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Citations, family size, opposition and the value of patent rights

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  • Harhoff, Dietmar
  • Scherer, Frederic M.
  • Vopel, Katrin

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  • 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.
    • Handle: RePEc:eee:respol:v:32:y:2003:i:8:p:1343-1363
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    References listed on IDEAS

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    1. Graham, Stuart J. H. & Hall, Bronwyn H. & Harhoff, Dietmar & Mowery, David C., 2002. "Post-Issue Patent "Quality Control": A Comparative Study of US Patent Re-Examinations and European Patent Oppositions," Department of Economics, Working Paper Series qt2qt097bd, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
    2. repec:fth:harver:1473 is not listed on IDEAS
    3. Suzanne Scotchmer, 1996. "Protecting Early Innovators: Should Second-Generation Products Be Patentable?," RAND Journal of Economics, The RAND Corporation, vol. 27(2), pages 322-331, Summer.
    4. Schankerman, Mark & Pakes, Ariel, 1986. "Estimates of the Value of Patent Rights in European Countries during the Post-1950 Period," Economic Journal, Royal Economic Society, vol. 96(384), pages 1052-1076, December.
    5. Jean O. Lanjouw & Mark Schankerman, 1997. "Stylized Facts of Patent Litigation: Value, Scope and Ownership," NBER Working Papers 6297, National Bureau of Economic Research, Inc.
    6. Jacques Michel & Bernd Bettels, 2001. "Patent citation analysis.A closer look at the basic input data from patent search reports," Scientometrics, Springer;Akadémiai Kiadó, vol. 51(1), pages 185-201, April.
    7. Bronwyn H. Hall & Adam B. Jaffe & Manuel Trajtenberg, 2000. "Market Value and Patent Citations: A First Look," NBER Working Papers 7741, National Bureau of Economic Research, Inc.
    8. 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.
    9. Jean O. Lanjouw & Ariel Pakes & Jonathan Putnam, 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 405-432, December.
    10. 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.
    11. Narin, Francis & Hamilton, Kimberly S. & Olivastro, Dominic, 1997. "The increasing linkage between U.S. technology and public science," Research Policy, Elsevier, vol. 26(3), pages 317-330, October.
    12. F. M. Scherer & Dietmar Harhoff & J, rg Kukies, 2000. "Uncertainty and the size distribution of rewards from innovation," Journal of Evolutionary Economics, Springer, vol. 10(1), pages 175-200.
    13. Zvi Griliches, 1998. "Patent Statistics as Economic Indicators: A Survey," NBER Chapters, in: R&D and Productivity: The Econometric Evidence, pages 287-343, National Bureau of Economic Research, Inc.
    14. 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 405-432, December.
    15. Pakes, Ariel S, 1986. "Patents as Options: Some Estimates of the Value of Holding European Patent Stocks," Econometrica, Econometric Society, vol. 54(4), pages 755-784, July.
    16. Harhoff, Dietmar & Reitzig, Markus, 2004. "Determinants of opposition against EPO patent grants--the case of biotechnology and pharmaceuticals," International Journal of Industrial Organization, Elsevier, vol. 22(4), pages 443-480, April.
    17. Joshua Lerner, 1994. "The Importance of Patent Scope: An Empirical Analysis," RAND Journal of Economics, The RAND Corporation, vol. 25(2), pages 319-333, Summer.
    18. Jean Olson Lanjouw, 1998. "Patent Protection in the Shadow of Infringement: Simulation Estimations of Patent Value," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 65(4), pages 671-710.
    19. Adam B. Jaffe & Manuel Trajtenberg, 1996. "Flows of Knowledge from Universities and Federal Labs: Modeling the Flowof Patent Citations Over Time and Across Institutional and Geographic Boundari," NBER Working Papers 5712, National Bureau of Economic Research, Inc.
    20. Suzanne Scotchmer, 1991. "Standing on the Shoulders of Giants: Cumulative Research and the Patent Law," Journal of Economic Perspectives, American Economic Association, vol. 5(1), pages 29-41, Winter.
    Full references (including those not matched with items on IDEAS)

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