Does fragmented or heterogeneous IP ownership stifle investments in innovation?


Schwiebacher, Franz


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URL: https://ub-madoc.bib.uni-mannheim.de/35250
URN: urn:nbn:de:bsz:180-madoc-352509
Document Type: Working paper
Year of publication: 2013
The title of a journal, publication series: ZEW Discussion Papers
Volume: 13-096
Place of publication: Mannheim
Publication language: English
Institution: Sonstige Einrichtungen > ZEW - Leibniz-Zentrum für Europäische Wirtschaftsforschung
MADOC publication series: Veröffentlichungen des ZEW (Leibniz-Zentrum für Europäische Wirtschaftsforschung) > ZEW Discussion Papers
Subject: 330 Economics
Classification: JEL: O31 , O34,
Keywords (English): Investment in innovation , complementary assets , IP hazards
Abstract: Thickets of partially overlapping patent rights raise costs to secure IPR for innovation. Fragmented IP ownership raises coordination costs to resolve mutual blockades. Inadvertent patent infringement poses the risk of fruits from investments to be exploited. A gap in economic commitment levels may be exploited if capital-intensive innovators have more invested application-specifically than inadvertently infringed IPR owners. I study whether fragmentation or heterogeneous capital-intensities among owners of overlapping patents affect propensities to invest in innovation. I find that firms with small patent portfolios are less likely to invest in innovation if IPR is fragmented. Firms with large patent portfolios are less likely to invest in innovation if cited patent owners have smaller stocks of fixed capital. This suggests that effects of patent thickets on innovation are not evenly spread among innovating firms.

Das Dokument wird vom Publikationsserver der Universitätsbibliothek Mannheim bereitgestellt.




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Schwiebacher, Franz (2013) Does fragmented or heterogeneous IP ownership stifle investments in innovation? Open Access ZEW Discussion Papers Mannheim 13-096 [Working paper]
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