Practice Area

Prosecution (Patent/TM/Design)

Applications filed last 5 years

  • 14,000+
    Patent / Utility model
  • 2,000+
  • 5,000+
  • 5,000+
    Foreign Filing

At every issue, the team of AJU Kim Chang & Lee specializing in the related technical fields are ready to provide tailored advice to its clients. The close collaboration among the members and with the client is the firm’s top priority from research and consulting on technology, drafting of patent and utility model, prosecution to various litigations. Its stream line workflow and proficient approach results in an economical and time-efficient process for the client.

Among 1,000 IP firms in Korea, AJU Kim Chang & Lee is one of the top filing agents and still growing continuously.


왼/위 오/위 오/아래 왼/아래

Mechanics comprising of:

  • Machinery

  • Automobile

  • Conveying machinery

  • MotorPrecision machinery

  • Air conditioning machinery

  • Control system

  • Robotics

  • Building & construction engineering

Electronics, Physics and Information processing comprising of:

  • Electrics

  • Electronics

  • Semi-conductors

  • Electron element

  • Ubiquitous

  • Telecommunications

  • Display device

  • Display

  • Computer science

  • Electronic component

  • Software

  • Business method (B.M.)

  • Solid state physics

  • Physics

  • Optical fiber sciences

Chemistry, pharmaceuticals and materials comprising of:

  • Organic chemistry

  • Inorganic chemistry

  • Fine chemicals

  • Bio chemistry

  • Bio-technology

  • Pharmaceuticals

  • Food

  • Recycling technique

  • Fiber

  • Material genetic engineering &
    recombinant DNA technique

  • Molecular biology

  • Microorganism

  • Immunology

Design/Trademark/ Domain name

왼/위 오/위 오/아래 왼/아래

AJU Kim Chang & Lee has registered more than a thousand cases of trade marks including two-dimensional and three-dimensional marks, service marks, official hallmarks, business formats, emblems of organizations, geographical marks, cultural emblems, and hundreds of cases of design & domain names.
To preserve business stability and maintain customer trust, design and trade marks are one of a company’s most valuable assets. Members at AJU Kim, Chang & Lee comprehend the magnitude of these qualities so that they can provide customized advice to facilitate the client’s business.

Copyright/Computer Program

왼/위 오/위 오/아래 왼/아래

AJU Kim Chang & Lee provides expert legal protection for all types of creative productions. Its service extends to all the copyright categories set by the Ministry of Culture, Sports and Tourism and the Ministry of Knowledge Economy such as, author’s rights, entrepreneurial rights related to software, literary, dramatic, musical and artistic works, entrepreneurial works, sound recordings, broadcasts, films, published editions, use of the cultural goods, software and semiconductor integrated circuit device.

In addition, to protect and defend the client’s creative creations, members at AJU Kim Chang & Lee provide a working group to prevent infringement and piracy.