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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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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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Information leakage, imitation, and the patent system
Czarnitzki, Dirk; van Criekingen, Kristof - 2021
From a firm's perspective two competing forces are driving the decision to invest in innovation. On the one hand, innovative performance is an important driver of profitability and growth. On the other hand, investments in innovation suffer from negative externalities, i.e. spillovers to other...
Persistent link: https://www.econbiz.de/10012625069
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Quantity or quality? Collaboration strategies in research and development and incentives to patent
Hottenrott, Hanna; Lopes-Bento, Cindy - 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/10010309806
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Protecting innovation through patents and trade secrets: Determinants and performance impacts for firms with a single innovation
Crass, Dirk; Garcia Valero, Francisco; Pitton, Francesco; … - 2016
This paper tests a number of hypotheses on the use and effectiveness of patents and trade secrets designed to protect innovation. While previous studies have often considered patents and trade secrets as substitutes for one another, we investigate the complementary role of the two protection...
Persistent link: https://www.econbiz.de/10011539589
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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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Technological progress and economic growth: evidence from Poland
Gurgul, Henryk; Lach, Łukasz - Volkswirtschaftliche Fakultät, … - 2012
In this paper the results of testing the causal interdependence between technological progress and GDP in Poland are presented. The results obtained for quarterly data from the period Q1 2000 – Q4 2009 indicate causality running from technological progress to GDP in Poland. In addition,...
Persistent link: https://www.econbiz.de/10011261153
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The Spanish Patent System. Origins, Characteristics and Evolution
Saiz, Patricio - Departamento de Análisis Económico: Teoría … - 2001
The object of this study is to use documentation on patents as a partial technology indicator, and, above all, as an investment indicator in new technologies in order to analyze the formation, evolution and characterization of the Spanish technological system during the 19th and the beginning of...
Persistent link: https://www.econbiz.de/10005243239
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Patenting in the Shadow of Independent Discoveries by Rivals
Zhang, Tianle - Volkswirtschaftliche Fakultät, … - 2009
This paper studies the decision of whether to apply for a patent in a dynamic model in which firms innovate stochastically and independently. In the model, a firm can choose between patenting and maintaining secrecy to protect a successful innovation. I consider a legal environment characterized...
Persistent link: https://www.econbiz.de/10009277871