Patents against imitators: an empirical investigation on French data

Emmanuel Combe and Etienne Pfister
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Emmanuel Combe: Université du Havre et TEAM - Université Paris 1
Etienne Pfister: TEAM-CESSEFI - Université Paris 1

Cahiers de la Maison des Sciences Economiques from Université Panthéon-Sorbonne (Paris 1)

Abstract: This paper is an empirical study of the effectiveness of patents against imitators based on French survey data. We use a multinomial ordered logit and regress patent effectiveness on qualitative and quantitative variables. We find that patent costs are not a significant limitation on patent effectiveness while patent disclosure is. We also find a positive threshold effect for size. Finally, we observe many differences between the determinants of the effectiveness of product and process patents; in particular, the former is more dependant on R&D intensity and first-mover advantage while the latter is more dependent on market share, advertisement intensity and on the presence of an internal department in charge of intellectual property rights

Keywords: Appropriation survey; innovation; patent; imitation (search for similar items in EconPapers)
JEL-codes: C35 L10 L60 O32 O34 (search for similar items in EconPapers)
Pages: 20 pages
Date: 2000-01
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Persistent link: https://EconPapers.repec.org/RePEc:mse:wpsorb:bla00001

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