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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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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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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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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? 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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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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Exploring the Tail of Patented Invention Value Distributions
Scherer, Frederic M.; Harhoff, Dietmar; Vopel, Katrin - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 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/10005097700
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Is Silence Golden? Patents versus Secrecy at the Firm Level
Hussinger, Katrin - 2004
In the 1990s, patenting schemes changed in many respects: upcoming new technologies accelerated the shift from price competition towards competition based on technical inventions, a worldwide surge in patenting took place, and the ?patent thicket? arose as a consequence of strategic patenting....
Persistent link: https://www.econbiz.de/10010297402
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Patent collateral and access to debt
Bracht, Felix; Czarnitzki, Dirk - 2022
We investigate how intangible capital in form of intellectual property, such as patents, might mitigate financing constraints. While scholars have already argued that patents might have a signalling value reducing information asymmetries between borrowers and lenders, we quantify the value of...
Persistent link: https://www.econbiz.de/10013348849