
Yulchon’s TMT group combines industry knowledge with multidisciplinary legal capabilities, enabling it to advise on matters spanning emerging technologies, data privacy compliance, and telecoms regulation. Doil Son heads up the group and has a well-rounded practice covering mergers and acquisitions within the tech, big data, and data privacy sectors. Seung Hyuck Han’s practice sits at the intersection of TMT and competition law, whereas Sun Hee Kim is a reference for e-commerce and telecoms businesses on data privacy. Mun Hui Kim advises broadcasters and OTT platforms on legal issues relating to broadcasting, sports, and entertainment management. So Jung Kim adds a combination of antitrust and TMT expertise to the team.
Legal 500 Editorial commentary
Accolades
Client satisfaction: NPS ®
Testimonials
Collated independently by Legal 500 research team.
- ‘I am impressed with this firm's ability to translate complex privacy matters into practical explanations that we can understand and act on.’
- ‘I recommend Attorney Yong Min Lee. He responds in a timely manner and has exceptional expertise in the fields of patents and trademarks.’
Key clients
- LG Uplus Corp.
- KT Corporation
Work highlights
Advised and represented a client in a Korea Fair Trade Commission investigation into alleged collusion among Korea’s three major mobile carriers.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Doil Son
Other key lawyers
Seung Hyuck Han; Sun Hee Kim; Mun Hui Kim; So Jung Kim; Yong Min Lee; Yoo Jung Hur

