USPTO Classifications Data

​​USPTO Classifications Data
​​Cooperative patent classification (CPC) data
​​International patent classification (IPC) data
​​United States patent classification (USPC) data
​​United States patent classification (USPC) data (historical)
​​World intellectual patent organization (WIPO) data
​​
​​If you have any issues downloading the data, find any problems with the data, or have suggestions for how to make the data better/more user friendly, please let me know: mwoeppel@iu.edu. 
​​
​​Additional USPTO patent data
​​Abstract, title data can be found here.
​​Assignee data can be found here.
​​Citations data can be found here.
​​Claims data can be found here.
​​Classifications data can be found here.
​​Examiner data can be found here.
​​General info data can be found here.
​​Inventor data can be found here.
​​Maintenance fee data can be found here.
​​
​​Addition citations data 
​​US citations data from Google Patents (1926-1975) can be found here.
​​
​​Patent-CRSP permco match data
​​Patent numbers matched to permco numbers data can be found here.
​​

Created with Dropbox Paper.