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Patents vs Trade Secrets: Knowledge Licensing and Spillover

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Author Info
Sudipto Bhattacharya () (London School of Economics and CEPR)
Sergei Guriev () (New Economic School/CEFIR and CEPR)

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Abstract

We develop a model of two-stage cumulative research and development (R&D), in which one Research Unit (RU) with an innovative idea bargains to license her nonverifiable interim knowledge exclusively to one of two competing Development Units (DUs) via one of two alternative modes: an Open sale after patenting this knowledge, or a Closed sale in which precluding further disclosure to a competing DU requires the RU to hold a stake in the licensed DU’s post-invention revenues. Both modes lead to partial leakage of RU’s knowledge from its description, to the licensed DU alone in a closed sale, and to both DUs in an open sale. The open sale is socially optimal; yet the contracting parties choose the closed sale whenever the interim knowledge is more valuable and leakage is sufficiently high. If the extent of leakage is lower, more RUs choose open sales, generating a non-monotonic relationship between the strength of Intellectual Property Rights (IPR) and aggregate R&D expenditures and the overall likelihood of development by either DU.

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Publisher Info
Paper provided by Center for Economic and Financial Research (CEFIR) in its series Working Papers with number w0064.

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Length: 40 pages
Date of creation: Feb 2004
Date of revision: Feb 2006
Publication status: Forthcoming in The Journal of European Economic Association
Handle: RePEc:cfr:cefirw:w0064

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Find related papers by JEL classification:
D23 - Microeconomics - - Production and Organizations - - - Organizational Behavior; Transaction Costs; Property Rights
O32 - Economic Development, Technological Change, and Growth - - Technological Change - - - Management of Technological Innovation and R&D
O34 - Economic Development, Technological Change, and Growth - - Technological Change - - - Intellectual Property Rights

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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    Other versions:
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  13. Sudipto Bhattacharya & Sergei Guriev, 2004. "Knowledge Disclosure, Patents and Optimal Organization of Research and Development," STICERD - Theoretical Economics Paper Series /2004/478, Suntory and Toyota International Centres for Economics and Related Disciplines, LSE. [Downloadable!]
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Bhattacharya, Sudipto & Guriev, Sergei, 2008. "Control Rights over Intellectual Property: Corporate Venturing and Bankruptcy Regimes," CEPR Discussion Papers 6927, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
    Other versions:
  2. Baker, Scott & Lee, Pak Yee & Mezzetti, Claudio, 2008. "Intellectual Property Disclosure as 'Threat'," The Warwick Economics Research Paper Series (TWERPS) 881, University of Warwick, Department of Economics. [Downloadable!]
    Other versions:
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