Seong-Uk Yang

  • Patent Attorney
  • T. +82-2-2188-5206
  • F. +82-2-2188-5455
  • E.


Seong-Uk Yang mainly undertakes patent work in the field of machinery.

He is in charge of drafting patent specifications, responding to office actions, third party submission, oppositions, trials, appeals before the Patent Court. He is frequently involved in litigation matters such as invalidation and scope confirmation trials as well as patent infringement trials. His main expertise is particularly in automobiles, elevators, semiconductor manufacturing apparatus, air conditioners, and medical equipment, but he has recently broadened his expertise to the technical field of renewable energy.

Mr. Yang graduated from Korea University with a bachelor's degree in mechanical engineering, studied at Tokyo Institute of Technology in 1996, and received a master's degree in mechanical engineering from Korea University in 1997.

Representative Experience

2007-Present Bae, Kim & Lee IP
2006-2007 Honest & Patent IP Law Firm
2001-2006 Bae, Kim & Lee IP
1997-1998 Samsung Aerospace Co., Ltd.
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2013-2017 Advisor of Anti-counterfeiting, Japan Institute of Invention and Innovation
2009-2009 Visiting Patent Attorney, SOEI patent office (Tokyo, Japan)

Representative Matters

Represented patent infringement suit related to exposure apparatus
Represented patent invalidity suit related to drill-ship
Represented trade secret suit related to plant
Represented patent infringement suit related to semiconductor manufacturing apparatus
Represented patent infringement suit related to the processing apparatus


1997 Korea University Graduate School (M.Sc. Eng., Mechanical Engineering)
1996 Tokyo Institute of Technology Young Scientist Exchange Program (Tokyo, Japan)
1994 Korea University (B.E., Mechanical Engineering)


2001 Patent Attorney (Korea)