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Secrecy in the Shadow of Patenting: Firms Use of Continuation Patents, 1975-1994

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  • Stuart J Graham

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Paper provided by David K. Levine in its series Levine's Working Paper Archive with number 228400000000000035.

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Date of creation: 19 Aug 2004
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Handle: RePEc:cla:levarc:228400000000000035

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  1. Bronwyn H. Hall & Adam Jaffe & Manuel Trajtenberg, 2002. "Market Value and Patent Citations: A First Look," Development and Comp Systems 0201001, EconWPA.
  2. David D. Friedman & William M. Landes & Richard A. Posner, 1991. "Some Economics of Trade Secret Law," Journal of Economic Perspectives, American Economic Association, vol. 5(1), pages 61-72, Winter.
  3. 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.
  4. Hall, Bronwyn H & Jaffe, Adam B & Trajtenberg, Manuel, 2001. "The NBER Patent Citations Data File: Lessons, Insights and Methodological Tools," CEPR Discussion Papers 3094, C.E.P.R. Discussion Papers.
  5. Julia Porter Liebeskind & Amalya Lumerman Oliver & Lynne G. Zucker & Marilynn B. Brewer, 1995. "Social Networks, Learning, and Flexibility: Sourcing Scientific Knowledge in New Biotechnology Firms," NBER Working Papers 5320, National Bureau of Economic Research, Inc.
  6. Comanor, William S, 1986. "The Political Economy of the Pharmaceutical Industry," Journal of Economic Literature, American Economic Association, vol. 24(3), pages 1178-1217, September.
  7. 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.
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