You can get all the patent data from the USPTO for free: https://github.com/lettergram/parse-uspto-xml/tree/master https://github.com/lettergram/parse-uspto-xm

You can get all the patent data from the USPTO for free: https://github.com/lettergram/parse-uspto-xml/tree/master https://github.com/lettergram/parse-uspto-xml/tree/master