Amidst talk about patent cooperation amongst the several Offices of the world, a list of countries which have inventors accounting for more than two percent of U.S. filings is led by No. (1) Japan (15 %), followed by South Korea (6 %), Germany (5 %) and China (4 %). 

Details are set forth in the attached table.

ForeignFilingInTheUSAdec29

Regards,
Hal