Kim & Chang fields an extensive team of IP litigators, patent attorneys, foreign attorneys, and a strong support team of patent engineers and trade mark paralegals, offering expertise across all IP rights, including patents, trade marks, designs, trade secrets, and copyrights. The team is renowned for its technical knowledge in biotech, engineering, and pharmaceuticals, with robust cross-border capabilities. Led by Jay (Young-June) Yang, who advises on patent and trade mark prosecution and litigation strategy, the team is further strengthened by Young Kim, a senior patent attorney. Won Kim brings expertise in IT, entertainment, and gaming IP, while Minjung Park specialises in IP litigation and arbitration, offering clients effective dispute resolution.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Kim & Chang has a deep knowledge and competence in the intellectual property area, especially on patents and trade marks. They work very professionally and deliver high-quality service in all aspects. ’

  • ‘In Hwan Kim is an exceptional professional delivering very high-quality service and who walks the extra mile for the client.’

  • ‘The firm is accommodating to client's needs and brings innovative solutions to the table to resolve issues. The IP practice team is also extremely prompt with their responses and has an in-depth understanding of the issue(s) faced by the client.’

  • ‘The team provides perfect support to our case. All requests are prepared within a very short period of time and on a very high level of quality! Further, there is a good communication balance for special topics and, therefore, appropriate preparation for authority communication! ’

  • ‘All team members are unique due to their reliability, robustness, and distinctive mindset of quality.’

  • ‘The ability to combine their knowledge of US IP law with their familiarity with the outlook and attitudes of Korean businesses allows Kim and Change to provide excellent representation for their clients.’

  • ‘They possess a key competency in effectively connecting and utilising various value chains within the organisation. Additionally, demonstrates exceptional proactiveness and high quality in work.���

  • ‘Chul Hwan Jung possesses exceptional interpersonal skills and capabilities, enabling them to seamlessly connect and integrate various value chains within the organisation to consistently sustain and complete tasks. He adeptly utilises his wealth of information to explain each element in detail and respond effectively to any requests.’

Key clients

  • Apple Inc.
  • Hitachi, Ltd.
  • Sony Corporation
  • Robert Bosch GmbH
  • Nippon Steel Corporation
  • Huawei
  • Bristol-Myers Squibb
  • Richemont
  • Snap Inc.
  • Chanel

Work highlights

  • Successfully obtained the district court decision on behalf of Pfizer/Wyeth, finding SK’s patent infringement by manufacturing and exporting finished pneumococcal vaccine products and the components thereof (13 individual conjugate bulk solutions).
  • Successfully invalidated registration for the "LEGOCHEMPHARMA" mark of a Korean pharmaceutical company, and as a result, the distinctiveness of the well-known "LEGO" mark could be prevented from being damaged and diluted.
  • Successfully obtained a court decision on behalf of a card payment terminal developer and seller, who allegedly infringed the trade secret and copyright of a source code, that the source code does not constitute a trade secret or copyrighted work.

Lawyers

Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Leading partners: PATMA
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Next Generation Partners: PATMA
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head

The lawyer(s) leading their teams.

Jay (Young-June) Yang

Other key lawyers

Ann Nam-Yeon Kwon, Monica Hyon Kyong Leeu, Angela Kim, In Hwan Kim, Minjung Park, Seok Hee Lee, Chul Hwan Jung, Inchan Andrew Kwon, Won Kim