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Key practice areas
Intellectual property
Patent disputes
Trade mark disputes
Trade mark
Patent
Trade mark prosecution
IP transactions
Labor and employment
Dispute resolution
International arbitration
White collar crime
Product liability and recall
Insolvency
Tax
Firm overview

Yulchon is a full-service law firm headquartered in Seoul, Korea, advising on a full range of specialized practice areas, including corporate & finance, antitrust, tax, real estate & construction, dispute resolution, intellectual property & technology, and labor & employment. With more than 720 professionals, in addition to its main office in Seoul, Yulchon has six overseas offices in five jurisdictions and has 10 regional practice teams covering the world.

Yulchon was established in 1997 by a group of top legal professionals to create “a community of legal experts combining their talents,” the literal meaning of Yulchon. Since its founding, Yulchon has grown rapidly without any mergers or acquisitions, becoming an acknowledged market leader among Korea’s law firms. Today, Yulchon lawyers rank among the very top practitioners in the country and work together in multidisciplinary teams to provide the highest quality of legal services to its clients.

Furthermore, as Korea’s leading provider of pro bono legal services, Yulchon takes on matters in various areas of public interest law together with Onyul, a public interest affiliate Yulchon established in 2014. Our pro bono efforts include works related to non-profit organizations, community development, charitable fund-raising, tax litigation support, refugee assistance, and adult guardianship.

AREAS OF PRACTICE

Yulchon is structured around seven major practice groups: Antitrust/Competition, Corporate & Finance, Tax, Dispute Resolution, Real Estate & Construction, Labor & Employment, and IP & Technology. Each group is recognized as leaders in their respective fields and consistently ranks among the best practices in Korea for their work on high-profile and landmark transactions. These groups are supplemented by a number of smaller practice teams focusing on specific industry, region or subject matter which has enabled our clients to benefit from the comprehensive breadth of a full-service law firm and the expertise and experience of a specialist practice. We constantly develop new practice teams to meet the needs of our clients in the ever changing business and regulatory environments. Our healthcare practice team, cyber security and privacy practice team, and internal investigations team are excellent examples. With extensive experience and influential government and regulatory resources, our attorneys and professionals are equipped and committed to provide unparalleled legal, strategic and business advice. Our success is grounded in our devotion to provide technical expertise and service capabilities at the highest level, supplemented by the industry know-how essential to achieve our clients’ business objectives. Furthermore, in cooperation with a network of reputable international law firms, we provide our clients, both domestic and foreign, with integrated and comprehensive services found only in preeminent international firms.

IP PRACTICE GROUP

The following qualities indicate that Yulchon’s IP & Technology practice is exceptional.

  • Members: Our team is 100% devoted to IP, and it is populated by former judges, former KIPO administrative patent judges and patent examiners, former in-house counsel, and attorneys with technical degrees in various fields. We also have senior advisors who served as a congressman of the National Assembly and former data privacy officials.
  • Excellent Track Record: We are happy to report that we built on last year’s successes by receiving favourable decisions in the district court and higher courts.
  • Specialists in high stakes, contentious IP matters: We consistently serve as counsel for bet-the-company contentious matters and often obtain favourable rulings.
  • Industry Sector Strengths: Yulchon’s IP Practice is at the forefront of key IP litigation and transactions, and we represent leading companies in virtually all industries, including: Healthcare, Semiconductor, Entertainment and E-commerce.
Practice Areas & Sector Specialisations

The IP Group offers services in the following areas:

  • Patents and utility models
  • Designs
  • Trademarks
  • Copyright (including computer programs)
  • Trade secrets
  • Unfair competition
  • Entertainment (eg, celebrities, sports and movies)
  • IP risk management (eg, IP compliance)
  • IP surveys and evaluation
  • IP licences and transactions
  • International dispute management
  • Protection of personal information
Address:
Parnas Tower, 38F, 521 Teheran-ro
Gangnam-gu
Seoul 06164
Tel:82-2-528-5200 Fax:82-2-528-5228 Email:Contact Us Web Address:http://www.yulchon.com
2026 Edition
Copyright & related rights
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Overview

Yulchon is among the elite firms in South Korea for IP litigation and transactions. The practice is supported by a team consisting of experienced patent attorneys, including former KIPO patent examiners, and associates with technical degrees. It is trusted by clients to handle patent invalidation trials and trade mark infringement matters. The firm has a new IP and Technology division to deliver legal and regulatory advisory services to clients in the technology sectors, including AI, blockchain, and data privacy.

Notable IP practitioners: Jeong Yeol Choe, Hyeong Joo Lim, Won Jae Lee

Testimonials

2025

"Provides quick feedback and strives to meet customer needs."

"They are a top team, always responsive, and easy to work with."

"They display professionalism and great situational response methods."

Linked Reviews
Patent

One notable case study shows the team successfully defending Celltrion in two confirmation-of-scope trials initiated by Novartis. The team’s representation saved Celltrion substantial legal fees and time and facilitated a stable and successful market entry for its product.

Trade mark

A case study illustrates the team's assistance to Brewguru, a Korean manufacturer of alcoholic beverages, in a dispute concerning its registered “BEURRE” trademark. 

Keejeong Kim, who returned to Yulchon after a four-year gap, said he was intrigued by the opportunity to work on neighbouring areas of law to IP
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