South Korea

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.

Firm overview

NAM IP Group is a Seoul-based intellectual property law firm recognized for delivering sophisticated, business-oriented advice to global innovators. Our 180+ professionals—patent and trademark attorneys, attorneys-at-law, patent engineers, technology consultants, linguists, and dedicated support teams—serve clients across semiconductors, electronics, AI/ICT, EVs and batteries, biotechnology/pharma, advanced materials, medical devices, and fashion boutique.

We combine deep local insight with international perspective. Many of our professionals have trained or worked in the US, the UK, Germany, Japan, and China, and we work daily in Korean, English, Japanese, and Chinese. Diversity and inclusion are integral to how we operate: we recruit globally, maintain gender-diverse teams and leadership, run mentoring and cross-cultural training, support flexible work, and apply merit-based advancement. These practices strengthen collaboration, responsiveness, and the practical solutions our clients receive.

Our services cover the full IP lifecycle—patent, trademark, and design prosecution; oppositions, invalidations, and litigation; FTO and portfolio strategy; licensing and transactions; trade secrets and enforcement; and regulatory interfaces such as Korea’s patent-linkage system. Quality and efficiency are powered by robust processes and technology, including ISO-driven workflows, data-driven concordance/consistency management, and a customized translation engine with expert and attorney review for accuracy and cost control.

Guided by our “PAVE the way for client success” ethos—prestigious, accessible, value-adding, and effective—we provide seamless execution for inbound and outbound matters and a clear bridge to IP success in Korea.

Firm overview

The firm was established in 2002 by two senior attorneys who decided to leave a large firm environment to create a more focused, efficient and responsive practice. Based on the reputation and capabilities of the founding members, as well as the established trust and loyalty with their clients, the firm was immediately active representing multi-national clients. The firm’s clients are among the most recognized names and leaders in various business sectors, such as software and technology, retailing, luxury goods and fashion, energy, etc.

Since its establishment, the firm has continued to grow, a result of the firm’s uncompromising emphasis on maintaining its reputation for the highest level of service, professionalism and integrity. This philosophy and commitment has been essential in developing and servicing the firm’s prestigious list of clients, whose needs are sophisticated and whose matters have global impact.

The firm is proud of its approach of nurturing very close and personal relationships with its clients, the foundation of the firm’s ability to know its clients and thereby serve their needs more effectively and efficiently.

Intellectual Property Practice

The firm has a strong and diverse practice in all aspects of intellectual property. It is very active with both domestic and international prosecution practice for trademarks, as well as related disputes and administrative proceedings. Aside from prosecution matters, the firm and its members have become particularly well-known for its capabilities in the areas of litigation, anti-counterfeiting and internet related matters.

In the area of anti-counterfeiting and enforcement, the firm has developed a very strong reputation for its effective and creative programs in combating many difficult problems in Korea. The firm represents many brand owners and manages among the most active anti-counterfeiting and trademark enforcement programs in the country.

The firm is also very active with domain name disputes, successfully reclaiming domain name registrations from cyber-squatters for trademark owners. Mr. Tae-Yeon Cho has served on the executive committee for the Internet Address Domain Name Dispute Resolution Committee, the government body that administers Korean domain name disputes. Another member of the firm, Mr. Ik Hyun Seo, serves as a panelist for WIPO with respect to gTLD disputes.

Firm overview

Founded in 1977, Lee & Ko is a premier full-service law firm in Korea. With more than 880 professionals organized into 40 specialized teams, Lee & Ko is consistently ranked in the top tier in all of its leading practice areas by international publications. Lee & Ko’s foreign and domestic clients benefit from its incomparable breadth and depth of resources, experience and professionalism.

With more than 100 seasoned patent and trademark attorneys, Lee & Ko’s IP group delivers superior legal services focused on helping clients to navigate the complex legal landscape by providing practical and effective solutions. The IP group is dedicated to the protection, transfer, counselling and enforcement of IP rights. With unrivalled experience in advising and representing clients in cross-border patent/trademark disputes and IP prosecution, the IP group has a global reach and is consistently ranked in top-tier categories for intellectual property by numerous global law firm evaluators, including the Legal 500, Asialaw Profiles (Euromoney), Chambers & Partners, IAM, WTR, and Managing Intellectual Property.

Patent prosecution and patent office trials
The IP group assists clients in multiple industry sectors, including biotechnology, specialty chemicals, semiconductors, materials science, electronics, mechanical, pharmaceuticals, telecoms and computer software. The IP group’s patent attorneys have significant experience litigating before the Korean Intellectual Property Office (KIPO) in invalidity and scope confirmation actions and freedom-to-operate analysis. The breadth and scope of their experience allow the IP group’s patent attorneys to create robust patents by evaluating patent applications during preparation, filing and prosecution with a critical eye towards enforcement. The combined prosecution, transactional and litigation experience enables the IP group’s patent attorneys to ensure that clients develop valuable patent portfolios which offer the broadest protection while ensuring patent validity and enforceability.

Patent litigation, enforcement and dispute resolution
Success in any litigious matter can mean many things. However success is defined, the IP group produces results for its clients. The IP group understands that clients need a trial team with substantial technical and scientific knowledge, but also substantive knowledge of the law and the rules and procedures governing legal proceedings. Many of the IP group’s litigators have strong technology related backgrounds and skills which cover a wide range of technical fields. The IP group also includes litigators who were former judges specializing in IP law and IP cases while serving on the Supreme Court, the Patent Court or the Seoul High Court, as well as former examiners and administrative law judges from the KIPO. When criminal issues arise, the IP group works closely with attorneys in Lee & Ko’s white collar crime group who formerly served as public prosecutors. Complemented by insight received from senior lead litigators, many of whom have 20 to 30 years’ trial experience, and seasoned foreign legal counsels, the IP group is in a unique position to create an effective trial team that can provide comprehensive legal services framed by technical, strategic, judicial, administrative and international perspectives.

Patent development and counselling
The IP group assists clients in developing and deploying a portfolio of strategic IP assets. Beyond the knowledge of IP matters and underlying technology, the IP group is fully aware that a key component to the success of any client includes the strategic use and licensing of its IP portfolio. The IP group has unrivalled experience in negotiating licensing, distribution and joint venture agreements covering all areas of intellectual property. Besides licence negotiation and drafting, the IP group provides counselling for clients on licensing strategies, IP-related competition law issues and strategic product development and distribution.

Trademark prosecution and portfolio management
Lee & Ko offers strategic counselling, trademark prosecution and portfolio management services to clients around the world. Through its network of international law firms, Lee & Ko currently advises numerous multinational and Korean clients across various industries on trademark prosecution matters in more than 50 countries.

IPTAB practice
Lee & Ko has decades of trademark litigation experience before the Korean Intellectual Property Trial and Appeals Board (IPTAB) and has successfully represented multinational clients as part of its worldwide campaigns involving a series of IPTAB actions. Lee & Ko provides positive results but also coordinates legal strategy with other disputes pending around the world.

Comprehensive judicial enforcement of trademark and related rights
Lee & Ko’s trademark team provides comprehensive enforcement solutions by integrating its investigations, enforcement and regulatory teams. Experienced Lee & Ko attorneys in both civil and criminal litigation formulate the best enforcement strategies tailored to each client’s unique circumstances and needs. Lee & Ko’s team works closely with its criminal practice team to instigate criminal proceedings when appropriate and to gather evidence that may be used to later establish civil liability and support any damages claims. This approach is critical because there is no practical means of civil discovery in Korea. Lee & Ko’s attorneys based in Korea, China and Vietnam provide monitoring services on the production and distribution of infringing goods and counterfeits in these countries and other nearby regions. Lee & Ko’s Chinese and Vietnamese lawyers also provide legal expertise in the relevant local laws.

Customs and border management
Lee & Ko’s trademark team is experienced in pursuing customs and border protection measures when appropriate. These may be pursued along with civil and criminal litigation under the Trademark Act and the Unfair Competition Act. Numerous Lee & Ko professionals have extensive experience working with the Korean customs authorities and former high-ranking officials who provide invaluable insight on this issue.
Lee & Ko’s highest priority is to build lasting relationships with clients by being responsive to each client’s specific needs. The firm has a well-earned reputation for successfully handling landmark matters in many of the most important transactions and cases involving business both in Korea and worldwide. Lee & Ko’s fully integrated team of legal experts – with specialties including tax, fair trade law, antitrust and competition matters, criminal enforcement and defense, as well as corporate practice – is well-suited to protect clients’ trademarks, brands and worldwide reputations.