Masahiro is the Senior Managing Partner at Asamura Patent Office, p.c. and Asamura Law Offices, Tokyo, Japan. He started his career as a patent attorney (Benrishi) handling patent prosecution in the field of chemistry (polymers, synthetic fibers, pharmaceuticals, foods and biotechnology). Later he passed the bar exam and has been registered as an attorney-at-law (Bengoshi) for more than ten years. Masahiro’s practice is primarily focused on patent, trademark, design and unfair competition litigations in the courts and enforcement at Japan Customs, as well as related invalidation and cancellation trials before the Japan Patent Office.