 2020)

Attorney, Baekha Joint Law Office (2014 – 2015)

Yumi Patent & Law Office (2013)

Judicial Clerkship, Seoul Southern District Court (2011)

Mooyun Shin
Managing Partner / Patent Attorney
  • Yonsei University, BS in Electrical and Electronic Engineering (2008)
  • Admitted to the Korean Patent Attorney (2012)
  • Member of KPAA (Korean Patent Attorney Association)
  • Member of INTA (International Trademark Association)
  • Member of APAA (Asian Patent Attorney Association)
  • Member of FIPPI (International Federation of Intellectual Property Attorneys)
  • KIYUL IP LAW FIRM (2016 – Present)
  • E.M.HWANG & PARTNERS Patent & Law Firm (2015 – 2016)
  • Y.P. Lee, Mock & Partners IP Law Firm (2013 – 2015)
  • NAM & NAM World Patent & Law Firm (2011 – 2013)
  • Hyundai Engineering Co. Ltd (2008 – 2010)
  • Electricity and Electronic Engineering, Communication, Business model, Semiconductor, Power plant
  • Prosecution and litigations on behalf of Qualcomm, SEL, Airbus Helicopters, Samsung Electronics, DSME, and etc.,
Ki-young Lee
Partner / Patent Attorney
  • Master of Laws, Hokkaido University Graduate School (2012)
  • Bachelor’s Degree in English Literature, Korea University (1993)
  • Graduated from Gimcheon High School
  • Patent Attorney, KIYUL IP LAW FIRM (2025 – Present)
  • Trademark Trial Examiner, Trial Board of the Korean Intellectual Property Office (KIPO) (2021 – 2025)
  • Japanese Government Scholarship Recipient (2009 – 2012, Intellectual Property Major)
  • Examiner, Trademark Examination Bureau, KIPO(Trademark Examination Division 1, Service Mark Examination Division, Chemical & Food Trademark Examination Division)
  • Examiner, Application Division, International Application Division, and International
Young-hoon Lee
Partner / Patent Attorney
  • Korea University, BS in Computer and Communication Engineering (2016)
  • Admitted to the Korean Patent Attorney (2016).
  • Member of KPAA (Korean Patent Attorney Association)
  • Member of INTA (International Trademark Association)
  • KIYUL IP LAW FIRM (2018 – Present)
  • K.J.Lee Patent & Trademark Law Firm (2018)
  • U IP Law Firm (2016 – 2017)
  • Computer Science Engineering, Electricity and Electronic Engineering, Communication, Business model
  • Prosecution and litigations on behalf of Samsung Electronics, Tmaxsoft, Seoul National University Hospital, and etc.
Jong-heon Seok
Partner / Patent Attorney
  • Graduated from Korea University, Division of Biotechnology (2012)
  •  Admitted to the Korean Patent Attorney (2012)
  • Completed civil action practice training for patent attorney
  • Member of KPAA (Korean Patent Attorney Association)
  • Member of INTA (International Trademark Association)
  • KIYUL IP LAW FIRM (2023 – Present)
  • LEECHAE Intellectual Property (2019 – 2023)
  • Former) Patent attorney of Dooho IP Law Firm (2021 – 2022)
Sohee Kang
Patent Attorney
  • Seoul National University, BS in Electrical and Electronic Engineering (2013)
  • Admitted to the Korean Patent Attorney (2013)
  • Member of KPAA (Korean Patent Attorney Association)
  • Member of INTA (International Trademark Association)
  • KIYUL IP LAW FIRM (2024 – Present)
  • Leehyoun Intellectual property Law Firm (2019~2024)
  • NAM & NAM World Patent & Law Firm (2017-2019)
  • Yoon&Lee International Patent & Law Firm (2016~2017)
  • NAM & NAM World Patent & Law Firm (2013-2016)
  • Electricity and Electronic Engineering, Communication, Business model, Semiconductor
  • Prosecution and litigations on behalf of Applied Co Ltd, Seagate, Google, Qualcomm, Samsung Electronics and etc.,
Ji-soo Hwang
Patent Attorney
  • Yonsei University, BS in Electrical and Electronic Engineering (2015)
  • Admitted to the Korean Patent Attorney (2015)
  • Member of KPAA (Korean Patent Attorney Association)
  • KIYUL IP LAW FIRM (2024 – Present)
  • Seoul Central District Court (2019-2024)
  • K.J.Lee Patent & Trademark Law Firm (2016-2019)
  • Yoon&Lee International Patent & Law Firm (2014-2016)
  • Admitted to the Korean Patent Attorney (2015)
  • Yonsei University, BS in Electrical and Electronic Engineering (2015)
  • Member of KPAA (Korean Patent Attorney Association)
  • Electrical and Electronic Engineering, LTE & 5G Communication, Business model, Semiconductor
  • Prosecution and litigations on behalf of Samsung Electronics, Samsung Advanced Institute of Technology, KAIST, Hanyang University, Sungkyunkwan University, ETRI and etc.,
Min-ju Lee
Patent Attorney / Attorney at Law
  • Ewha Womans University Law school, J.D. in Legal Studies (2013)
  • Yonsei University, B.A. in English Literature (2010)
  • Admitted to the Korean Attorney (2013)
  • Admitted to the Korean Patent Attorney (2014)
  • Kiyul IP Law Firm (2024 – Present)
  • Class 101 Inc. (2022-2024)
  • Kim Chang Lee Law Firm(2021~2022)
  • Public Foundation THE LISTEN (2019~2021)
  • Aekyung Industrial Co., Ltd. (2018~2019)
  • Hanol Law Firm (2015~2017)
  • Korea Internet & Security Agency (2013~2015)
Jung-woo Choi
Patent Attorney / Attorney at Law
  • Former) Patent attorney of Dooho IP Law Firm (2021 – 2022)
  • LEECHAE Intellectual Property (2019 – 2023)
  • KIYUL IP LAW FIRM (2023 – Present)
  • Graduated from Korea University, Division of Biotechnology (2012)
  • Admitted to the Korean Patent Attorney (2012)
  • Completed civil action practice training for patent attorney
  • Member of KPAA (Korean Patent Attorney Association)
  • Member of INTA (International Trademark Association)