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Muhann Patent & Law Firm

South Korea

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Quick facts
Number of Partners

20

Total Number of IP Practitioners

72

Languages Spoken at the Firm

Korean, English, Japanese, Chinese, French, German

Firm - Year of Establishment

2002

Network Memberships

INTA, AIPPI, FICPI, APPA, LES

Key practice areas
Intellectual property
Trade mark
Patent
Trade mark prosecution
Firm overview

Full-Service IP Powerhouse in Korea

Founded in 2002, MUHANN has established itself as a major IP firm, currently ranked among the best in Korea in terms of numbers of patent and trademark filings. We provide advice and services related to every major industry and all areas of IP law, including patents, utility models, trademarks, designs, trade secrets, unfair competition, domain names, and copyrights.

IP Professionals Offering a Deep Pool of Knowledge and Experience

MUHANN is one of the largest IP law firms in Korea. The firm has breadth and depth in terms of human resources. Our core professionals are each exceptionally talented and recognized as being among the best in his or her field. We have alumni of top universities, former in-house counsels from leading corporations, researchers, former examiners, and former Appeal Board judges. MUHANN boasts a level of capability that is widely acknowledged as ‘first class’.

Knowing the Industries and the Markets

Accumulated industry-specific knowledge and market insight enables us to more quickly and fully understand current needs and concerns and increases speed-to-market and agility. Professionals at the firm can help you understand the Korean industrial and regulatory environment, evolving Korean government policies, and the latest business trends, with respect to intellectual property.

One Step Ahead : Being Prepared Through Advance Planning

Advance planning is critical to maximizing value and minimizing liability for a business that owns or licenses patents, trademarks, copyrights and/or technology. Through preparedness and extensive experience, we are able to identify risk factors that too often are underestimated and work through or around them.

Global Capacity and Network

MUHANN handles complex legal projects spanning multiple jurisdictions for conglomerates, having established strong long-standing relationships with top firms and practitioners all over the world.

Practice Areas & Sector Specialisations

Key IP Areas

Copyright & related rights, Designs, Intellectual property (contentious), Intellectual property (prosecution), IP transactions, ITC litigation, Life sciences IP, Patent contentious, Patent, Patent prosecution, PTAB litigation, Trade mark, Trade mark contentious, Trade mark prosecution

 

Key Sector Expertise

Aerospace, Agriculture, Artificial intelligence, Automotive, Biotechnology, Chemical, Computer technology & services, Construction & materials, E-commerce, Electrical, Electronics, Fashion & luxury goods, Financial services, Food & beverage, Gaming, ICT & software, Industrials, Life sciences, Mechanical, Medical device, Nanotechnology, Optics & photonics, Pharmaceutical, Renewable energy, Robotics, Semiconductors, Telecommunication, Transport

Address:
8F, Truck Welfare Foundation Bldg., 560,
Eonju-ro, Gangnam-gu
Seoul 06144
Tel:+8225114210 Fax:+8225114610 Email:Contact Us Web Address:http://www.muhann.com
2026 Edition
Patent prosecution
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Overview

Muhann Patent & Law Firm, one of Korea's leading IP law firms, focuses on providing top-notch legal services, efficient project management, and deep expertise in the technical and commercial landscape, which has allowed it to excel in representing some of the world's most advanced companies in intellectual property matters.

Notable patent practitioners: Chad (ChangHoon) Lee, Peter (SungJin) Chun
Notable soft IP practitioners: Eric (KeeWan) Koo, Gene Kim

Testimonials

2025

"Excellence in service, knowledge, and promptness."

"Excellence in service, promptness, professionalism, and knowledge in practice."

"Proactive advice on South Korean specific patent issues. Prompt reporting and reasonable prices."

"Professional, informed, insightful, courteous, and prompt service."

"Professional, knowledgeable, and ethical."

"Quality patent practice."

"Responsive and fair service for money."

"The owners care themselves about clients. They are very responsiveness and reasonably priced."

“Very friendly, responsive and experienced. Great to work with."

Linked Reviews
Patent

Case studies show litigation, freedom-to-operate analyses, patent invalidation reviews, and patent validity search work for various clients.

Trade mark

A case study demonstrates the team representing Rev-Med and successfully defending an opposition from a French company against its application for the “NovaStem” mark.

In 2024, the firm hired HyeonJeong Hong as an associate to strengthen its trade mark practice.

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