Masahiro Asamura

Masahiro Asamura

Senior Managing Partner, Attorney-at-law, Patent Attorney



Otemachi 1st Square West Tower 17F, 1-5-1, Otemachi,
Chiyoda-ku, Tokyo 100-0004



+81 3 5715 8651

E-mail Address:

Masahiro Asamura

Areas of Expertise

Patents, Trademarks, Copyright, IP Litigation


Masahiro Asamura is a Senior Managing Partner at Asamura Patent Office, p.c. and Asamura Law Offices successfully leading both firms.

Besides management responsibilities, he is involved in consultations regarding patent, trademark, designs, and copyright related disputes, unfair competition concerns, inter-party trials (invalidation trials and trials for cancellation), warning letter correspondence, negotiations, cross-border injunctions, and litigation. Mr. Asamura has extensive experience as both patent attorney and attorney-at-law advising Japanese and foreign companies in a wide range of intellectual property matters.

Mr. Asamura also served as a member of the Japan Patent Attorneys Association’s Amicus Brief Committee (2011-2013) and as a member of the Association’s Intellectual Property Litigation Committee (2013 – 2014) where he was involved in examining court cases and Japanese litigation system.

Please wait while the page is loading...