Home > Professionals > Chemical/Bio/Pharm

Patent Attorney
Doo-yong CHO

T: 02-6714-1140


Korean / English


  • Patent/Trade Secret Protection
  • Filing/Prosecution/Trial/Litigation/Expert Opinion/Consulting


  • Yonsei University, BS in Chemical Engineering (2011)


  • Admitted to Patent Bar (2012)
  • KPAA (Korean Patent Attorneys Association)

Professional Career:

  • Doo-yong Cho is a patent attorney in the Chemical/Bio/Pharm group at NAM & NAM. His main areas of technological expertise are polymers, semiconductor, pharmaceutics, medical devices, and smoking articles. Mr. Cho was admitted to the Korean patent bar in 2012 and his practice has been covering a wide range of intellectual property matters, including patent prosecution, enforcement, appeal, invalidation trial and litigation. He has been involved in an invalidation trial for invalidating KR registered patents which belong to technical fields of cigarette filter and UV barrier film, and patent litigations before the Korean Intellectual Property Office and the Korean Patent Court. He advises clients including multinational tobacco company, multinational pharmaceutical company, and global chemical company. He also served as a technology valuation analyst and analyzed infringement, invalidation and marketability of patent rights, and registration possibility of patent applications.