Recent Update Events
Our firm has been selected as one of the top 10 firms (Tier 2) in the category of Trademark Prosecution by Asia IP
April 1, 2025 ASAMURA IP P.C. Our firm has been selected as one of the top 10 firms (Tier 2) in the category of Trademark Prosecution by Asia IP …
Read moreOur Firm Recognized as an Excellent Enterprise of Health and Productivity Management 2025 in the Category of Small and Medium-sized Corporations
March 10, 2025 ASAMURA IP P.C. Our Firm Recognized as an Excellent Enterprise of Health and Productivity Management 2025 in the Category of Small and Medium-sized Corporations Asamura IP has…
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.C. Our firm has been awarded Trademark Law Firm of the Year in Japan -2025 according to Corporate INTL We are pleased to announce…
Read moreThe Trademark Lawyer Magazine Annual 2025 features an article written by Asamura IP’s Kazutaka Otsuka
January 29, 2025 ASAMURA IP The Trademark Lawyer Magazine Annual 2025 features an article written by Asamura IP’s Kazutaka Otsuka Kazutaka Otsuka, the Head of Asamura IP’s Trademark and Design…
Read moreAsamura IP: Your Trusted IP Partner in Japan
January 1,2025 ASAMURA IP Asamura IP: Your Trusted IP Partner in Japan Since 1891, we have been providing our clients with excellent service to help protect their property through…
Read moreClosed Dates – 2025 – JPO and ASAMURA IP P.C.
January 1,2025 ASAMURA IP Closed Dates – 2025– JPO and ASAMURA IP P.C. Closed dates of the Japan Patent Office (JPO) and ASAMURA IP P.C. in 2025 are…
Read moreThe year end and new year holidays
Dec 23,2024 The year end and new year holidays Our office and Japan Patent Office (JPO) are closed from December 28, 2024 to January 5, 2025 due to the…
Read moreOur firm has been awarded Best Full-Service IP Law Firm 2024 – Japan according to AI Global Media (Global Excellent Awards)
July 25, 2024 ASAMURA IP P.C. Our firm has been awarded Best Full-Service IP Law Firm 2024 – Japan according to AI Global Media (Global Excellent Awards) We are…
Read moreAsamura IP has been included once again as a Ranked Firm 2024 based on MIP Rankings
July 1, 2024 Asamura IP has been included once again as a Ranked Firm 2024 based on MIP Rankings We are delighted to announce that once again Managing Intellectual…
Read moreJapan: International Application Fees Revised: January 1, 2025
December 3, 2024 Japan: International Application Fees Revised: January 1, 2025 For international applications filed with the Japan Patent Office (JPO), the international filing and handling fees will be…
Read moreJapan-U.S. Collaborative Search Pilot Program Completed
Nov 1, 2024 Japan-U.S. Collaborative Search Pilot Program Completed The US-JP Collaborative Search Pilot Program (CSP), which started on August 1, 2015, with the aim of providing more certainty…
Read moreJapan: International Application Fees Revised: September 1, 2024
Aug 20, 2024 Japan: International Application Fees Revised: September 1, 2024 For international applications filed with the Japan Patent Office (JPO), the international filing and handling fees will be…
Read moreJapan: Summary of the IP Lump-sum Law to be enforced on April 1, 2024
Mar 26, 2024 Japan: Summary of the IP Lump-sum Law to be enforced on April 1, 2024 The following is a summary of the law to partially amend the…
Read moreJapan: Trademark Consent System
Mar 1, 2024 Japan: Trademark Consent System The Act for Partial Revision of the Unfair Competition Prevention Act was passed and promulgated as Act No. 51, June 14, 2023.…
Read moreJapan: IP Lump-Sum Act Now in Effect
Jan 22, 2024 Japan: IP Lump-Sum Act Now in Effect This is an overview of The Act for Partial Revision of the Unfair Competition Prevention Act (IP Lump-sum Act)…
Read moreJapan: International Application Fees Revised
Dec 6, 2023 Japan: International Application Fees Revised Due to the continuing depreciation of the yen, the fees for filing international applications with the Japan Patent Office (JPO) will…
Read moreJapan: Act for Partial Revision of the Unfair Competition Prevention Act (IP Lump-sum Act) promulgated and the Effective Date Decided
Nov 27, 2023 Japan: Act for Partial Revision of the Unfair Competition Prevention Act (IP Lump-sum Act) promulgated and the Effective Date Decided The Act for Partial Revision of…
Read moreJapan: International Application Fees Revised
Aug 2, 2023 Japan: International Application Fees Revised Due to the continuing depreciation of the yen, the fees for filing international applications with the Japan Patent Office (JPO) will…
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!
Trading countries are
Clients all over the world are
established in
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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A few things we’re great at..
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.
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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.
International Business Coordinator
Partner Lawyers (Asamura Law Offices)
Access
Our office is located at 22nd Floor, at Tennoz Central Tower building, 5 minutes walk from “Tennoz Isle” station(Tokyo monorail or Rinkai LIne).
You can enjoy nice view of airplanes taking-off and landing at Tokyo(Haneda) International Airport.
(1) Taxi (from Tokyo Station/Haneda airport/Shinagawa Station)
JR Tokyo Station 15-25 min ( show this map to your taxi)
Haneda Airport 15-30 min (show this map to your taxi)
JR Shinagawa Station 5-10 min
(2) Tokyo Monorail (from Hamamatsucho station / Haneda airport)
Get off at “Tennozu Isle Station” *) , exit the Central Gate, and walk for 3 minutes along the Skywalk pedestrian bridge. *) please take a Rapid or Local train. “Haneda Express” train does not stop at Tennozu Isle Station. Please go here for the route details from the Tokyo Monorail Tennozu Isle Station to ASAMURA IP P.C..（PDF)
(3) Rinkai Line ( from JR Shinjyuku station/JR Shibuya station etc.)
Get off at “Tennozu Isle Station”, take Exit B, and walk along the Skywalk pedestrian bridge.
Please go here for the route details from the Rinkai Line Tennozu Isle Station to ASAMURA IP P.C..(PDF)
(4) Others
public bus or shuttle bus(free) are available from JR Shinagawa Station.
Please feel free to ask our staff.
ASAMURA IP P.C.
Address: Tennoz Central Tower 22F (reception), 2-2-24
Higashi-Shinagawa, Shinagawa-ku,
Tokyo 140-0002, Japan
Route details from Tennoz Isle station (Monorail/Rinkai Line) are available here.
Phone: +81-3-5715-8651(rep.)
:Email: Inquiry Form