Abstract:

With the Chinese chestnut industry developed rapidly, the numbers of patents relating chestnut had increased year by year. In view of these patents importance for chestnut research field, the data of national patents relating chestnut in 1986-2010 were calculated by using the statistical method. The results showed: application grew over 15 times in 15 years; 96.84% patent types were invention patent and utility models; the average warrant cycle was 1-4 years; over 50% patents’ protection term had more than 5 or 10 years; 79.13% patents were belong to agriculture, food and light industry; 66.42% patent right were individual; the most of patents centered in the area of Hebei, Zhejiang, Beijing, Shandong and Hubei. It was expected that the invention of chestnut functional food and utilization of chestnut waste were became the hot research area in patent application.