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Junghwan (Justin) Maeng is a partner at Lee & Ko and a renowned specialist in international IP litigation, technology company transaction, and international arbitration.

He graduated from Seoul Science High School, Korea's top specialized school for gifted students. He majored in computer science and developed computer software at Seoul National University and IBM affiliate. Notably, he is a distinguished pundit in legal matters regarding computer software and copyright.

He holds a doctorate in law from Seoul National University Graduate School of Law, studied at Stanford Law School, and worked at Morgan Lewis in Silicon Valley.

He has handled significant cross-border IP disputes, such as POSCO v. Nippon Steel, and technology company transaction matters in multiple jurisdictions around the world. He has dealt with various international arbitration cases at the ICC, LCIA, and HKIAC as well.

He is serving as a chair of the North and South America Committee in the Seoul Bar Association and as a counsel to various governmental committees.

He also works from Lee & Ko PanGyo Office and provides comprehensive and focused advice to meet the progressive needs of industrial innovation and IT companies.
Representative Cases
[International Arbitration]
ICC arbitration regarding the development of 76mm caliber marine artillery of a warship
ICC arbitration regarding the dispute on JV agreement
ICC arbitration regarding loss caused by investment in the international mobile communication industry
ICC arbitration regarding payment of dividend
Arbitration regarding defective integrated computer system
Arbitration regarding defective power plant
[U.S. IP Litigation]
Global patent dispute on smartphones and tablet computers
Global trade secret misappropriation case on the manufacturing process of grain-oriented electrical steel
Patent infringement and IPR involving touch screen technology
Patent infringement involving PI film technology
Patent infringement involving patents related to battery fuel gauges in semiconductors
[Technology Corporation M&A and Investment]
M&A deal between cloud service companies
M&A deal between a software development company and a private equity fund
M&A deal between AI robotics companies
M&A deal between an AI vision software company and a major IT company
Establishment of a Korean subsidiary company and contracting for early-stage investment
Fundraising via ICO with a cryptocurrency token
[Patent]
Patent infringement and invalidation case involving H.264 video data codec
Patent infringement and invalidation case involving laser printer cartridge
Patent infringement and invalidation case involving a search advertisement system for internet portal websites
Patent infringement and invalidation case involving an escrow system
Patent infringement and invalidation involving smartphones and tablet computers
Patent infringement involving a manufacturing process of grain-oriented electrical steel
Patent infringement and invalidation involving touch screen technology
Patent infringement involving PI film technology
Patent infringement on battery fuel gauges in semiconductors
Global Free-To-Operate analysis on the manufacturing process of polyethylene with a metallocene catalyst
Global Free-To-Operate analysis of AI object detection processes
Patent portfolio management for various companies including medical operation robotics companies
[Trade Secret]
Trade secret misappropriation regarding WCDMA and LTE mobile telecommunication repeaters and relay system between global mobile telecommunication companies
Trade secret misappropriation regarding software source code for semiconductor manufacturing machinery
Trade secret misappropriation regarding software source code of a famous game company
Trade secret misappropriation involving the development of 76mm caliber marine artillery of a warship
Trade secret misappropriation involving a manufacturing process of grain-oriented electrical steel
[Trademark]
Trademark infringement cases brought by global luxury brand fashion companies
[Copyright]
Copyright infringement case involving background music
Copyright infringement case involving the appearance of an online shopping mall
Copyright infringement case involving the client's unauthorized access to the computer server system
Copyright infringement case involving the provision of cloud service as SaaS
Copyright infringement case involving the provision of cloud personal video recorder service in smart TV
Copyright infringement case involving software code for a semiconductor manufacturing machine
Copyright infringement case involving various software such as CAD, DBMS
[License]
Dispute on the breach of licensing terms and conditions regarding computer software such as OS, CAD, office programs, DBMS, ERP
Licensing API and libraries regarding automatic vision detection program
Licensing API and libraries regarding the computer program for autonomous driving cars
Licensing various technologies and IPRs
[Entertainment]
Publicity right infringement cases for celebrities
Artist management contracts
Various entertainment contacts including film contact, photography and videography contract, and video production contract
Establishment of an integrated management system for actors and actresses
[Employee Invention]
Dispute on the reasonable compensation for employee inventions
Establishment of a company policy on fair compensation for employee inventions
[Domain Name]
Domain name disputes over squatting
[Franchise]
Franchise agreements for various food restaurants
[Computer Software Development Projects]
Contract breach claim involving the implementation of a development agreement for the integrated system regarding governmental and judicial criminal record
Dispute surrounding the completion of a project for the development of an integrated information system regarding a global insurance company
Negotiation and counseling regarding the method of performing a project for the development of AUTOSAR software system according to the agile model
Negotiation and contracting for computer software development projects according to the waterfall model and agile model
[Copyright Infringement of Computer Software]
Copyright infringement case on the client's unauthorized access to the computer server system
Copyright infringement case on providing cloud service as SaaS
Copyright infringement case on providing cloud personal video recorder service in smart TV
Copyright infringement case on software code for semiconductor manufacturing machine
Copyright infringement case on various software such as CAD, DBMS
[Developer's Liability for Defective Computer Software]
Dispute regarding the defect of developed software for a banking and financing information system
Dispute regarding the defect of developed software for a major hospital's medical record management system
[Misappropriation of Computer Software Code]
Misappropriation of software source code for semiconductor manufacturing machinery
Misappropriation of software source code of a popular internet and mobile game company
[IP and Ownership of Developed Computer Software]
Dispute on the IP and ownership of jointly developed software for an automatic artillery system
Dispute on the IP and ownership of jointly developed software for an AI vision detection
Dispute on the IP and ownership of jointly developed game software
[Computer Software Licensing]
Licensing API and libraries regarding automatic vision detection program
Licensing API and libraries regarding the program for autonomous driving cars
[Game]
M&A and investment agreement between gaming companies
Use of service and privacy agreement for the users of game software products
Game development and publishing agreement
IP infringement cases
Dispute on the IP and ownership of jointly developed game software
[Fintech]
Initial Coin Offering (ICO)
Regulations regarding token-based business models
Regulations regarding blockchain business models
Regulations regarding cryptocurrency and its financial derivative exchanges
[Cloud Computing]
Regulations on storing and processing data regarding personal information, financial information, or medical information in cloud server
Regulations on transferring data to the cloud server overseas
Regulations on the security requirements for a cloud computing service
Cloud Service Level Agreement (SLA)
Dispute on the failure of cloud computing service
Structure of the new legislation on cloud computing
[AI]
Regulations on collecting and processing massive data by AI system
Dispute on the loss incurred by AI system
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Education
2016 Stanford University - LL.M
2014 Seoul National University, Graduate School of Law - Ph. D. in Law
2011 Seoul National University, Graduate School of Law - Master of Law
2010 Judicial Research and Training Institute of the Supreme Court of Korea
2002 Seoul National University - B.S.(Computer Engineering)
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Work Experience
2010-Present Lee & Ko
2016-2017 Morgan Lewis & Bockius, LLP (Silicon Valley, CA)
2014-Present Advisory Committee Member of Korea Ministry Of Science, and ICT
2014-Present Advisory Committee Member of National IT Industry Protection Agency
2013-Present Advisory Committee Member of Korea Intellectual Property Office
2011-Present Advisory Committee Member of Korea Internet & Security Agency
2006-2008 PM in IBM ISIS Korea, Inc.
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Admissions
2010 Admitted to bar, Korea
2010 Admitted to the Korean patent bar
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Languages
English and Korean
Publications / Presentations / ETC
Patent Litigation Guide in South Korea (Law & Practice - Chambers Global Practice Guide, Chambers Partners, 2020, Co-authored with Un Ho Kim, Jung Hyon Jun, and Hayoun Chun)
Intellectual Property Right Assignments Q&A in South Korea (Practical Law Cross-Border Resource Center, Thomson Reuters, 2019, Co-authored with Un Ho Kim, Sun Chang, and Jung Hyun Uhm)
Intellectual Property Right Licensing in South Korea (Practical Law Cross-Border Resource Center, Thomson Reuters, 2019, Co-authored with Un Ho Kim, Sun Chang, and Jung Hyun Uhm)
A Study on the Calculation of Damages in Patent Infringement Matters with a Focus on Enhanced Damages for Willful Infringement and Misuse (The Collection of Speech Materials for IAKL’s 27th Annual Conference, IAKL, 2019)
A Study on the Practical Issues in IP Litigations Involving Computer Software (The Collection of Research Papers for Korean IP Lawyers Association (KIPLA) Seminars, 2019)
A Study on the Reform of Court's Appraisal System in Copyright Infringement Cases Involving Computer Software (The Collection of Research Papers for Advanced Training for Korean Judges, Korea Supreme Court, 2018)
A Study on the Practical Issues in Copyright Infringement Litigation Involving Computer Software (The Collection of Research Papers for Bench and Bar Conference, Seoul Central District Court, 2018)
A Study on the Global Regulations on Cloud Computing – Including the Review on the Access Right to the Data Stored in Cloud Servers Located Overseas and Restrictions on Extraterritorial Transfer of Data - (The Collection of Research Papers on Cloud Computing Industry, NIPA, 2018)
A Study on Various IP Issues in Licensing Contracts (The Collection of Research Papers for Seoul National University Joint Disciplinary Conference, Seoul National University Law Research Institute, 2017)
A Study on the Patent Exhaustion Doctrine (A Ph.D. Thesis, Seoul National University Graduate School of Law, 2014)
A Study on the International Copyright Exhaustion Including the Review on U.S. Supreme Court's Holding in Kirtsaeng v. John Wiley & Sons, Inc. 133 S.Ct. 1351 (2013) (Law & Technology, Vol. 9, No. 3, Seoul National University Center of Law and Technology, May. 2013)
A Study on the Copyright Issues Surrounding Internet TV Program Recording and Transmission Service - Including the Reviews on the Decisions of the Supreme Court of Japan in Maneki TV case and Rokuraku II case – (Law & Technology, Vol. 8, No. 5, Seoul National University Center of Law and Technology, Sep. 2012)
A Study on the Legal Protection of Ideas (Law & Technology, vol.7, No.5, Seoul National University Center of Law & Technology November 2011)
A Study on the Legal Issues Surrounding Cloud Computing and their Solutions (Law & Technology, Vol 7. No.5. Seoul National University Center of Law & Technology, 2011)
A Study on the Legal Issues Surrounding Cloud Computing and their Solutions (A Master's Thesis, Seoul National University Graduate School of Law, 2011)
Calculation of Damages in Patent Infringement Matters with a Focus on Enhanced Damages for Willful Infringement and Misuse (English Speech at IAKL's 27th Annual Conference, Seoul National University, 2019)
Practical Issues in IP Litigations Involving Computer Software (Lecture at the Korean IP Lawyers Association (KIPLA), 2019)
Reform of Court's Appraisal System in Copyright Infringement Cases Involving Computer Software (Lecture to Korean Judges at Advanced Training Session, Korea Supreme Court, 2018)
Practical Issues in Joint Research and Development Agreement (Lecture to the Legal Department in Hyundai Motor Group, Hyundai Motor Group, 2018)
Practical Issues in Copyright Infringement Litigations Involving Computer Software (Lecture to Korean Judges and IP Lawyers at Seoul Central District Court, 2018)
Various IP Issues in Licensing Contracts (Lecture to the Professors of Seoul National University at Seoul National University, 2017)
Features and effect of passed Cloud Computing Improvement and User Protection Act (Lecture at the Korea Chamber of Commerce and Industry, 2015)
Legal issues regarding computer program and Korea patent law' (Lecture at the Korea Intellectual Property Office for patent examine officers, 2014)
Legal issues surrounding international arbitration agreement and various international arbitration institutions' procedural rules KCAB, ICC, HKAIC, SIAC (Lecture at the Korean Commercial Arbitration Board, 2012)
Member of various advisory committees for the Korean Government including Korean Ministry Of Science and ICT, National IT Industry Protection Agency, Korea Intellectual Property Office, Korea Internet & Security Agency
Chair of North and South America Committee in Seoul Bar Association
President of the All-Alumni Association of Seoul Science High School
IAKL Speech on Patent Damage Calculation & Mentoring Session (SNU Law News, September 18, 2019)
Research Conference on the IP Issues in a Licensing Contract at Seoul National University (Ohmynews, December 24, 2017)
Issues on the Upcoming Cloud Computing Act (Junggieconomy, June 3, 2015)
Activities of the Governmental Committee for Drafting Cloud Computing Act (Softhouse, August 16, 2012)
Winning on the Worldwide Trade Secret Dispute between Global Telecommunication Companies (Hankookilbo, January 25, 2012)
Winning on the International Trade Secret Dispute Regarding a Naval Artillery (KBS News, January 10, 2012)
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