The US with 48,596 filings remains the largest user of the PCT system, followed by Japan (38,888), Germany (18,568) and China (16,406). However, the US (-0.7%) and Germany (-0.5%) saw drop in their shares of total filings, while China (+1.5) and Japan (+1.8) each increased their share by more than a percentage point.
India also witnessed a growth of 11% in the year 2011. 1,430 PCT International application were filed through India in the year 2011, as compared to total no. of PCT application 1,286 in the year 2010.
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