研究国家创新的必备数据——美国专利局panel data

这个数据美国专利商标局免费提供啊，还有好多别的数据，很全的

给其中一个链接，有需要大家看看吧
http://www.uspto.gov/web/offices/ac/ido/oeip/taf/appl_yr.htm

介绍：
Number of Utility Patent Applications Filed in the United States By Country of Origin, Calendar Years 1965 to Present :
This report consists of a series of tables that show the yearly number of utility patent applications filed at the U.S. Patent and Trademark Office since 1965. Application counts are separated by country of origin based on the residence of the first-named inventor (updated annually)

merci.

merci.

mark

还没买，想请问数据包不包括专利的领域呢

这是各国在美国申请的专利数，不是各国专利数，这是不同的概念，浪费论坛币了

假资料，勿买