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The influence of strategic patenting on companies' patent portfolios

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  • Blind, Knut
  • Cremers, Katrin
  • Mueller, Elisabeth

Abstract

This paper analyses whether strategic motives for patenting influence the characteristics of companies' patent portfolios. We use the number of citations and oppositions to represent these characteristics. The analysis is based on survey data from German companies, which are combined with EPO data covering applications from 1991 to 2000. We find clear evidence that the companies' patenting strategies are related to the characteristics of their patent portfolios. First, companies using patents in the traditional way to protect their technological knowledge base receive a higher number of forward citations for their patents. Second, the motive of offensive - but not of defensive - blocking is related to a higher incidence of oppositions, whereas companies using patents as bartering chips in collaborations receive fewer citations and fewer oppositions to their patents.

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Bibliographic Info

Article provided by Elsevier in its journal Research Policy.

Volume (Year): 38 (2009)
Issue (Month): 2 (March)
Pages: 428-436

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Handle: RePEc:eee:respol:v:38:y:2009:i:2:p:428-436

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Web page: http://www.elsevier.com/locate/respol

Related research

Keywords: Strategic patenting Patent portfolio characteristics;

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References

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  1. 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.
  2. Wesley David Sine & Scott Shane & Dante Di Gregorio, 2003. "The Halo Effect and Technology Licensing: The Influence of Institutional Prestige on the Licensing of University Inventions," Management Science, INFORMS, vol. 49(4), pages 478-496, April.
  3. Harhoff, Dietmar & Reitzig, Markus, 2002. "Determinants of Opposition Against EPO Patent Grants - The Case of Biotechnology and Pharmaceuticals," CEPR Discussion Papers 3645, C.E.P.R. Discussion Papers.
  4. 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.
  5. Michael Noel & Mark Schankerman, 2006. "Strategic Patenting and Software Innovation," STICERD - Economics of Industry Papers 43, Suntory and Toyota International Centres for Economics and Related Disciplines, LSE.
  6. Wesley M. Cohen & Richard R. Nelson & John P. Walsh, 2000. "Protecting Their Intellectual Assets: Appropriability Conditions and Why U.S. Manufacturing Firms Patent (or Not)," NBER Working Papers 7552, National Bureau of Economic Research, Inc.
  7. Carine Peeters & Bruno Van Pottelsberghe, 2006. "Innovation strategy and the patenting behavior of firms," ULB Institutional Repository 2013/9043, ULB -- Universite Libre de Bruxelles.
  8. Eleftherios Sapsalis & Bruno van Pottelsberghe de la Potterie, 2007. "The Institutional Sources Of Knowledge And The Value Of Academic Patents," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 16(2), pages 139-157.
  9. Katrin Hussinger, 2006. "Is Silence Golden? Patents Versus Secrecy At The Firm Level," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 15(8), pages 735-752.
  10. Stuart J. H. Graham & Bronwyn H. Hall & Dietmar Harhoff & David C. Mowery, 2003. "Post-Issue Patent "Quality Control": A Comparative Study of US Patent Re-examinations and European Patent Oppositions," Industrial Organization 0303009, EconWPA.
  11. Bronwyn H. Hall & Adam Jaffe & Manuel Trajtenberg, 2005. "Market Value and Patent Citations," RAND Journal of Economics, The RAND Corporation, vol. 36(1), pages 16-38, Spring.
  12. Varian,Hal R. & Farrell,Joseph & Shapiro,Carl, 2004. "The Economics of Information Technology," Cambridge Books, Cambridge University Press, number 9780521605212, October.
  13. Bronwyn H. Hall & Grid Thoma & Salvatore Torrisi, 2007. "The market value of patents and R&D: Evidence from European firms," NBER Working Papers 13426, National Bureau of Economic Research, Inc.
  14. 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.
  15. Noel, Michael D. & Schankerman, Mark, 2006. "Strategic Patenting and Software Innovation," CEPR Discussion Papers 5701, C.E.P.R. Discussion Papers.
  16. Jaffe, Adam B., 2000. "The U.S. patent system in transition: policy innovation and the innovation process," Research Policy, Elsevier, vol. 29(4-5), pages 531-557, April.
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  18. Shapiro, Carl, 2001. "Antitrust Limits to Patent Settlements," Competition Policy Center, Working Paper Series qt87s5j911, Competition Policy Center, Institute for Business and Economic Research, UC Berkeley.
  19. Blind, Knut & Edler, Jakob & Frietsch, Rainer & Schmoch, Ulrich, 2006. "Motives to patent: Empirical evidence from Germany," Research Policy, Elsevier, vol. 35(5), pages 655-672, June.
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Citations

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Cited by:
  1. Grimpe, Christoph & Hussinger, Katrin, 2014. "Pre-empted patents, infringed patents and firms’ participation in markets for technology," Research Policy, Elsevier, vol. 43(3), pages 543-554.
  2. Holger Graf, 2012. "Inventor networks in emerging key technologies: information technology vs. semiconductors," Journal of Evolutionary Economics, Springer, vol. 22(3), pages 459-480, July.
  3. Barros, Henrique M., 2011. "The Effects of Innovation Partnership, Foreign Ownership and Enhanced Management Practices on the Use of Patents in Brazilian Manufacturing," Insper Working Papers wpe_255, Insper Working Paper, Insper Instituto de Ensino e Pesquisa.
  4. Hottenrott, Hanna & Lopes-Bento, Cindy, 2012. "Quantity or quality? Collaboration strategies in research and development and incentives to patent," ZEW Discussion Papers 12-047, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.
  5. Nicolas van Zeebroeck, 2011. "The puzzle of patent value indicators," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 20(1), pages 33-62.
  6. Caviggioli, Federico & Scellato, Giuseppe & Ughetto, Elisa, 2013. "International patent disputes: Evidence from oppositions at the European Patent Office," Research Policy, Elsevier, vol. 42(9), pages 1634-1646.
  7. Nicole Ziegler & Frauke Ruether & Martin Bader & Oliver Gassmann, 2013. "Creating value through external intellectual property commercialization: a desorptive capacity view," The Journal of Technology Transfer, Springer, vol. 38(6), pages 930-949, December.
  8. Valerio STERZI (GREThA, CNRS, UMR 5113 & KITES, Bocconi University), 2012. "Academic patent value and knowledge transfer in the UK: Does patent ownership matter?," Cahiers du GREThA 2012-07, Groupe de Recherche en Economie Théorique et Appliquée.
  9. 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.

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