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by Tobor
Thu Oct 25, 2018 3:44 pm
Forum: PATSTAT Product Line
Topic: Gap betweeen US patent counts & DocDB simple family counts
Replies: 2
Views: 1848

Gap betweeen US patent counts & DocDB simple family counts

Dear all, I'm currently concerned with counting the number of annually granted patents in the USA between 1973 and 2013. To do this, I restricted my analysis on patents, the application authority of which is 'US', which are of application kind 'A' (direct filing) and which are granted. In order to c...