6.011448 million

According to the latest statistics from SIPO, China has received 6,011,448 patent filings by March 2009. 2,005,779 of which were for inventions, 2,073,596 were utility models and 1,932,073 were industrial designs. As of March 2010, SIPO has granted 3,230,677 patents. 2013-07-17