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The market value of blocking patent citations
Czarnitzki, Dirk; Hussinger, Katrin; Leten, Bart - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2011
shown that patents and their quality as measured by citations received by future patents contribute significantly to the … forward citations patents can receive at the European Patent Office. While a patent can be cited as non-infringing state of … the art, it can also be cited because it threatens the novelty of patent applications ('blocking citations'). Empirical …
Persistent link: https://www.econbiz.de/10009003575
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The market value of blocking patent citations
Czarnitzki, Dirk; Hussinger, Katrin; Leten, Bart - 2011
shown that patents and their quality as measured by citations received by future patents contribute significantly to the … forward citations patents can receive at the European Patent Office. While a patent can be cited as non-infringing state of … the art, it can also be cited because it threatens the novelty of patent applications ('blocking citations'). Empirical …
Persistent link: https://www.econbiz.de/10010304459
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Industry-science connections in agriculture: Do public science collaborations and knowledge flows contribute to firm-level agricultural research productivity?
Toole, Andrew A.; King, John L. - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2011
science through citations and collaborations on scientific papers. Fixed effects models show that greater citations and …
Persistent link: https://www.econbiz.de/10009369494
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Industry-science connections in agriculture: Do public science collaborations and knowledge flows contribute to firm-level agricultural research productivity?
Toole, Andrew A.; King, John L. - 2011
science through citations and collaborations on scientific papers. Fixed effects models show that greater citations and …
Persistent link: https://www.econbiz.de/10010307182
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R&D partnerships and innovation performance: Can there be too much of a good thing?
Hottenrott, Hanna; Lopes-Bento, Cindy - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2014
R&D collaboration facilitates pooling of complementary skills, learning from the partner as well as sharing risks and costs. Research therefore repeatedly stressed the positive relationship between collaborative R&D and innovation performance. Fewer studies addressed potential drawbacks of...
Persistent link: https://www.econbiz.de/10011097460
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Innovation strategies of German firms: The effect of competition and intellectual property protection
Slivko, Olga - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2012
This article analyzes how the perceived effectiveness of intellectual property protection and competitive pressure affect firms' innovation strategy choices, concretely, whether to abstain from innovation, to introduce products that are known in the market but new to the firm (imitation) or to...
Persistent link: https://www.econbiz.de/10010957641
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Quantity or quality? Collaboration strategies in research and development and incentives to patent
Hottenrott, Hanna; Lopes-Bento, Cindy - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2012
more forward citations per patent indicating that joint R&D enhances patent quality. In light of literature on strategic … intellectual property, while exchange alliances drive portfolio patenting, resulting in fewer forward citations. …
Persistent link: https://www.econbiz.de/10010957658
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Complementary assets, patent thickets and hold-up threats: Do transaction costs undermine investments in innovation?
Schwiebacher, Franz - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2012
Innovation is commercialization of technology. Imperfections in markets for technology should leave marks on physical investments for innovation. Two types of transaction costs could affect innovative investments: royality stacking and hold-up threats. Backward references in firm's patent...
Persistent link: https://www.econbiz.de/10010957663
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The strategic use of fuzziness in patent specifications
Zaby, Alexandra K.; Heger, Diana - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2013
Innovators seek to protect their intellectual assets by patenting them, at the same time trying to avoid any disclosure of critical knowledge. Given that a patent specification has to include a clear description of the patented matter so that anybody skilled in the art is enabled to reproduce...
Persistent link: https://www.econbiz.de/10010957700
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Does fragmented or heterogeneous IP ownership stifle investments in innovation?
Schwiebacher, Franz - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2013
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...
Persistent link: https://www.econbiz.de/10010957725