The publication scheduled for March 2022 is scheduled for April 9th to 10th.
The publication scheduled for January 2022 is scheduled for February 11th to 13th. This is because the data update work was delayed due to the specification change of the Japanese publication. From next month onwards, we plan to update on the first weekend of the month as usual.
We will exhibit at the "2021 Patent Information Fair & Conference" to be held at the Science Museum in Kitanomaru Park, Tokyo from February 2nd to 4th, 2022. Please come to our booth. Pre-registration for visits is from " here ".
CPC classifications for US patent covered
We will update the international publication data for April next time.
Temporary maintenance is scheduled for March 18 (Wed) from 23:30 to 25:00.
We covered international publication (WO) until October 2019.
The usage fees have been revised due to the increase in the consumption tax rate and various server costs. We will continue to make improvements with the aim of providing reasonable service.
For our system maintenance, we will schedule the end of January to include the Japanese patent publication issued on December 26th and the Japanese publication published on December 27th. We apologize for any inconvenience caused.
Patent family, pdf inquiry etc functions are restored. Please contact us if there is a problem.
We can not currently use the patent family, pdf inquiry function. The cause is due to usage restrictions due to excessive use of external EPO service. We are currently dealing. We are sorry for the inconvenience.
We updated the patent classification database. You can search by patent classification according to PMGS (Patent Map Guidance System) 9th edition of August 2017.
Maintenance is scheduled for New Year's holidays. The data update for December 2017 is scheduled for January 15, 2018. We apologize for any inconvenience, thank you for your understanding.
1. User can refer to the documents by the application number in "Query number" search. 2. Representative drawings of Japanese patents can now be displayed. The prosecution information of Japanese patents can be obtained from a fixed link to JPlatPat.
During the 2017/4/3 06:00-2017/4/6 13:00, the download function can not be used by database maintenance. Please note.
We have increased server facilities. Along with this enhancement, patent search and analysis speed has improved.
During the 2017/3/5 19:00-2017/3/6 06:00, the download function can not be used by database maintenance. Please note.
During the 2017/3/3 19:00-2017/3/4 13:00, the download function can not be used by database maintenance. Please note.
During the 2017/2/4-2017/2/5, the download function can not be used by database maintenance. Please note.
We provide Patent Database to games of patent search 2011 sponsored by INPIT.
We launched a free patent search service called the "Patent Library", which allows every user to easily retrieve for patents of 39 countries around the world. This service can be used freely by anyone.