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FirmThis article does not focus on patent thickets, but on the impact of firm-level patent holdings on firm survival after IPOs during the dot.com boom. The key firm-level patentingmeasures considered include:
Thickness of Other measures considered that may indirectly relate to patent families where firm has patentedthickets are: *Average number of USPTO patents held by firms in same patent family size associated with patents where as firms have patentsanalyzed.
Cockburn Wagner (2007) - Patents And The Survival Of Internet Related Ipos (view source)
Revision as of 17:10, 21 March 2013
, 17:10, 21 March 2013no edit summary
===Measures of thicket===
*Number of USPTO patent applications and grants
*Counts of European and Japanese patent applications and grants
*Number of forward citations per claim (counting 7 plus cites).
===Sample===
