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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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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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Innovationsanreize in einem strukturellen Oligopolmodell
Harhoff, Dietmar - 1997
In diesem Beitrag wird ein Oligopolmodell der Innovationsaktivität entwickelt und mit Daten aus dem Mannheimer Innovationspanel geschätzt. Das Modell erlaubt es, bei der empirischen Umsetzung auf die Verwendung von Marktanteilsdaten und Nachfrageelastizitäten zu verzichten, die typischerweise...
Persistent link: https://www.econbiz.de/10010297557
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Exploring the Tail of Patented Invention Value Distributions
Scherer, Frederic M.; Harhoff, Dietmar; Vopel, Katrin - 1997
We explore the tail of patented invention value distributions by using value estimates obtained directly from patent holders. The paper focuses on those full-term German patents of the application year 1977 which were held by West German and U.S. residents. The most valuable patents in our data...
Persistent link: https://www.econbiz.de/10010297567
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An empirical assessment of co-activity among German professors
Czarnitzki, Dirk; Glänzel, Wolfgang; Hussinger, Katrin - 2006
The growing importance of technology relevant non-publication output of university research has come into the focus of policy-makers? interest. A fierce debate arose on possible negative consequences of the increasing commercialization of science, as it may come along with a reduction in...
Persistent link: https://www.econbiz.de/10010297851
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Heterogeneity of Patenting Activity and Its Implications for Scientific Research
Czarnitzki, Dirk; Glänzel, Wolfgang; Hussinger, Katrin - 2007
The increasing commercialization of university discoveries has initiated a controversy on the impacts for future scientific research. It has been argued that an increasing orientation towards commercialization may have a negative impact on more fundamental research efforts in science. Several...
Persistent link: https://www.econbiz.de/10010297907
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Commercializing Academic Research: The Quality of Faculty Patenting
Schneider, Cédric; Hussinger, Katrin; Czarnitzki, Dirk - 2008
involvement in patenting results in greater knowledge externalities, as academic patents appear to generate more forward citations …
Persistent link: https://www.econbiz.de/10010298080
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Patent Thickets, Licensing and Innovative Performance
Müller, Elisabeth; MacGarvie, Megan J.; Cockburn, Iain M. - 2008
We examine the relationship between fragmented intellectual property (IP) rights and innovative performance, taking into consideration the role played by in-licensing of IP. Controlling for a variety of firm and market characteristics, we find that firms facing more fragmented IP landscapes are...
Persistent link: https://www.econbiz.de/10010298682
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The nexus between science and industry: evidence from faculty inventions
Czarnitzki, Dirk; Hussinger, Katrin; Schneider, Cédric - 2009
a higher short-term value in terms of forward citations and a higher potential to block property rights of competitors …
Persistent link: https://www.econbiz.de/10010298799
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Why challenge the ivory tower? New evidence on the basicness of academic patents
Czarnitzki, Dirk; Hussinger, Katrin; Schneider, Cédric - 2009
oppositions are the most important mechanism by which the validity of patents filed at the EPO can be challenged. Controlling for …
Persistent link: https://www.econbiz.de/10010298800