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Applicant behaviour in patent examination request lags

Author

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  • Palangkaraya, Alfons
  • Jensen, Paul H.
  • Webster, Elizabeth

Abstract

One component of the duration of pending patents - why applicants choose to delay the examination process - is modelled. We use a matched sample of 9597 patent applications to examine this issue. Controlling for differences between patent offices, we find evidence that applicants create investment uncertainty by delaying decisions to request patent examination.

Suggested Citation

  • Palangkaraya, Alfons & Jensen, Paul H. & Webster, Elizabeth, 2008. "Applicant behaviour in patent examination request lags," Economics Letters, Elsevier, vol. 101(3), pages 243-245, December.
  • Handle: RePEc:eee:ecolet:v:101:y:2008:i:3:p:243-245
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    References listed on IDEAS

    as
    1. Harhoff, Dietmar & Wagner, Stefan, 2005. "Modelling the duration of patent examination at the European Patent Office," CEPR Discussion Papers 5283, C.E.P.R. Discussion Papers.
    2. R�gibeau, P & Rockett, K, 2003. "Are More Important Patents Approved More Slowly and Should They Be?," Economics Discussion Papers 2850, University of Essex, Department of Economics.
    3. Popp David & Juhl Ted & Johnson Daniel K.N., 2004. "Time In Purgatory: Examining the Grant Lag for U.S. Patent Applications," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 4(1), pages 1-45, November.
    4. Ekaterini Kyriazidou, 1997. "Estimation of a Panel Data Sample Selection Model," Econometrica, Econometric Society, vol. 65(6), pages 1335-1364, November.
    5. Nicolas van Zeebroeck, 2007. "Patents only live twice: a patent survival analysis in Europe," Working Papers CEB 07-028.RS, ULB -- Universite Libre de Bruxelles.
    6. Webster, Elizabeth & Palangkaraya, Alfons & Jensen, Paul H., 2007. "Characteristics of international patent application outcomes," Economics Letters, Elsevier, vol. 95(3), pages 362-368, June.
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    Citations

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    Cited by:

    1. Yutaka Niidome, 2017. "The relation of patent description and examination with validity: an empirical study," Scientometrics, Springer;Akadémiai Kiadó, vol. 111(1), pages 159-183, April.
    2. repec:spr:scient:v:99:y:2014:i:3:d:10.1007_s11192-013-1195-1 is not listed on IDEAS
    3. NAGAOKA Sadao & YAMAUCHI Isamu, 2017. "Information Constraint of the Patent Office and Examination Quality: Evidence from the effects of initiation lags," Discussion papers 17040, Research Institute of Economy, Trade and Industry (RIETI).
    4. Franzoni, Chiara & Scellato, Giuseppe, 2010. "The grace period in international patent law and its effect on the timing of disclosure," Research Policy, Elsevier, vol. 39(2), pages 200-213, March.
    5. Andrew Eckert & Corinne Langinier, 2014. "A Survey Of The Economics Of Patent Systems And Procedures," Journal of Economic Surveys, Wiley Blackwell, vol. 28(5), pages 996-1015, December.
    6. Yamauchi, Isamu & Nagaoka, Sadao, 2015. "Does the outsourcing of prior art search increase the efficiency of patent examination? Evidence from Japan," Research Policy, Elsevier, vol. 44(8), pages 1601-1614.
    7. Gaetan de Rassenfosse & Bruno van Pottelsberghe de la Potterie, 2013. "The Role Of Fees In Patent Systems: Theory And Evidence," Journal of Economic Surveys, Wiley Blackwell, vol. 27(4), pages 696-716, September.
    8. Yamauchi, Isamu & Nagaoka, Sadao, 2015. "An economic analysis of deferred examination system: Evidence from a policy reform in Japan," International Journal of Industrial Organization, Elsevier, vol. 39(C), pages 19-28.
    9. R�gibeau, P & Rockett, K & Mariam, S, 2012. "Patent Pendency, Learning Effects, and Innovation Importance at the US Patent Office," Economics Discussion Papers 2863, University of Essex, Department of Economics.
    10. Yamauchi, Isamu & Nagaoka, Sadao, 2013. "Does the outsourcing of prior art search increase the efficiency of patent examination?," IIR Working Paper 13-12, Institute of Innovation Research, Hitotsubashi University.
    11. Yamauchi, Isamu & Nagaoka, Sadao, 2014. "An Economic Analysis of Deferred Examination System: Evidence from Policy Reforms in Japan," IIR Working Paper 14-05, Institute of Innovation Research, Hitotsubashi University.
    12. Zaby, Alexandra Karin & de Rassenfosse, Gaétan, 2016. "The Economics of Patent Backlog," Annual Conference 2016 (Augsburg): Demographic Change 145673, Verein für Socialpolitik / German Economic Association.

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