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The Patent Paradox Revisited: Determinants of Patenting in the US Semiconductor Industry, 1980-94

  • Hall, Bronwyn H.
  • Ham, Rose Marie

This paper examines the patenting behavior of firms in an industry characterized by rapid technological change and cumulative innovation. Recent evidence suggests that semiconductor firms do not rely heavily on patents, despite the strengthening of US patent rights in the early 1980s. Yet the propensity of semiconductor firms to patent has risen dramatically over the past decade. This paper explores this apparent paradox by analyzing the patenting activities of almost 100 US semiconductor firms during 1980-94. The results suggest that stronger patents may have facilitated entry by firms in niche product markets, while spawning patent portfolio races' among capital-intensive firms.

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Paper provided by Department of Economics, Institute for Business and Economic Research, UC Berkeley in its series Department of Economics, Working Paper Series with number qt2nk0w2hz.

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Date of creation: 01 May 1999
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Handle: RePEc:cdl:econwp:qt2nk0w2hz
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  1. Suzanne Scotchmer, 1996. "Protecting Early Innovators: Should Second-Generation Products Be Patentable?," RAND Journal of Economics, The RAND Corporation, vol. 27(2), pages 322-331, Summer.
  2. Jean O. Lanjouw & Mark Schankerman, 1997. "Stylized Facts of Patent Litigation: Value, Scope and Ownership," NBER Working Papers 6297, National Bureau of Economic Research, Inc.
  3. Griliches, Zvi, 1990. "Patent Statistics as Economic Indicators: A Survey," Journal of Economic Literature, American Economic Association, vol. 28(4), pages 1661-1707, December.
  4. Hall, Bronwyn H. & Jaffee, Adam & Trajtenberg, Manuel, 2000. "Market Value and Patent Citations: A First Look," Department of Economics, Working Paper Series qt1rh8k6z2, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
  5. Ariel Pakes & Zvi Griliches, 1980. "Patents and R and D at the Firm Level: A First Look," NBER Working Papers 0561, National Bureau of Economic Research, Inc.
  6. Jean O. Lanjouw & Josh Lerner, 1996. "Preliminary Injunctive Relief: Theory and Evidence from Patent Litigation," NBER Working Papers 5689, National Bureau of Economic Research, Inc.
  7. repec:fth:harver:1473 is not listed on IDEAS
  8. Kortum, Samuel & Lerner, Josh, 1998. "Stronger protection or technological revolution: what is behind the recent surge in patenting?," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 48(1), pages 247-304, June.
  9. Gourieroux, Christian & Monfort, Alain & Trognon, Alain, 1984. "Pseudo Maximum Likelihood Methods: Applications to Poisson Models," Econometrica, Econometric Society, vol. 52(3), pages 701-20, May.
  10. Hausman, Jerry & Hall, Bronwyn H & Griliches, Zvi, 1984. "Econometric Models for Count Data with an Application to the Patents-R&D Relationship," Econometrica, Econometric Society, vol. 52(4), pages 909-38, July.
  11. Ted O'Donoghue & Suzanne Scotchmer & Jacques-François Thisse, 1998. "Patent Breadth, Patent Life, and the Pace of Technological Progress," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 7(1), pages 1-32, 03.
  12. Suzanne Scotchmer & Jerry Green, 1990. "Novelty and Disclosure in Patent Law," RAND Journal of Economics, The RAND Corporation, vol. 21(1), pages 131-146, Spring.
  13. Mazzoleni, Roberto & Nelson, Richard R., 1998. "The benefits and costs of strong patent protection: a contribution to the current debate," Research Policy, Elsevier, vol. 27(3), pages 273-284, July.
  14. Richard Blundell & Rachel Griffith & Frank Windmeijer, 1999. "Individual effects and dynamics in count data models," IFS Working Papers W99/03, Institute for Fiscal Studies.
  15. Richard C. Levin & Alvin K. Klevorick & Richard R. Nelson & Sidney G. Winter, 1987. "Appropriating the Returns from Industrial Research and Development," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 18(3), pages 783-832.
  16. Lerner, Josh, 1995. "Patenting in the Shadow of Competitors," Journal of Law and Economics, University of Chicago Press, vol. 38(2), pages 463-95, October.
  17. Arora, Ashish & Gambardella, Alfonso, 1994. "The changing technology of technological change: general and abstract knowledge and the division of innovative labour," Research Policy, Elsevier, vol. 23(5), pages 523-532, September.
  18. Zvi Griliches & Bronwyn H. Hall & Ariel Pakes, 1988. "R&D, Patents, and Market Value Revisited: Is There Evidence of A SecondTechnological Opportunity Related Factor?," NBER Working Papers 2624, National Bureau of Economic Research, Inc.
  19. Ashish Arora, 1995. "Licensing Tacit Knowledge: Intellectual Property Rights And The Market For Know-How," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 4(1), pages 41-60.
  20. Bronwyn H. Hall & Zvi Griliches & Jerry A. Hausman, 1984. "Patents and R&D: Is There A Lag?," NBER Working Papers 1454, National Bureau of Economic Research, Inc.
  21. Suzanne Scotchmer, 1991. "Standing on the Shoulders of Giants: Cumulative Research and the Patent Law," Journal of Economic Perspectives, American Economic Association, vol. 5(1), pages 29-41, Winter.
  22. Jean Olson Lanjouw, 1994. "Economic Consequences of a Changing Litigation Environment: The Case of Patents," NBER Working Papers 4835, National Bureau of Economic Research, Inc.
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