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Strategic patenting and software innovation

Noel, Michael D. and Schankerman, Mark (2006) Strategic patenting and software innovation. 5701. Centre for Economic Policy Research, London, UK.

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Abstract

Strategic patenting is widely believed to raise the costs of innovating, especially in industries characterised by cumulative innovation. This paper studies the effects of strategic patenting on R&D, patenting and market value in the computer software industry. We focus on two key aspects: patent portfolio size which affects bargaining power in patent disputes, and the fragmentation of patent rights ('patent thickets') which increases the transaction costs of enforcement. We develop a model that incorporates both effects, together with R&D spillovers. Using panel data for the period 1980-99, we find evidence that both strategic patenting and R&D spillovers strongly affect innovation and market value of software firms.

Item Type: Monograph (Discussion Paper)
Official URL: http://www.cepr.org
Additional Information: © 2006 Michael Noel and Mark Schankerman
Library of Congress subject classification: T Technology > T Technology (General)
K Law > K Law (General)
Journal of Economic Literature Classification System: O - Economic Development, Technological Change, and Growth > O3 - Technological Change; Research and Development > O34 - Intellectual Property Rights: National and International Issues
O - Economic Development, Technological Change, and Growth > O3 - Technological Change; Research and Development > O31 - Innovation and Invention: Processes and Incentives
O - Economic Development, Technological Change, and Growth > O3 - Technological Change; Research and Development > O33 - Technological Change: Choices and Consequences; Diffusion Processes
O - Economic Development, Technological Change, and Growth > O3 - Technological Change; Research and Development > O38 - Government Policy
L - Industrial Organization > L4 - Antitrust Issues and Policies > L43 - Legal Monopolies and Regulation or Deregulation
L - Industrial Organization > L8 - Industry Studies: Services > L86 - Information and Internet Services; Computer Software
Sets: Collections > Economists Online
Departments > Economics
Research centres and groups > Suntory and Toyota International Centres for Economics and Related Disciplines (STICERD)
Rights: http://www.lse.ac.uk/library/usingTheLibrary/academicSupport/OA/depositYourResearch.aspx
Identification Number: 5701
Date Deposited: 27 May 2008 10:55
URL: http://eprints.lse.ac.uk/5078/

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