Chinese legal status data can now be accessed in the INPADOC legal status database (please check initial newsflash on this topic)
The first batch of data in week 18/2009 comprised of back-file data from 2008. Separate batches of up to 500 000 records will continue to be loaded each week. The estimated schedule set for the completion of the back-file uploads is week 25/2009. The comprehensive collection will include over 6.7 million records and cover all Chinese legal status events for patent and utility model applications in China dating back to October 1985.
The legal status events in the database are linked to the filing number and refer to document types on the following publication levels:
A Laid open application for a patent of invention
B Examined patent application (used until 1993)
C Granted patent for invention (used since 1993)
U Laid open utility model application (used until 1993)
Y Granted utility model (used since 1993)