Riz International Patent Office
A patent office that approaches matters from the perspective of invention and law—identifying the essence of an invention, designing the rights needed, and putting them into practice through specialist patent work.
Organizations
Two specialties, one brand
A patent office that approaches matters from the perspective of invention and law—identifying the essence of an invention, designing the rights needed, and putting them into practice through specialist patent work.
A company that approaches matters from the perspective of business and enterprise—working with clients to decide what to protect, what to prioritize and how far to go, then supporting IP decisions and execution.
Contract
After hearing about your matter, we clearly explain which organization—Riz Intellectual Property Management Co., Ltd. or Riz International Patent Office—will be the contracting party for the support provided.
Confidentiality
We treat consultation details as confidential. Riz International Patent Office handles such information under the statutory confidentiality obligations applicable to patent attorneys in Japan. Riz Intellectual Property Management Co., Ltd. also handles technical, business and other non-public information appropriately from the consultation stage and can enter into a non-disclosure agreement (NDA) where appropriate.
You do not need to decide which organization to contact before speaking with us.
Contact usAccess
For visits and in-person meetings,Chiyoda Platform Square (Main Building)is our visitor location.
3-21 Kanda-Nishikicho, Chiyoda-ku, Tokyo 101-0054, JapanVISITOR DESTINATION
ROUTE
Please contact us in advance of your visit.
JAPAN PATENT OFFICE
Main Building→ Takebashi Station→ Tozai Line→ Nihombashi StationTransfer→ Ginza Line→ Toranomon Station→ Japan Patent Office
Taxi travel times vary depending on traffic conditions.
BY CAR
For navigation, set your destination to “Chiyoda Platform Square Main Building, 3-21 Kanda-Nishikicho, Chiyoda-ku, Tokyo.”
There is no permanent visitor parking. Please use the paid coin parking area on the north side of the Main Building (2 spaces) or another paid parking facility nearby.
FROM TOKYO STATION
Travel time varies depending on traffic conditions.