Renowned for its ‘technical expertise across the IP and regulatory areas’, Lee & Ko’s IP practice features a deep bench of seasoned litigators and patent attorneys, including former judges and practitioners with technical degrees. At the helm of the practice, Un Ho Kim is recognised in the market for his work on patent infringement and invalidation matters. Formerly a judge in the Patent Court, Heon Lee has well-rounded experience in IP disputes. With a unique background as a licensed pharmacist, Keum Nang Park lends her knowledge to pharmaceutical, medical devices and cosmetics companies. Kyungjin Kim chiefly focuses on patent litigation within the pharmaceutical and biotechnology sectors, while Jaewoo Kwak is recognised for his work on international patent and trade secrets disputes.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘Lee&Ko has a large team offering good technical expertise across the IP and regulatory areas, and great availability at short notice. They are easy to work with in terms of budgeting and billing logistics and very flexible.’
‘Keum Nang Park is always available with efficient answers to all of our questions in the IP field. ’
‘Jaewoo Kwak (Lee&Ko) excels at identifying key issues and developing strategic solutions based on his quick understanding and logical thinking.’
‘I particularly appreciate the integration between mainstream patent prosecution practice and the life sciences regulatory team, when it comes to issues like patent term extensions.’
‘Keum Nang Park has been a trusted colleague in this practice for many years.’
‘‘The team of Lee & Ko has extensive experience and a high level of understanding of the market and technology. They effectively identify problematic issues among various and complex matters and propose optimal solutions.’
Key clients
- Coway
- SK Trichem
- Lonati
- Chemtronics
- SharkNinja
- Heesung Electronics
- Kakao Games
- Osstem Implant
- Naver
- Shinsegae Property
Work highlights
Successfully secured a decisive victory for Coway before the Supreme Court in the so-called “water purifier war”, a legal battle that spanned 11 years.
Securing a winning decision for SK Trichem in a matter involving its high-value patent against the global competitor.
Securing a landmark decision before the IP High Court regarding “Offer for Assignment” principle for Lonati.
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
Un Ho Kim
Other key lawyers
Heon Lee; Keum Nang Park; Kyungjin Kim; Jaewoo Kwak; Hwan Sung Park; Yong Jin Cho