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来源类型	Working Paper
规范类型	报告
DOI	10.3386/w16983
来源ID	Working Paper 16983
	Did Plant Patents Create the American Rose?
	Petra Moser; Paul W. Rhode
发表日期	2011-04-28
出版年	2011
语种	英语
摘要	The Plant Patent Act of 1930 was the first step towards creating property rights for biological innovation: it introduced patent rights for asexually-propagated plants. This paper uses data on plant patents and registrations of new varieties to examine whether the Act encouraged innovation. Nearly half of all plant patents between 1931 and 1970 were for roses. Large commercial nurseries, which began to build mass hybridization programs in the 1940s, accounted for most of these patents, suggesting that the new intellectual property rights may have helped to encourage the development of a commercial rose breeding industry. Data on registrations of newly-created roses, however, yield no evidence of an increase in innovation: less than 20 percent of new roses were patented, European breeders continued to create most new roses, and there was no increase in the number of new varieties per year after 1931.
主题	Other ; Law and Economics ; History ; Macroeconomic History ; Development and Growth ; Innovation and R& ; D ; Environmental and Resource Economics
URL	https://www.nber.org/papers/w16983
来源智库	National Bureau of Economic Research (United States)
引用统计
资源类型	智库出版物
条目标识符	http://119.78.100.153/handle/2XGU8XDN/574658
推荐引用方式 GB/T 7714	Petra Moser,Paul W. Rhode. Did Plant Patents Create the American Rose?. 2011.

条目包含的文件
文件名称/大小	资源类型	版本类型	开放类型	使用许可
w16983.pdf（454KB）	智库出版物		限制开放	CC BY-NC-SA	浏览