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How Valuable is Patent Protection? : Estimates By Technology Field Using Patent Renewal Data

Author: Mark Schankerman; National Bureau of Economic Research.
Publisher: Cambridge, Mass. : National Bureau of Economic Research, 1991.
Series: Working paper series (National Bureau of Economic Research), no. w3780.
Edition/Format:   eBook : Document : EnglishView all editions and formats
Summary:
This paper presents quantitative estimates of the private value of property rights conferred by patent protection for different technology fields and countries of ownership. The measures are derived from parametric estimation of a model of patent renewal, using a new data set on patent renewals in France during the period 1969-1987. The results show that patent protection is a significant, but not the major, source  Read more...
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Genre/Form: Electronic book
Additional Physical Format: Print version:
Schankerman, Mark.
How valuable is patent protection?
Cambridge, MA : National Bureau of Economic Research, [1991]
(OCoLC)2432343
Material Type: Document, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: Mark Schankerman; National Bureau of Economic Research.
OCLC Number: 756570678
Description: 1 online resource.
Series Title: Working paper series (National Bureau of Economic Research), no. w3780.
Responsibility: Mark Schankerman.

Abstract:

This paper presents quantitative estimates of the private value of property rights conferred by patent protection for different technology fields and countries of ownership. The measures are derived from parametric estimation of a model of patent renewal, using a new data set on patent renewals in France during the period 1969-1987. The results show that patent protection is a significant, but not the major, source of private returns to inventive activity and that its importance varies sharply across technology fields. The paper quantifies the equivalent subsidy to R & D generated by the patent system, characterizes variations in the value of patent rights across technology fields, countries of ownership and time, and explores the determinants of those differences.

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