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Forced Out of the Closet: The Impact of the American Inventors Protection Act on the Timing of Patent Disclosure

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  • Johnson, Daniel K N
  • Popp, David

Abstract

Beginning in November 2000, patent applications filed in the United States are disclosed after 18 months, rather than when the patent is granted. Using U.S. patent data from 1976 to 1996, we find that major inventions are most likely to be affected, as they take longer to go through the application process. We conclude with evidence that this change will result in faster knowledge diffusion. Copyright 2003 by the RAND Corporation.

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Bibliographic Info

Article provided by The RAND Corporation in its journal RAND Journal of Economics.

Volume (Year): 34 (2003)
Issue (Month): 1 (Spring)
Pages: 96-112

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Handle: RePEc:rje:randje:v:34:y:2003:i:1:p:96-112

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Cited by:
  1. 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.
  2. Josh Lerner & Julie Wulf, 2007. "Innovation and Incentives: Evidence from Corporate R&D," The Review of Economics and Statistics, MIT Press, vol. 89(4), pages 634-644, November.
  3. Aditi Mehta & Marc Rysman & Tim Simcoe, 2006. "Identifying the Age Profile of Patent Citations," Boston University - Department of Economics - Working Papers Series WP2006-022, Boston University - Department of Economics.
  4. Popp, David, 2005. "Lessons from patents: Using patents to measure technological change in environmental models," Ecological Economics, Elsevier, vol. 54(2-3), pages 209-226, August.
  5. David Popp, 2004. "International Innovation and Diffusion of Air Pollution Control Technologies: The Effects of NOX and SO2 Regulation in the US, Japan, and Germany," NBER Working Papers 10643, National Bureau of Economic Research, Inc.
  6. Johannes Liegsalz & Stefan Wagner, 2011. "Patent examination at the State Intellectual Property Office in China," ESMT Research Working Papers ESMT-11-06, ESMT European School of Management and Technology.
  7. Dahlin, Kristina B. & Behrens, Dean M., 2005. "When is an invention really radical?: Defining and measuring technological radicalness," Research Policy, Elsevier, vol. 34(5), pages 717-737, June.
  8. David Popp & Ted Juhl & Daniel K.N. Johnson, 2003. "Time in Purgatory: Determinants of the Grant Lag for U.S. Patent Applications," NBER Working Papers 9518, National Bureau of Economic Research, Inc.
  9. Vanessa OLTRA (GREThA UMR CNRS 5113) & René KEMP (University of Maastrich) & Frans P. de VRIES (University of Stirling), 2009. "Patents as a Measure for Eco-Innovation," Cahiers du GREThA 2009-05, Groupe de Recherche en Economie Théorique et Appliquée.
  10. Barros, Henrique M., 2008. "The Impact of the Distribution of R&D Expenses on Firms’ Motivations to Patent," Ibmec Working Papers wpe_140, Insper Working Paper, Insper Instituto de Ensino e Pesquisa.
  11. Johannes Koenen & Martin Peitz, 2011. "The Economics of Pending Patents," CESifo Working Paper Series 3657, CESifo Group Munich.
  12. Aoki, Reiko & Spiegel, Yossi, 2009. "Pre-grant patent publication and cumulative innovation," International Journal of Industrial Organization, Elsevier, vol. 27(3), pages 333-345, May.
  13. David Popp, 2003. "Lessons from Patents: Using Patents To Measure Technological Change in Environmental Models," NBER Working Papers 9978, National Bureau of Economic Research, Inc.
  14. Shih-tse Lo & Dhanoos Sutthiphisal, 2009. "Does it Matter Who Has the Right to Patent: First-to-invent or First-to-file? Lessons From Canada," NBER Working Papers 14926, National Bureau of Economic Research, Inc.
  15. Daniel Johnson & Kristina Lybecker, 2012. "Does Distance Matter Less Now? The Changing Role of Geography in Biotechnology Innovation," Review of Industrial Organization, Springer, vol. 40(1), pages 21-35, February.

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