John Jihun Kim 2022-06-22T18:21:32+00:00
John Jihun Kim
John Jihun KimPatent Attorney (US, KR)
Office Phone:(703)745-5282
Email :


Patent Prosecution
Patent Opinion
IP Litigation

Bar Admissions

District of Columbia
U.S. Patent and Trademark Office (USPTO)
Korean Intellectual Property Office (KIPO)


LL.M., The University of Southern California (USC) School of Law,
B.S. in Aerospace Engineering, Seoul National University (SNU), South Korea



John Jihun Kim has been involved in the practice of all aspects of intellectual property law with a focus on complex patent matters ranging from patent prosecution to litigation proceedings in U.S. and Korea. He has extensive experience in managing significant patent portfolios, developing offensive/defensive IP strategies, and rendering opinions concerning infringement/validity of patents.

With the background in his IP practice over 15 years, Mr. Kim has represented many Korean companies and Universities, including Samsung Electronics, LG, Hyundai Motors, Halla Visteon Climate Control (HVCC), Seoul National University (SNU) in their U.S. and Korean intellectual property matters. He also has handled substantial amount of patent prosecution/litigation matters for U.S. or Europe based global companies or research institutes, including IBM, GE, 3M, Air products, Tesla, Bosch, Volkswagen, MAN, TRW, Fraunhofer, Siemens, etc.

With his balanced experience in patent prosecution, transactional/licensing matters, and litigation, Mr. Kim is uniquely positioned to offer adept advice on complex issues of patent law to the Korean government as well as the Korean Presidential Committee on Intellectual Property (KPCIP). He was also named to “Best Lawyers” in Intellectual Property Litigation/Licensing by the Korean Intellectual Property Protection Agency (KOIPA) for 5 years.

Mr. Kim has successfully litigated dozens of patent litigation cases through his near 15 years of practice. A few representative examples include the following:

  1. Successfully represented Samsung Electronics, the Korea-based world largest mobile device manufacturer, in its patent invalidity trial cases relating to mobile phone
  2. Successfully represented Hyundai Motor Group, the largest Korea-based vehicle manufacturer, in its patent infringement and invalidity litigation cases relating to vehicle antenna
  3. Successfully represented SHC in its competitor-to-competitor patent infringement and invalidity litigation cases relating to POS printer before the Korean Patent Court and Supreme Court; and fully supported its patent litigation matter pending in the U.S. District Court (C.D. Cal.), as well as Inter Partes Review (IPR) Proceedings before the U.S. Patent Trial and Appeal Board (PTAB)

He has a B.S. degree in Aerospace Engineering from the Seoul National University (SNU), and has experience for three years as a technical officer in charge of military drone operations in Air Force. He completed his Master of Laws degree (LL.M.) at The University of Southern California (USC) School of Law.