Are Patents Discouraging Innovation?
AbstractThe strengthening of the U.S. patent regime in the early eighties was followed by a sharp increase in patenting but did not change the R&D expenditure significantly in some industries in the U.S. This â€œpatent paradoxâ€ is prominently observed in complex industries, like the semiconductor industry. In this paper I develop a model of invention and product development to examine the effects of a patent regime change on the patenting and R&D decisions of firms in complex industries. Firms in these industries have a greater need to access a large number of ideas to successfully develop an end product. I consider two different environment â€” one without licensing and one with licensing. While a stronger patent regime leads to higher patenting and R&D activities in both environments, the strategic complementarity between patenting and R&D is relatively weaker in the presence of licensing. A stronger patent regime change that creates incentives for firms to increase patenting activity, therefore, may not lead to a similar increase in R&D activity.
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Bibliographic InfoPaper provided by Society for Economic Dynamics in its series 2006 Meeting Papers with number 382.
Date of creation: 03 Dec 2006
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Postal: Society for Economic Dynamics Christian Zimmermann Economic Research Federal Reserve Bank of St. Louis PO Box 442 St. Louis MO 63166-0442 USA
Web page: http://www.EconomicDynamics.org/society.htm
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Patents; patent regime; licensing; complex industries;
Find related papers by JEL classification:
- L00 - Industrial Organization - - General - - - General
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- O34 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital
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