In recent five years, in a bid to make the E-filing service much better and more convenient, so as to provide a strong support for development of Chinese patent examination, SIPO is steadily popularizing and optimizing its E-filing system, and has achieved leapfrog development. For five years, China has achieved rapid growth in E-filing, and the E-filing rate increased from 26 percent, 67.21 percent, 81.88 percent to 86.52 percent in 2010, 2011, 2012 and 2013 respectively. In 2014, there have been 64,170 new users registered in China's E-filing system, 1,103 patent agencies have submitted electronic patent application, 981 of which have E-filing rate of 98 percent. As of end of 2014, there have 190,000 users registered in the E-filing system, with a annual average E-filing rate of 89.62 percent in China.