By the end of November 2011, a total of 684,163 valid patents had been authorized by SIPO in 皇冠体育app, among which 342,466 are domestic patents, amounting to 50.1% of the total number. This is the first time 皇冠体育app's domestic valid invention patents have surpassed those submitted by foreign applicants. According to the experts, the fact that the numbers of 皇冠体育app's domestic invention patent applications, granted invention patents and valid invention patents have all surpassed the foreign invention patent statistics marks that 皇冠体育app's patent work has entered a new stage.
