Hyunseok Park is an associate in the firm's Chemical /Pharmaceutical/ Biotechnology Group. He is involved in drafting and prosecuting patent applications involving materials for magnetic recording mediums, batteries, tires and adhesive films, etching liquid for semiconductors, food compositions, alloys, chromatography, fuel cells, inks, automotive gas sensors, polymers, cosmetics, small molecule drugs, protein drugs, gene therapy, longer-lasting peptide, genetically altered plants and diagnostic methods. His practice includes appeals before the USPTO, rendering opinions and IP portfolio building for large and small companies. Prior to joining Sughrue, Mr. Park worked at a law firm in Seoul, Korea where he has been involved in a diverse intellectual property practice, encompassing world-wide patent prosecution, client counseling, post-grant patent challenges and patent litigation. He is a registered Korean Patent Attorney.