Youngchan Maeng handles intellectual property matters such as patent prosecution, IPTAB actions and litigation and consultation for domestic and overseas clients in the chemical field. Specifically, he has extensive experience in secondary batteries, organic and inorganic compounds, polymers, petrochemical processes, petrochemical products, catalysts, adhesives (including pressure-sensitive adhesives), optical filters and 3D-sensing filters. He has also represented domestic and overseas companies and university-industry cooperation foundations in matters involving FTO analysis reports, IP R&D-based patent portfolios and invalidation and infringement due diligence.