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The Value of U.S. Patents by Owner and Patent Characteristics

  • James Bessen

    ()

    (Research on Innovation, Boston University School of Law)

This paper uses renewal data to estimate the value of U.S. patents, controlling for patent and owner characteristics. Estimates of U.S. patent value are substantially larger than estimates for European patents, however, the ratio of U.S. patent value to R&D for firms is only about 3%. Patents issued to small patentees are much less valuable than those issued to large corporations, perhaps reflecting imperfect markets for technology. Litigated patents are more valuable, as are highly cited patents. However, patent citations explain little variance in value, suggesting limits to their use as a measure of patent quality.

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File URL: http://www.ssrn.com/abstract=949778
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Paper provided by Research on Innovation in its series Working Papers with number 0603.

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Date of creation: 2006
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Handle: RePEc:roi:wpaper:0603
Contact details of provider: Web page: http://www.researchoninnovation.org

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  1. Deng, Yi, 2005. "A Dynamic Stochastic Analysis of International Patent Application and Renewal Processes," Departmental Working Papers 0515, Southern Methodist University, Department of Economics.
  2. Kortum, Samuel & Lerner, Josh, 1999. "What is behind the recent surge in patenting?1," Research Policy, Elsevier, vol. 28(1), pages 1-22, January.
  3. James Bessen & Robert M. Hunt, 2004. "An empirical look at software patents," Working Papers 03-17, Federal Reserve Bank of Philadelphia.
  4. Marc Baudry & BĂ©atrice Dumont, 2006. "Patent Renewals as Options: Improving the Mechanism for Weeding Out Lousy Patents," Review of Industrial Organization, Springer, vol. 28(1), pages 41-62, 02.
  5. Ashish Arora & Marco Ceccagnoli & Wesley M. Cohen, 2003. "R&D and the Patent Premium," NBER Working Papers 9431, National Bureau of Economic Research, Inc.
  6. Hall, Bronwyn H & Jaffe, Adam B & Trajtenberg, Manuel, 2001. "The NBER Patent Citations Data File: Lessons, Insights and Methodological Tools," CEPR Discussion Papers 3094, C.E.P.R. Discussion Papers.
  7. Ariel Pakes, 1986. "Patents as Options: Some Estimates of the Value of Holding European Patent Stocks," NBER Working Papers 1340, National Bureau of Economic Research, Inc.
  8. Marco, Alan C., 2005. "The option value of patent litigation: Theory and evidence," Review of Financial Economics, Elsevier, vol. 14(3-4), pages 323-351.
  9. Mark Schankerman & Ariel Pakes, 1985. "Estimates of the Value of Patent Rights in European Countries During thePost-1950 Period," NBER Working Papers 1650, National Bureau of Economic Research, Inc.
  10. Manuel Trajtenberg & Rebecca Henderson & Adam Jaffe, 1997. "University Versus Corporate Patents: A Window On The Basicness Of Invention," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 5(1), pages 19-50.
  11. Ariel Pakes & Mark Schankerman, 1984. "The Rate of Obsolescence of Patents, Research Gestation Lags, and the Private Rate of Return to Research Resources," NBER Chapters, in: R&D, Patents, and Productivity, pages 73-88 National Bureau of Economic Research, Inc.
  12. Bessen, James, 2008. "The value of U.S. patents by owner and patent characteristics," Research Policy, Elsevier, vol. 37(5), pages 932-945, June.
  13. James Bessen & Michael J. Meurer, 2007. "The Private Costs of Patent Litigation," Working Papers 0701, Research on Innovation.
  14. Harhoff, Dietmar & Scherer, Frederic M. & Vopel, Katrin, 2003. "Citations, family size, opposition and the value of patent rights," Research Policy, Elsevier, vol. 32(8), pages 1343-1363, September.
  15. Lanjouw, Jean Olson, 1998. "Patent Protection in the Shadow of Infringement: Simulation Estimations of Patent Value," Review of Economic Studies, Wiley Blackwell, vol. 65(4), pages 671-710, October.
  16. Lanjouw, Jean O & Schankerman, Mark, 2004. "Protecting Intellectual Property Rights: Are Small Firms Handicapped?," Journal of Law and Economics, University of Chicago Press, vol. 47(1), pages 45-74, April.
  17. Dietmar Harhoff & Francis Narin & F. M. Scherer & Katrin Vopel, 1999. "Citation Frequency And The Value Of Patented Inventions," The Review of Economics and Statistics, MIT Press, vol. 81(3), pages 511-515, August.
  18. Jean O. Lanjouw & Mark Schankerman, 2004. "Patent Quality and Research Productivity: Measuring Innovation with Multiple Indicators," Economic Journal, Royal Economic Society, vol. 114(495), pages 441-465, 04.
  19. Lanjouw, Jean O & Pakes, Ariel & Putnam, Jonathan, 1998. "How to Count Patents and Value Intellectual Property: The Uses of Patent Renewal and Application Data," Journal of Industrial Economics, Wiley Blackwell, vol. 46(4), pages 405-32, December.
  20. James Bessen, 2006. "Estimates of Firms' Patent Rents from Firm Market Value," Working Papers 0602, Research on Innovation.
  21. James Bessen & Michael J. Meurer, 2005. "The Patent Litigation Explosion," Working Papers 0501, Research on Innovation.
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