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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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  • Stuart J Graham, 2004. "Secrecy in the Shadow of Patenting: Firms Use of Continuation Patents, 1975-1994," Levine's Working Paper Archive 228400000000000035, David K. Levine.
    • Handle: RePEc:cla:levarc:228400000000000035
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    1. Julia Porter Liebeskind & Amalya Lumerman Oliver & Lynne Zucker & Marilynn Brewer, 1996. "Social networks, Learning, and Flexibility: Sourcing Scientific Knowledge in New Biotechnology Firms," Organization Science, INFORMS, vol. 7(4), pages 428-443, August.
    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. Bronwyn H. Hall & Adam B. Jaffe & Manuel Trajtenberg, 2000. "Market Value and Patent Citations: A First Look," NBER Working Papers 7741, National Bureau of Economic Research, Inc.
    4. Carl Shapiro, 2001. "Navigating the Patent Thicket: Cross Licenses, Patent Pools, and Standard Setting," NBER Chapters, in: Innovation Policy and the Economy, Volume 1, pages 119-150, National Bureau of Economic Research, Inc.
    5. Bronwyn H. Hall & Adam B. Jaffe & Manuel Trajtenberg, 2001. "The NBER Patent Citation Data File: Lessons, Insights and Methodological Tools," NBER Working Papers 8498, National Bureau of Economic Research, Inc.
    6. 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.
    7. 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.
    8. 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.
    9. 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.
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