We develop a dynamic duopoly model of R&D competition to improve the quality of a finalgood. The innovation process is … production model under two distinct intellectual property right (IPR) regimes,essentially a patent system with and without a … other hand, depends onthe relative magnitudes of the costs of initial innovation and improvements. In particular, aresearch …

Patent trolls appropriate profits from innovation solely by enforcing patents against infringers.They are often … effectively terminate the troll business. Inthis paper, we shed light on this issue by empirically analyzing trolls’ patent …

the capacity of China’s NIS in creating indigenous innovation.We provide insights drawing upon patent data and using … patent families to determine the valueof the underlying invention. For the timeframe we studied, China’s comparative … of patent applications mirror both, the improved protection ofintellectual property rights and increasing capacity for …

1999-2004 and measureinnovation performance by the (value-adjusted) number of patent applications at theEuropean Patent … scientistscontribute substantially more to innovation than R&D workers hired from other firms who, inturn, contribute slightly less to … industrial innovation than recent university graduates. Bycontrast, immobile workers add little to the innovative activity of …

The aim of this paper is to test whether patent-based indicators are still reliable measures of innovativeness in light … already under way respectively at the U.S. Patent and Trademark Office (USPTO) and the European Patent Office (EPO). For most … this purpose, we use a unique data set which collects balance sheet items and patent information from EPO and USPTO. After …

a model with endogenous number of innovatingfirms, we show that whether product patent increases R&D is ambiguous, and … depends onthe type of market demand and the cost of R&D. If the market size increases with numberof firms, product patent … of lower R&D under productpatent. If the market size does not increase with number of firms, product patent …

This paper analyses whether strategic motives for patenting influence the characteristics ofcompanies’ patent … survey and patent data from German companies.We find clear evidence that the companies’ patenting strategies explain the … characteristicsof their patent portfolios... …

foreign patent owners. This paper uses an exogenous event of compulsory licensingafter World War I under the Trading with the …