Yoon & Lee specialises in IP with a strong focus on patents and trade marks, supported by a substantial team of patent attorneys and technical experts. The firm is notably effective in patent and trademark prosecution due to its deep technical expertise and experience. Founded by managing partner Dong-yol Yoon, who brings over 30 years of insight into IP processes in Korea, the firm is well-positioned for complex matters. Byeong-ok Song leads the mechatronics team, focusing on optics and electronics. Ji-man Park, head of telecoms, offers expertise in semiconductors and nuclear engineering. Yong-won Lee leads the standard essential patent team with a 5G focus, while Sang-yong Lee oversees trade mark and design matters, including litigation and defence.
L’éditorial du Legal 500

Témoignages

Collectés indépendamment par l'équipe de recherche du Legal 500.

  • ‘Everyone at Yoon & Lee provides great assistance and always gives prompt and comprehensive replies. They have a deep knowledge of the law and practice and are able to deliver reliable opinions and solutions to problems.’

  • ‘Yoon & Lee is a prominent full-service Korean intellectual property firm, uniquely with a leading team of patent attorneys, trade mark attorneys, lawyers, providing a complete IP service to clients.'

  • 'Yoon & Lee's team is diverse and possesses extensive knowledge across various domains. The team members are highly educated and can quickly understand new ideas and concepts, transforming them into comprehensive written documentation.’
  • ‘In relation to Yoon & Lee, we deal with the Telecommunications Team and the Standard Patent Team. Both teams are very strong in terms of technical ability to understand the invention by having technical experts in their teams. They are quick to respond to any issues and work actively to resolve any problems.’

  • ‘Ji-man Park and Yong-won Lee both have much experience in patent prosecution and also very strong technical knowledge of their subject areas compared with their contemporaries. They are also excellent communicators for explaining and presenting issues to the client and have excellent ability to find solutions to overcome rejections by patent offices.'

  • 'Ki-won Na is very efficient and has excellent ability in patent drafting, and Seong-hee Lee has an outstanding ability to understand the invention and recognise its areas of patentability. These individuals handle their cases in the most professional manner, and clients can have confidence that they will receive an excellent service for the protection of their interests.’

  • ‘Yoon & Lee International Patent & Law Firm always responds to our inquiries in a timely manner and provides clients with professional analysis to help them adjust their patent filing strategy.’

  • ‘Byeong-ok Song leads his team effectively and professionally. His team has continuously offered IP services optimised for the benefit of clients.’

Clients clés

  • Samsung Electronics
  • Amore Pacific
  • Naraenano-Tech Co. Ltd.
  • Naeilhae Co. Ltd.
  • Wavelink Co. Ltd.
  • KMDP Co. Ltd.
  • Handu Korea Co., Ltd.
  • Trust & Communication Co., Ltd.
  • Hon-ik Group
  • Gachon University

Points forts

  • Obtained a patent of a suitable scope for a long-term client, AmorePacific Corporation, by producing arguments and amendments to overcome the rejections from the Examiner.
  • Protection against possible infringement litigation when Planbe Inc. received a warning letter from a competitor arguing that it had infringed the competitor’s patents.

Avocats

Hall of Fame

Avocats au sommet de leur profession, largement reconnus et respectés par l'ensemble du marché pour leur expertise éprouvée et leur intervention récurrente et longue date dans les dossiers les plus complexes et prestigieux.

Les grands avocats du marché

Avocats associés reconnus parmi les leaders du marché par leurs pairs et leurs clients, régulièrement présents dans les grands dossiers dans lesquels ils sont au premier plan.

Responsable de la pratique

Ji-man Park; Yong-won Lee; Byeong-ok Song; Sang-yong Lee; Mr. Dong-yol Yoon

Autres avocats clés

Seong-ki Kim; Ki-won Na; Seong-hee Lee