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Quality of Patenting in the UK Scientific Instruments Industry: Database Construction

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  • Gavin C Reid
  • Pamela A Siler
  • Julia A Smith

Abstract

This paper explains how a database of patent quality in the UK scientific instruments industry was constructed for the period 1981-90. A new and detailed decomposition of total patenting activity for the decade is reported upon for over ninety firms in the industry for this decade. This involves constructing patent families by exhaustively tracing all patent activity for the same invention over all patent regimes. The database is analysed in four ways: (i) differences between patenting and non-patenting firms; (ii) concentration and demand fragmentation; (iii) patenting and financial performance in 1986-87; (iv) optimal patenting firm size.

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Bibliographic Info

Paper provided by Centre for Research into Industry, Enterprise, Finance and the Firm in its series CRIEFF Discussion Papers with number 9412.

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Date of creation: Oct 1994
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Handle: RePEc:san:crieff:9412

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Related research

Keywords: patent quality; database; scientific instruments;

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References

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  1. Bosworth, Derek L, 1973. "Changes in the Quality of Inventive Output and Patent Based Indices of Technological Change," Bulletin of Economic Research, Wiley Blackwell, vol. 25(2), pages 95-103, November.
  2. Griliches, Zvi, 1990. "Patent Statistics as Economic Indicators: A Survey," Journal of Economic Literature, American Economic Association, vol. 28(4), pages 1661-1707, December.
  3. Futia, Carl A, 1980. "Schumpeterian Competition," The Quarterly Journal of Economics, MIT Press, vol. 94(4), pages 675-95, June.
  4. Acs, Zoltan J & Audretsch, David B, 1988. "Innovation in Large and Small Firms: An Empirical Analysis," American Economic Review, American Economic Association, vol. 78(4), pages 678-90, September.
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Cited by:
  1. Gavin C. Reid & Vandana Ujjual, 2008. "Firms in Scottish High Technology Clusters: software, life sciences, microelectronics, optoelectronics and digital media – preliminary evidence and analysis on firm size, growth and optimality," CRIEFF Discussion Papers 0804, Centre for Research into Industry, Enterprise, Finance and the Firm.

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