Hyunseok Park is an associate in the firm's Chemical /Biotechnology /Pharmaceutical Group. He is involved in drafting and prosecuting patent applications involving petrochemicals, alloys, polymers, automotive materials, display materials, semiconductor materials, battery materials, magnetic recording mediums, tires, adhesive films, etching liquid for semiconductors, small molecule drugs, protein drugs, siRNAs, microRNAs, transgenic animals, methods of treating (diagnosing) human and animal disease, microbiome, virology, vaccines, drug delivery, food compositions, chromatography, fuel cells and inks. His practice includes appeals before the USPTO, rendering opinions, FTO analysis 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.