Legal status of Japanese patents

Patent office of Japan provides the Legal status information only for applications in or after 1990.Legal status information includes 8 items. If any one of them has any data, a number or a date would be indicated at the relevant part.

Detail of Data items

Data items	Data
Filing info	Application number,Filing date
Publication info	Publication number,Publication date
Detailed info of application	Kind of examiner’s decision, Kind of final decision, Date of final decision in examination stage
Date of request for examination	Date of request for examination
Date of sending the examiner’s decision of rejection	Date of sending the examiner’s decision of rejection
Appeal/trial info	Appeal/trial number,Date of demand for appeal/trial, Result of final decision in appeal/trial stage, Date of final decision in appeal/trial stage
Registration info	Patent number,Registration Date, Date of extinction of right
Renewal date of legal status	Renewal date of legal status