His technical background is Chemistry. He experienced in handling numerous patent prosecution matters and trials in the filed of chemistry and medical devices for 20 years. Further he is engaged in suits against trial decision and patent infringement litigation in the IP law firm (Abe, Ikubo & Katayama, Tokyo Japan). Therefore, he has a lot of experiences in handling both patent prosecution (applications) and patents across jurisdictions. Further, he is a member of working group of monthly Judical Decision Study meeting of AIPPI Japan.