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Technology Entry in the Presence of Patent Thickets

Bronwyn Hall, Christian Helmers () and Georg von Graevenitz ()

No 60, Working Papers from Queen Mary, University of London, School of Business and Management, Centre for Globalisation Research

Abstract: We analyze the effect of patent thickets on entry into technology areas by firms in the UK. We present a model that describes incentives to enter technology areas characterized by varying technological opportunity, complexity of technology, and the potential for hold?up in patent thickets. We show empirically that our measure of patent thickets is associated with a reduction of first time patenting in a given technology area controlling for the level of technological complexity and opportunity. Technological areas characterized by more technological complexity and opportunity, in contrast, see more entry. Our evidence indicates that patent thickets raise entry costs, which leads to less entry into technologies regardless of a firm?s size.

Keywords: Patenting; Entry; Patent Thickets (search for similar items in EconPapers)
JEL-codes: K11 L20 O31 O34 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-bec, nep-com, nep-ent, nep-ino, nep-ipr, nep-pr~ and nep-tid
Date: 2015-08
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Related works:
Working Paper: Technology entry in the presence of patent thickets (2016) Downloads
Working Paper: Technology Entry in the Presence of Patent Thickets (2015) Downloads
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