Attorneys with Entrepreneurial Spirit


Since its foundation in 2017, we have been giving practical solutions to startups with new business ideas, foreign companies doing business in Korea, and crypto projects solving important problems.

Headquartered in the center of business district of Gangnam in Seoul, DUSON LAW represents creative and innovative clients from all over the world. Our firm specializes in the Intellectual Property matters, focusing on trademark prosecution and disputes. We founded the firm to help foreign companies and individuals having difficulties in managing the intellectual properties and doing business in Korea. We bring extensive experience and professionalism to every case and customize our support to your specific needs and concerns. SJ Hong, the managing partner of the firm, was selected as one of the Expert Lawyers in the areas of Intellectual Property Laws by the Korean Bar Association.

Since the cypto boom of 2017, we have been assisting crypto projects exploring the possibilities of applying blockchain technologies into business, in this vague regulations. We help them to focus on their projects by giving solutions so that they can do business while complying with regulations. SJ Hong is serving as the Division Head of the Blockchain Special Committee of the Korean Bar Association.




5th Floor, 142 Teheran-ro, Gangnam-gu
Seoul 06236, South Korea




Areas of Practice

intellectual properties

  • Intellectual Property Disputes (Patents, Trademarks, Designs, Copyrights, Unfair Competition, Domain Names, etc.)

  • Litigation: Patents, Trademark, Design, Copyrights, Unfair Competition

Foreign companies

  • Setting Up Subsidiaries or Branch Offices in Korea

  • Incorporation and Related Documentation

  • Investment in Korean Companies

  • Civil and Criminal Disputes

trademark prosecution and disputes

  • Trademark Application, Trademark Search

  • Responding to Office Actions

  • Trademark Oppositions, Cancellation Actions, Invalidation Actions

crypto/blockchain projects

  • Review Legality of Projects

  • Initial Coin Offerings (ICOs), Security Token Offerings (STOs) in Korea

  • Review of Whitepapers and Token Economy regarding Securities


  • Establishing Companies

  • Startup Co-founder Agreements

  • Startup Investment Contracts

  • General Corporate Legal Matters

general legal matters

  • Disputes with Korean Companies or Individuals

  • Review of Contracts

  • Corporate Documentation

  • Civil, Criminal and Administrative Lawsuits



Contact Us

Use the form below to contact us regarding your legal issue. Please be as detailed as possible. To help us best service your issue, we recommend that you first describe the issue and tell us what you want to achieve.

Or please send an email to help@dusonlaw.com for inquiries.

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Please do not include confidential or sensitive information in your message. In the event that we are representing a party with opposing interests to your own, we may have a duty to disclose any information you provide to our client.