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Yoon & Yang LLC

Intellectual Property

Asia-Pacific Guide 2026 : South Korea

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Yoon & Yang LLC

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About

Provided by Yoon & Yang LLC

Yoon & Yang’s Intellectual Property Practice offers premier legal services based on the extensive expertise and experience of its professionals covering all areas of intellectual property-related matters, including patents, utility models, designs, trademarks, copyright, and trade secrets.

Members of Yoon & Yang’s Intellectual Property Practice include patent attorneys and litigations, many with advanced degrees and industry backgrounds in various technical areas including machinery, construction, electricity, electronics, communications, chemistry, life science, and pharmaceuticals. Drawing upon the diverse experience and in-depth expertise of our professionals, Yoon & Yang’s Intellectual Property Practice provides one-stop solutions tailored to clients’ business goals.

Yoon & Yang’s Intellectual Property Practice is equipped to satisfy all aspects of IP-related needs of clients, including representing clients in IP-related disputes, advising on IP transactions and commercialization, implementation of IP policies and strategies, IP infringement prevention and risk management, and digital forensics.

Clients (11)

  • SK Innovation (SK ON)
  • Hanmi Pharm
  • Hyundai Mobis
  • Kolon Industries
  • GSK
  • One Semicon
  • Miracle Solution
  • Naver Webtoon Ltd.
  • Hybe Corp.
  • The Givers
  • Dailybeer Co., Ltd.

Chambers Review

Provided by Chambers

Intellectual Property - South Korea

Band 2

What the Team is Known For

Yoon & Yang is recognised for its increasingly sophisticated practice and strong support from clients for its litigation abilities, especially in the IT and pharmaceutical sectors. The team services a domestic and multinational client base in respect of patent, trade mark, trade secret misappropriation and copyright infringement disputes. It is frequently instructed on cross-border IP litigation and also experienced in handling cases involving issues of competition law.

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Work Highlights

Provided by Chambers

  • Yoon & Yang represented Hanmi Pharm in a confirmation trial it filed against Novartis concerning the scope of a patent held by the latter for a pharmaceutical composition comprising an angiotensin receptor blocker and a neprilysin inhibitor.

Strengths

Provided by Chambers

  • The team is specialised in patents and very helpful in litigation proceedings because it is aware of all the technical aspects related to the patent in dispute.

    Intellectual Property respondentAsia-Pacific

  • There are experts for each detail, and all of them have a lot of experience and give quick and deep opinions. They also listen to us and are well aware of our business.

    Intellectual Property respondentAsia-Pacific

Notable Practitioners

Provided by Chambers

  • Dongju Kwon
    Dongju Kwon

    Dongju Kwon

    Dongju Kwon heads Yoon & Yang intellectual property practice group and has notable expertise in patent infringement and invalidation claims.

    • Dongju Kwon is excellent when it comes to customer service, problem-solving skills and business mindset.

      Intellectual Property respondentAsia-Pacific
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Ranked Individuals at Yoon & Yang LLC (1)

South Korea

Members

Provided by Yoon & Yang LLC

Yoon & Yang LLC has rankings in the following guides

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