Materials, Machinery, Cell/Battery, Displays

Domestic and International Patent Prosecution, Trial, Litigation, Infringement Action, Licensing, Patent portfolio.

Publications and Articles:

YONG Patent Law (2021~), YONG Patent Law Casebook (2022~), YONG Patent Law Examination Casebook (2021~)

The Availability of the Free-to-Use Design Defense Against a Design Right Accompanied by a Claim of Exception to Loss of Novelty, Intellectual Property Trial and Appeal Board (IPTAB), 2024

Criteria for Determining the Direct Infringement of Patent Inventions with Multiple Components: Based on Supreme Court Decisions 2019Da222782 and 2019Da222799, Journal of Intellectual Property Volume 20, Issue 4, December 2025

A Study on the Methodology for Interpreting Article 7(1)1 of the Enforcement Decree of the Patent Act, Centered on a Purposive Interpretation, Journal of Intellectual Property Volume 21, Issue 3, September 2026