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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 investigation is based on survey and patent data from German companies. We find clear evidence that the companies' patenting strategies explain the characteristics of their patent portfolios. First, companies using patents to protect their technological knowledge base receive a higher number of 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 oppositions to their patents. --

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Bibliographic Info

Paper provided by ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research in its series ZEW Discussion Papers with number 07-013.

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Date of creation: 2007
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Handle: RePEc:zbw:zewdip:5501

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Keywords: strategic patenting; patent portfolio characteristics;

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References

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  1. 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.
  2. Noel, Michael D. & Schankerman, Mark, 2006. "Strategic Patenting and Software Innovation," CEPR Discussion Papers 5701, C.E.P.R. Discussion Papers.
  3. Kortum, Samuel & Lerner, Josh, 1999. "What is behind the recent surge in patenting?1," Research Policy, Elsevier, vol. 28(1), pages 1-22, January.
  4. 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 qt8bs830w9, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
  5. Arundel, Anthony, 2001. "The relative effectiveness of patents and secrecy for appropriation," Research Policy, Elsevier, vol. 30(4), pages 611-624, April.
  6. 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.
  7. 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.
  8. Carine Peeters & Bruno Van Pottelsberghe, 2006. "Innovation strategy and the patenting behavior of firms," ULB Institutional Repository 2013/167553, ULB -- Universite Libre de Bruxelles.
  9. 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.
  10. 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.
  11. 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.
  12. Bruno Van Pottelsberghe & Eleftherios Sapsalis, 2007. "The institutional sources of knowledge and the value of academic patents," ULB Institutional Repository 2013/6195, ULB -- Universite Libre de Bruxelles.
  13. Hussinger, Katrin, 2004. "Is Silence Golden? Patents versus Secrecy at the Firm Level," ZEW Discussion Papers 04-78, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.
  14. 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.
  15. Varian,Hal R. & Farrell,Joseph & Shapiro,Carl, 2004. "The Economics of Information Technology," Cambridge Books, Cambridge University Press, number 9780521605212.
  16. 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.
  17. 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.
  18. 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.
  19. Carine Peeters & Bruno Van Pottelsberghe, 2006. "Innovation strategy and the patenting behavior of firms," ULB Institutional Repository 2013/9043, ULB -- Universite Libre de Bruxelles.
  20. Michael Noel & Mark Schankerman, 2006. "Strategic Patenting and Software Innovation," CEP Discussion Papers dp0740, Centre for Economic Performance, LSE.
  21. 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.
  22. 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.
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Citations

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Cited by:
  1. 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.
  2. Nicolas van Zeebroeck, 2007. "The puzzle of patent value indicators," Working Papers CEB 07-023.RS, ULB -- Universite Libre de Bruxelles.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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.
  8. 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.
  9. LOPES BENTO Cindy & HOTTENROTT Hanna, 2012. "Quantity or Quality? Collaboration Strategies in Research and Development and Incentives to Patent," CEPS/INSTEAD Working Paper Series 2012-29, CEPS/INSTEAD.

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