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 14, 2019 Coming of Age Day
February 11, 2019 National Foundation Day
March 21, 2019 Vernal Equinox
April 29, 2019 Showa Emperor’s Birthday
May 3 & 6, 2019 Golden Week Holidays
July 15, 2019 Marine Day
August 12, 2019 Mountain Day
September 16, 2019 Respect for the Aged Day
September 23, 2019 Autumn Equinox
October 14, 2019 Sports Day
November 4, 2019 Culture Day
November 23, 2019 Labor Day
December 23 (observed 12/24), 2019 Emperor’s Birthday
December 29, 2019 – January 4, 2020 New Year’s Holidays