There were more than 2.9 million patent applications worldwide in 2015, up 7.8% from 2014.
China’s patent office received 1,101,864 filings in 2015 which represented almost as many applications as the U.S. (589,410), Japan (318,721) and the Republic of Korea (213,694) combined.
China (+18.7%) had the fastest growth, followed by the EPO (+4.8%), the US (+1.8%) and the Republic of Korea (+1.6%).
Computer technology (7.9%) electrical machinery (7.3%) and digital communication (4.9%) represented the highest percentages of worldwide published patent applications.
Source: http://bit.ly/2g6M1FS