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 8, 2018 Coming of Age Day
February 12, 2018 National Foundation Day
March 21, 2018 Vernal Equinox
April 30, 2018 Showa Emperor’s Birthday
May 3-5, 2018 Golden Week Holidays
July 16, 2018 Marine Day
August 11, 2018 Mountain Day
September 17, 2018 Respect for the Aged Day
September 24, 2018 Autumn Equinox
October 8, 2018 Sports Day
November 3, 2018 Culture Day
November 23, 2018 Labor Day
December 23 (observed 12/24), 2018 Emperor’s Birthday
December 29, 2018 – January 4, 2019 New Year’s Holidays