Hyundong Yeo   Partner ∙ Patent Attorney

Experience

• Shin , Hwang, Yeo & Lee (2026–present)
• Member, AI Transparency Policy Research Group, Ministry of Science and ICT / Telecommunications Technology Association (2026–present)
• Member, Expert Committee on High-Impact AI Confirmation, Ministry of Science and ICT (2026–present)
• Yoon & Yang (2024–2026)
• Director, Korea Intellectual Property Lawyers Association (KIPLA) (2025–present)
• Member, AI Framework Act Subordinate Legislation Task Force, Ministry of Science and ICT (2025)
• Head of Business & Legal Affairs, Plasmapp Co., Ltd. (2022–2024)
• Yoon & Yang (2012–2022)
• Member, AI Legal Framework Task Force (High-Risk AI Standards), National Information Society Agency (2021–2022)
• Member, Legislative Committee, Seoul Bar Association (2021–2022)
• Advisor, Patent System Reform and Legislative Amendments, Korean Intellectual Property Office (2018–2019)
• You Me Patent & Law Firm (2006–2008)

Representative Activities

Awards

• Commendation from the Minister of Science and ICT (Contributions to the Development of the AI Industry, 2025)
• Leading Lawyers / Rising Stars, Intellectual Property (Legal Times, 2022)

Publications/Activities

• Technology Protection: A Practical Guide (co-author, Oneness Media, 2026)
• Virtual Assets A to Z: From Investment to Dispute Resolution (Co-author, Korea Economic Daily, 2022)
• Preliminary Study on Risk-Based AI Technical Standards (Co-author, National Information Society Agency, 2021)
• Copyrightability of Architectural Design Documents and Methods for Calculating Damages (Seoul Bar Association Journal, Vol. 32, No. 2, 2018)

Key Credentials

• Represented client in trade secret misappropriation disputes involving secondary battery manufacturing equipment and HVAC (GHP) systems
• Advised and represented client in pharmaceutical patent linkage matters, including regulatory strategy and related patent infringement litigation
• Represented client in patent claim construction proceedings and infringement litigation involving insulated deck plate technology
• Represented client in patent infringement, invalidation, and appellate proceedings involving secondary battery separators and related materials
• Represented client in patent infringement, invalidation, and appellate proceedings involving secondary battery separator base materials
• Represented client in litigation involving plant variety protection rights
• Represented client in appellate proceedings challenging decisions in patent invalidation actions (including biotechnology-related inventions such as probiotic coating methods)
• Advised on technology strategy and developed patent maps for plasma sterilization systems
• Represented client in copyright litigation involving architectural design documents
• Represented client in trade secret misappropriation litigation involving GHP systems
• Represented client in patent disputes involving term extension and scope of protection
• Represented client in patent infringement and invalidation disputes involving consumer products (e.g., beverage containers)
• Advised and represented client in employee invention compensation disputes
• Represented client in patent infringement litigation concerning the scope of protection of salt form pharmaceutical patents
• Represented client in pharmaceutical patent infringement and invalidation proceeding
• Advised and represented client in trade secret disputes involving botulinum toxin-related technologies
• Represented client in trade secret and patent disputes involving semiconductor equipment

• Advised on litigation relating to a major credit card company’s personal data breach incident
• Advised on legislative and regulatory reform matters concerning technical standards for high-risk AI systems
• Advised on the Framework Act on Artificial Intelligence and its Enforcement Decree
• Advised the support desk established under the Framework Act on Artificial Intelligence on legal and regulatory matters
• Advised on personal data protection and AI regulatory issues relating to the use of medical data

• Advised on regulatory compliance under the Motor Vehicle Management Act
• Conducted legal due diligence and document review for vehicle emissions certification matters
• Advised on regulatory and litigation matters arising from the humidifier disinfectant incident
• Advised on environmental regulatory compliance under the Chemical Control Act (CCA) and Chemicals Control Act Enforcement framework in relation to industrial facility establishment
• Advised on M&A transactions and conducted due diligence for waste treatment and incineration companies
• Advised on environmental regulatory compliance, including ESG and operational due diligence
• Advised on administrative sanctions and regulatory enforcement actions involving a waste management company
• Advised on and structured joint ventures between a domestic conglomerate and a hydrogen energy company
• Represented client in environmental tort litigation involving soil contamination and remediation liability
• Advised on regulatory compliance relating to environmental claims in product advertising and labeling

• Represented client in civil litigation arising from cryptocurrency exchange shutdowns
• Represented client in civil litigation involving cryptocurrency exchange data breaches and personal data protection issues
• Advised and represented client in criminal proceedings and regulatory matters involving virtual asset issuance and cryptocurrency regulations
• Advised and represented client in disputes and litigation arising from fires at industrial facilities and data centers
• Represented client in product liability litigation involving an automotive fire incident
• Advised on EPC contracts for a railway infrastructure project, including design and construction risk allocation
• Represented client in arbitration proceedings arising from defects in hydropower gate manufacturing, the Four Major Rivers Project
• Represented client in arbitration proceedings involving design and construction of nuclear power plant fire protection piping systems
• Represented client in arbitration proceedings involving design and construction of overseas power plant cooling water systems
• Represented client in criminal and civil proceedings arising from the Gangneung hydrogen tank explosion
• Advised on legislative development and regulatory standards for high-risk artificial intelligence technologies
• Advised on the Artificial Intelligence Framework Act and related subordinate legislation
• Represented client in civil litigation arising from aircraft procurement disputes (meteorological aircraft)
• Represented client in civil litigation involving a wind turbine failure incident