YOON&YANG
Hong Seok Choi Partner
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  • TEL 82 2 6182 8390
  • FAX 82 2 6003 7029
  • E-MAIL
Hong Seok Choi is a partner at Yoon & Yang LLC. His main practice areas are intellectual property and healthcare (medical device).
With a Ph.D. in engineering, Mr. Choi handled various litigation and advisory matters in the area of intellectual property, including patent. During the three years that he has spent as a Technology Investigation Official at the Intellectual Property Division of the Seoul Central District Court, he has accumulated a wealth of experence in a diverse array of technology disputes, including patent, trade secret, industrial technology, compensation for employee’s invention, and software copyright.

Experience

  • 2020-present Yoon & Yang LLC
  • 2023-present Member, Breed Protection Judgment Committee, Ministry of Agriculture, Food and Rural Affairs
  • 2017-20 Technology Investigation Official, Seoul Central District CourtLC
  • 2013-17 Kim Chang & Lee
  • 2013-17 AJU International & Patent Group
  • 2012-13 Moon & Moon International
  • 2007-08 Senior Researcher, LIG Nex1

Education

  • 2018 Sungkyunkwan University Samsung Advanced Institute for Health Sciences & Technology, M.S. in Medical Device Engineering & Management
  • 2012 Sungkyunkwan University Law School, J.D.
  • 2007 Korea Advanced Institute of Science and Technology, Ph.D. in Electronic and Computer Engineering
  • 2003 Korea Advanced Institute of Science and Technology, M.S. in Electronic and Computer Engineering
  • 2001 Sogang University, B.S. in Electronic Engineering

Representative Matters

  • Handled the patent litigation related to renewable battery separators (patent infringement & invalidation)
  • Handled the patent litigation related to automobile air bags (patent infringement & invalidation)
  • Handled the patent litigation related to glass cutting method for manufacturing cover glass used in smartphone cameras (patent invalidation & affirmation of scope of rights)
  • Handled the litigation on product liability related to DDOS protection software
  • Advised on patent related to mVoIP technology
  • Advised on patent related to automobile body structure
  • Advised on patent related to tire code
  • Advised on overseas marketing of AI-based medical device

Awards

  • Participation Award, Korean Intellectual Property Office’s “2019 Patents/Trademarks Case Study Dissertation Contest” (Dec. 18, 2019)

Publications

  • A Study on Whether an Invention Containing Embodiments that Fail to Achieve Effects Constitutes an Incomplete Invention, Best Dissertations from the Patents/Trademarks Case Study Dissertation Contest, Korea Intellectual Property Office (2019)
  • A Study on the Effects of Claims of Essential Equivalence for Licensed Products Submitted in the Medical Device Licensing Procedures on the Validity and Infringement of Patents, Master's thesis in medical science, Sungkyunkwan University (2018)
  • A Study on Performance Improvement of Wireless Ad Hoc Networks Using Supervisor, Doctor's thesis in Electronic Engineering, KAIST (2007)
  • Fair Window Control of TCP/IP Congenstion Network using Explicit Congestion Notification(ECN), Master's thesis in Electronic Engineering, KAIST (2001)