AJU Kim Chang & Lee

Established: 1965 | Number of Professional Staff: 260+
Operates in South Korea

Provided patent filings

PCT National Phase Entry

RWS PCT agent in South Korea

Direct Filing

RWS Direct (Paris Convention) agent in South Korea
AJU Kim Chang & Lee is one of the largest IP law firms in Korea in both number of employees and the number of cases handled. They pride themselves on being a highly reliable partner for their clients. Providing a full range of IP services from patent prosecution to litigation, their streamlined and efficient workflow enables the firm to provide a one-stop suite of of IP solutions. Clients benefit from their many years of experience, industry expertise and a deep-rooted professional approach.
Today, with 55 attorneys and 48 technical specialists in the IP group and 36 attorneys in their General Law group, the firm handles over 6,000 cases worldwide every year, including over 5,000 patent, utility model and trademark applications, providing a broad range of IP prosecution, litigation and related services.


  • Chemistry
  • Computer science
  • Electrical & Information Technology
  • Life science
  • Material science
  • Mechanics
  • Medical Devices


Donghee Bldg, 7th-14th Floor, 302 Gangnam Daero, Gangnam-Gu, Seoul, 06253, Republic of Korea


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