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Applicant behaviour in patent examination request lags

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

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.

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File URL: http://www.sciencedirect.com/science/article/B6V84-4T84JXS-3/2/71dda626a1734ced1fd31b8947404863
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Article provided by Elsevier in its journal Economics Letters.

Volume (Year): 101 (2008)
Issue (Month): 3 (December)
Pages: 243-245

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Handle: RePEc:eee:ecolet:v:101:y:2008:i:3:p:243-245
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  1. Harhoff, Dietmar & Wagner, Stefan, 2006. "Modeling the Duration of Patent Examination at the European Patent Office," Discussion Papers in Business Administration 1256, University of Munich, Munich School of Management.
  2. 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.
  3. Ekaterini Kyriazidou, 1997. "Estimation of a Panel Data Sample Selection Model," Econometrica, Econometric Society, vol. 65(6), pages 1335-1364, November.
  4. 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.
  5. Webster, Elizabeth & Palangkaraya, Alfons & Jensen, Paul H., 2007. "Characteristics of international patent application outcomes," Economics Letters, Elsevier, vol. 95(3), pages 362-368, June.
  6. P. Regibeau & K. Rockett, 2003. "Are More Important Patents Approved More Slowly and Should They Be?," Economics Discussion Papers 556, University of Essex, Department of Economics.
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