Seongyoune (Sean) Kang

Of Counsel

Mr. Kang prepares and prosecutes patent applications in the fields of mechanical and electrical arts as well as software. He has drafted over 100 patent applications and prosecuted nearly 1500 patents to allowance in his career. Mr. Kang also advises clients and prepares written opinions on non-infringement, invalidity and patentability.

Mr. Kang has worked as an in-house intellectual property attorney for an international oilfield services company and has managed global patent portfolios. He also assists clients in the procurement of trademarks.


  • Ohio State University, JD
  • Seoul National University, BS in Mechanical and Aerospace Engineering

Technical Field

Automotive technology, turbomachinery, semiconductor manufacturing, display panel manufacturing, robots, medical devices, imaging technology, home appliances, lighting systems, horology, and eyewear

Bar Admissions

  • District of Columbia
  • California (inactive)
  • Ohio (inactive)
  • U.S. Patent and Trademark Office


  • English
  • Korean
  • French