Minimising Country Biases in Patent Value Statistics: a Closer Look at Forward Citations
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Messinis, George and Nielsen, Jason (2010) Minimising Country Biases in Patent Value Statistics: a Closer Look at Forward Citations. In: The Pacific Rim Innovation Conference , 21-22 January, 2010, Melbourne Law School, The University of Melbourne, Carlton, Vic.. (Unpublished)
Abstract
The use of patent statistics to map innovative performance and technological progress of industries and nations has expanded rapidly in recent years. It is now established that triadic patents, as published by the OECD, minimize home bias effects seen in patent counts for international comparisons. However, biases in qualitative patent indicators have been largely neglected. We account for this by examining the effect of home bias, self citations, and the speed of knowledge flows on forward patent citations for drug patents published by the USPTO for the period 1980-2008. The analysis shows that when we adjust for citations from non-triadic patents the home bias in citations diminishes. The results also suggest that self citations and the age distribution of citations are important factors in explaining some of the cross-country differences in pharmaceutical citations.
| Additional Information | Conference organized by the Intellectual Property Research Institute of Australia |
| Item type | Conference or Workshop Item (Paper) |
| URI | https://vuir.vu.edu.au/id/eprint/9883 |
| Subjects | Historical > Faculty/School/Research Centre/Department > Centre for Strategic Economic Studies (CSES) Historical > FOR Classification > 1402 Applied Economics Historical > SEO Classification > 970114 Expanding Knowledge in Economics |
| Keywords | ResPubID20952, patent citations, patent value, market value, technology, patents, IPRIA |
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