Jaeyoub Lee

  • Partner
  • T. +82-2-3404-6574
  • F. +82-2-3404-0805
  • E. jaeyoub.lee@bkl.co.kr

Overview

Jaeyoub Lee's main practice areas include intellectual property right, trade secret, national core technology, IP transaction, IP international disputes and entertainment, etc. and he has achieved excellent results in various cases he has handled.

Mr. Lee earned an LL.B. degree in Law from Seoul National University in 2003. After completing the 39th Judicial Research and Training Institute course, he joined BKL in 2010. As an intellectual property lawyer, he has represented major clients in various domestic and foreign technical areas, including battery, semiconductor, display, pharmaceutical & bio, chemical, shipbuilding and power plants, and has performed various legal and advisory services in dispute cases involving the infringement of intellectual property rights (including patent right, copyright, trademark, etc.), the infringement of trade secrets and national core technologies, and export restrictions on critical advanced technologies, including national core technologies and strategic materials, international IP disputes, IP transactions (M&A, Licensing), unfair competition disputes and entertainment-related business, etc.

Representative Experience

2010-Present Bae, Kim & Lee LLC
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2024-Present Legal advisor, Korea Association for Industrial Technology Security
2023-Present Expert Advisor, Technology Security Forum, Ministry of Trade, Industry and Energy
2022-Present Active member, National Core Technology Security Academy of Korea

Representative Matters

Advised a battery manufacturer in cases involving the infringement of trade secrets/national core technologies relating to the manufacturing process
Handled cases involving the infringement of trade secrets/national core technologies relating to the process of manufacturing biopharmaceuticals
Handled cases involving the infringement of trade secrets relating to a chemical plant manufacturing process
Handled cases involving the infringement of trade secrets relating to a coal-fired power plant
Handled multiple cases involving the non-compete agreement, etc.
Represented companies in cases involving the protection/leakage of trade secrets/national core technologies
Advised a battery manufacturer in cases involving the infringement of trade secrets/national core technologies relating to the manufacturing process
Handled cases involving the infringement of trade secrets/national core technologies relating to the process of manufacturing biopharmaceuticals
Handled cases involving the infringement of trade secrets relating to a chemical plant manufacturing process
Handled cases involving the infringement of trade secrets relating to a coal-fired power plant
Handled multiple cases involving the non-compete agreement, etc.
Advised clients on export regulations of national core technologies/national advanced strategic technologies/strategic materials
Advised clients on export regulations of national core technologies/national advanced strategic technologies/strategic materials in the battery, biopharmaceutical, automobile, semiconductor, autonomous driving, display, and steel areas (including technology export activities and overseas M&A)
Advised expert members of the Technology Security Forum of the Ministry of Trade, Industry and Energy (advice on the amendment of the Industrial Technology Protection Act and the improvement of the export review system, etc.)
Advised the Ministry of Trade, Industry and Energy on the amendment of the guidelines on the technology protection in the biotechnology area
Advised clients on the response to fact-finding surveys under the Industrial Technology Protection Act
Advised clients on the amendment of the guidelines on the technology protection in the battery industry and in many other cases
International IP disputes
Provided advice in a dispute involving the infringement of the U.S. ITC trade secrets between botulinum toxin manufacturers
Provided advice in disputes involving the infringement of the U.S. ITC trade secrets and the U.S. patent with respect to battery manufacturing technologies
Provided advice in a dispute involving the infringement of Vietnamese trade secrets relating to chemical plant design data
Provided advice on the patent dance procedures under the US BPCIA with respect to biopharmaceuticals
IP transaction
Provided clients advice on various M&A and technology licensing
Provided clients advice on the construction of factories in foreign countries and licensing
Patent/utility model
Handled a case involving biosimilar patent infringement for a pharmaceutical company
Handled a case involving e-commerce/platform patent infringement (including BM patent)
Handled a patent infringement case relating to massage beds/water purifiers
Handled cases involving the infringement of patents relating to construction methods for construction companies and many other cases
Trade mark/design/unfair competition
Provided advice in a dispute involving group trademarks between affiliates
Handled a trademark and unfair competition law-related case for a famous restaurant
Handled a case involving trademark rights of an electronic cigarette manufacturer and many other cases
Copyrights and entertainment/sports/games
Handled a case involving the infringement of copyrights relating to game products for a game company
Advised a broadcasting company in a dispute over the copyrights relating to broadcasting programs
Provided advice relating to performance production, such as waterbomb festivals and movies
Advised a game company on a license agreement
Provided advice on various advertising agreements, etc.
In-service invention
Handled a case relating to an in-service invention for a fuel cell manufacturer
Handled a case involving an in-service invention for a semiconductor manufacturer and many other cases

Education

2018 University of Southern California (LL.M.)
2010 Judicial Research and Training Institute, Supreme Court of Korea
2003 Seoul National University (LL.B.)

Selected Activities

Publications
US Litigation Guide for Korean Companies (Co-author, Pakyoungsa, 2022)
2023 Guidelines on Technology Protection in the Battery Industry (Co-author, Korea Battery Industry Association, 2023)
Korean Legal Framework for Prevention of Technology Leakage - with a focus on the export and M&A regulations (Co-author, contribution to Business, Finance & Law, 2023)
Major Legal Issues Relating to Intellectual Property Rights in International M&A Transactions, Korean Journal of International Trade and Business Law Vol.23, No.2 (Co-author, Korea International Trade Law Association, 2014)
Awards
Joongang Ilbo/Korea In-house Counsel Association - Best Lawyer, Intellectual Property Rights·Bio (2024)
Joongang Ilbo/Korea In-house Counsel Association - Rising Star, Intellectual Property Rights·Patents·Trademarks (2023)
Legal Times - IP Leading Lawyer (2022-2024)

Qualifications

2025 Patent Attorney (Korea)
2010 Korea