We are proud of our 130 year history and will continue to strive for excellence in our work.
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Recent Update Events
Asamura NewsAsamura Patent Office has been Awarded a Silver Certificate for Excellence in Health & Well-Being in 2025
June 4, 2025 ASAMURA IP P.C. A[…]
Read moreOur Firm has been recognized in the IP STARS 2025 trademark rankings by Managing IP Awards
June 3, 2025ASAMURA IP P.C. Ou[…]
Read moreOur firm has been selected as one of the top 10 firms (Tier 2) in the category of Trademark Prosecution by Asia IP
April 1, 2025ASAMURA IP P.C. O[…]
Read moreOur firm has been awarded Trademark Law Firm of the Year in Japan -2025 according to Corporate INTL
February 3, 2025 ASAMURA IP P.[…]
Read moreThe Trademark Lawyer Magazine Annual 2025 features an article written by Asamura IP’s Kazutaka Otsuka
January 29, 2025ASAMURA IP The[…]
Read moreIP Information (ASAMURA NEWS)
IP news (Asamura News)Japan: International Application Fees Revised: September 1, 2024
Aug 20, 2024ASAMURA IP Japan: […]
Read moreJapan: Summary of the IP Lump-sum Law to be enforced on April 1, 2024
Mar 26, 2024 Japan: Summary of[…]
Read moreJapan: Act for Partial Revision of the Unfair Competition Prevention Act (IP Lump-sum Act) promulgated
Jul 13, 2023 Japan: Act for Pa[…]
Read moreJapan: Relaxation of requirements for restoration of rights due to the expiration of a procedural period
Jun 30, 2023 Japan: Relaxation[…]
Read moreGermany Deposits Ratification of the Agreement on the European Court of Unity (UPCA) , UPCA to (be issued June 1, 2023)
Mar 6, 2023 Germany Deposits R[…]
Read moreClient First
ASAMURA IP P.C. hereby declares, as through the many generations (established 1891), we have always, to pursue the progress of IP systems in the world. To ensure our client’s satisfaction at all times.
All members of the ASAMURA IP P.C. family, swear to oblige by these beliefs and to do their very best to accomplish such beliefs.
Asamura Declaration
ASAMURA IP P.C. will contribute to the progress of the Intellectual Property systems in the world.
ASAMURA IP P.C. provides services based on knowledge and experience cultivated from over a hundred years, as a patent firm having the longest history and tradition in Japan.
ASAMURA IP P.C. will accurately grasp our client’s needs, and will always endeavor to offer our clients the satisfaction they seek.
See the proof of ASAMURA IP P.C. is trusted!
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Clients all over the world
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Our Value and What Makes Us different
For over a century, we have been providing our clients with excellent service based on knowledge and expertise. We have contributed to the evolution of intellectual property systems all over the world, and helped companies protect their inventions.
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Who We Are
We have been experts in intellectual property since 1891. Today, we use our history,heritage and experience to help companies around the world get the results they want.
For patent, design, and trademark-related matters in Japan, please contact Asamura IP and we will be happy to assist you.
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Our History
-First Patent Office In Japan-
The world was a very different place when ASAMURA IP P.C. was founded in 1891. When Mr.Saburo Asamura opened his office, telephones were only beginning to become widely commercially available. In the century that followed, the company has seen the technology transform the way people live their lives.
Thanks to the trust of our customers, we celebrated our 130th anniversary in 2021.
Our Corporate and Social Responsibilities
We do not just do great work for our clients, we also try to work for our community and the environment.
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Managing Board Members
Member Profiles
Directors
Patent Attorneys and Ph.D.
Jun Zhao
Patent Attorney
Associate
Mechanical & Electrical Dept., Trademark & Design Department (concurrently)
International Business Coordinator
Partner Lawyers (Asamura Law Offices)
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ASAMURA IP P.C.
Address : Otemachi 1st Square West Tower 17F,
1-5-1, Otemachi, Chiyoda-ku, Tokyo 100-0004, JAPAN
P.O. Box : P.O. BOX 156, Ginza Post Office, 100-8691, JAPAN
Phone : +81-3-6840-1536 (rep.)
Fax : +81-3-6840-1540
E-Mail : Inquiry Form
Tokyo Station (JR) : 5 min. walk from Marunouchi North Exit
Otemachi Station (Subway* ): Direct access from C8, C11, C12 Exits
*) Tokyo Metro (Marunouchi Line, Chiyoda Line, Tozai Line, Hanzomon Line), Toei Subway (Mita Line)
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