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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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Intellectual property rights and agricultural development: Evidence from a worldwide index of IPRs in agriculture (1961-2018)
Campi, Mercedes; Nuvolari, Alessandro - 2020
This paper revises and updates the Campi-Nuvolari index of intellectual property protection for plant varieties (Campi and Nuvolari, 2015). The new index has been updated and provides yearly scores for the period 1961-2018 for a total number of 104 countries, which have legislation on plant...
Persistent link: https://www.econbiz.de/10012389322
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Intellectual property rights and agricultural development : evidence from a worldwide index of IPRs in agriculture (1961-2018)
Campi, Mercedes; Nuvolari, Alessandro - 2020
This paper revises and updates the Campi-Nuvolari index of intellectual property protection for plant varieties (Campi and Nuvolari, 2015). The new index has been updated and provides yearly scores for the period 1961-2018 for a total number of 104 countries, which have legislation on plant...
Persistent link: https://www.econbiz.de/10012181046
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Knowledge networks from patent data: Methodological issues and research targets.
Breschi, Stefano; Lissoni, Francesco - KITeS, Centre for Knowledge, Internationalization and … - 2004
-personal knowledge flows. Many doubts exist on whether patent citations really reflect the designated inventors’ knowledge of both their … technical fields, and of the other inventors and experts therein: citations, in fact, come mainly from the patent examiners, and …
Persistent link: https://www.econbiz.de/10005087127
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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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Quantity or quality? Knowledge alliances and their effects on patenting
Hottenrott, Hanna; Lopes-Bento, Cindy - 2013
creation alliances lead to more valuable patents as they receive significantly more forward citations per patent. Knowledge …
Persistent link: https://www.econbiz.de/10010327546
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Concordance and complementarity in IP instruments
Grazzi, Marco; Piccardo, Chiara; Vergari, Cecilia - 2019
This work investigates the relationship between proxies of innovation activities, such as patents and trademarks, and firm performance in terms of revenues, growth and profitability. By resorting to the virtual universe of Italian manufacturing firms this work provides a rather complete picture...
Persistent link: https://www.econbiz.de/10012060672
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Patent costs and the value of inventions: Explaining patenting behaviour between England, Ireland and Scotland, 1617-1852
Billington, Stephen D. - 2018
Ascertaining whether patents encourage invention necessitates understanding the incentives inventors respond to. The British patent system prior to its reform in 1852 was cumbersome and expensive. Whether it facilitated or delayed the Industrial Revolution is hotly debated. This paper's...
Persistent link: https://www.econbiz.de/10011905055
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Improving the energy-efficiency of buildings: the impact of environmental policy on technological innovation
Noailly, Joëlle - 2010
This paper investigates the impact of alternative environmental policy instruments on technological innovations aiming to improve energy-efficiency in buildings. The empirical analysis focuses on three main types of policy instruments, namely regulatory energy standards in buildings codes,...
Persistent link: https://www.econbiz.de/10010272409