Access & Links


KAWABE SHINJUKU-GYOENMAE BLDG. 8F, 4-16-3 Yotsuya Shinjuku-ku Tokyo 160-0004






Ariga International Patent Office is a 7 minute walk from the Tokyo Metro Yotsuya-sanchome Station (Exit #2) or an 8 minute walk from the Tokyo Metro Shinjuku-gyoenmae Station (Exit #2).


Access Map

Useful Links

Patent & IP Resources

Japanese IP Organizations


Foreign IP Organizations


Patent Offices

Translations of Japanese Laws Relating to Intellectual Property*

*While great care and effort has been taken in order to assure that the translations of these laws from Japanese into English are accurate, it is likely that some inconsistencies do exist. Should any disputes arise during prosecution relating to these acts, it has been the established protocol of the JPO to rely on the original Japanese text to resolve such disputes.

Japanese National Holidays

Ariga International Patent Office, as well as the Japan Patent Office (JPO) will be closed in observance of the following Japanese holidays. We will respond to your inquiries and correspondence the following working day.

January 11, 2021 Coming-of-age Day
February 11, 2021 National Foundation Day
February 23, 2021 Emperor’s Birthday
March 20, 2021 Vernal Equinox Day
April 29, 2021 Shōwa Day
May 3, 2021 Constitution Memorial Day
May 4, 2021 Greenery Day
May 5, 2021 Children’s Day
July 19, 2021 Marine Day
August 11, 2021 Mountain Day
September 20, 2021 Respect for the Aged Day
September 23, 2021 Autumnal Equinox Day
October 11, 2021 Sports Day
November 3, 2021 Culture Day
November 23, 2021 Labour Thanksgiving Day