Headed by Un Ho Kim, the ‘highly efficient and knowledgeable’ team at Lee & Ko consists of experienced patent attorneys and IP litigators that have represented the interests of high-profile trademark owners across the world. The firm regularly advises on IP matters across a variety of industries, including computer software, mechanical, electrical, and artificial intelligence. Keum Nang Park is particularly skilled in IP matters related to the pharmaceutical industry. Kyungjin Kim is a patent attorney, who is also qualified at the Korean bar, and who focuses on patent litigation and IPTAB trials. Other key members of the team include Jaewoo Kwak, Hwan Sung Park as well as Soo Yeon Park and Ahhyun Nam. Hui Jin Yang  and Young Mo Kwon have left the firm.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • 'Highly efficient and knowledgeable litigation team.'
  • 'They are well-refined and logical. The standard of LK in drafting is far beyond any other firms in Korea.'
  • 'LEE&KO is one of the most prestigious law firms in Korea and the quality of their works and services is second to none considering reasonable fees.'
  • 'The capabilities of the partners are exceptional, and the legal service is extremely satisfying.'
  • 'Keum Nang Park is a leader within the IP community so her strategy and views have gravitas. She has excellent knowledge of the law and has a technical background. Through her experience, she provides pragmatic strategic advice.'
  • 'Keum Nang Park is extremely efficient and available; she is experienced and gives knowledgeable advice.'
  • 'Jaewoo Kwak does not take no for an answer. He is very experienced and always dedicates himself to achieve the best results and does not hesitate in taking creative approaches.'

Key clients

  • Novartis
  • GlaxoSmithKlein
  • Celgene
  • Bristol Myers Squibb
  • Marriott International
  • Ericsson-LG
  • Armani
  • Williams-Sonoma
  • Samsung Biologics
  • LG Electronics
  • Naver
  • Kakao
  • Coupang
  • HYBE
  • Toss Bank
  • YG Entertainment
  • LG Household & Health Care
  • AGC
  • Nitto Denko
  • JNC
  • Samsung SDI
  • Korean Air (Hanjin KAL)
  • Homeplus
  • SK On

Work highlights

  • Representing Samsung Bioepis in a patent invalidation action involving biosimilars against the patent owner.
  • Representing Coway before the Supreme Court in a patent infringement lawsuit involving water purifier patents against the market competitor, after prevailing on all claims in the appellate court where it overturned the court of first instance decision that ruled in favour of the counterparty.
  • Representing Boryung Pharmaceutical in an invalidation action initiated by generic companies.

Lawyers

Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
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.

Un Ho Kim