Asamura IP


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

Tel:+81 357 158 651

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Senior Managing Partner: Masahiro Asamura

Quick facts:

Established: 1891
Number of Partners: 14
Number of IP Practitioners: 84
Languages: Japanese, English, Chinese
Network Memberships: INTA, AIPPI, APAA

Since the establishment of our firm in 1891, we have evolved through five generations into the oldest and one of the most experienced IP firms in Japan offering a one-stop shop solution for all IP needs. We take pride in delivering exceptionally high quality, handling both inbound and outbound cases, with more than 31 patent attorneys covering technical fields ranging from mechanical engineering, ICT to chemical/biotechnology. Our practice also covers all aspects of trademark and design matters.

Depending on each case, we appoint the right patent or trademark attorney to act on behalf of our clients to ensure that each case is successful.

Practice Areas: Copyright & related rights, Designs, Intellectual property (contentious), Intellectual property (prosecution), IP transactions, Patent, Patent contentious, Patent prosecution, Trade mark, Trade mark contentious, Trade mark prosecution, IP Valuation and IP Consulting Services 

Sector Expertise: Utilities, Telecommunication, Technology hardware, Semiconductors, Robotics, Renewable energy, Professional services, Pharmaceutical, Optics & photonics, Oil & gas, Nanotechnology, Medical device, Mechanical, Manufacturing, Life sciences, Internet, ICT & software, Hospitality & leisure, Gaming, Financial services, Fashion & luxury goods, Electronics, E-commerce, Electrical, Computer technology & services, Chemical, Construction & materials, Biotechnology, Automotive, Artificial intelligence, Aerospace, Advertising, Analog/digital circuits, Measurement technology,  Industrial plants,  Marine vessel