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Measuring innovation using patent data
Svensson, Roger - 2015
patents; however, most patent databases contain no information on whether patents have been commercialized, i.e., whether … commercialization variables. For this purpose, I use a unique database on Swedish patents that includes information on whether patents …
Persistent link: https://www.econbiz.de/10010502667
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The scientific output of a database on commercialized patents
Svensson, Roger - 2020
The purpose of this study is to present a unique database on commercialized patents and to illustrate how it can be … used to analyze the commercialization process of patents. The dataset is based on a survey of Swedish patents owned by … commercialization not found anywhere else, including whether, when and how (acquisition, licensing, existing or new firm) patents were …
Persistent link: https://www.econbiz.de/10012259861
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Quantity or quality? Collaboration strategies in research and development and incentives to patent
Hottenrott, Hanna; Lopes-Bento, Cindy - 2012
patenting, our results further suggest that knowledge creation alliances lead to patents that are filed to protect valuable …
Persistent link: https://www.econbiz.de/10010309806
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Borders and distance in knowledge spillovers : dying over time or dying with age? ; evidence from patent citations
Li, Yao - 2009
This paper uses a gravity framework to investigate the effects of distance as well as subnational and national borders in knowledge spillovers. Drawing on the NBER Patent Citations Database, we examine patent citations data at metropolitan level within the U.S. and the 38 largest patent-cited...
Persistent link: https://www.econbiz.de/10003833339
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How to measure patent thickets : a novel approach
Graevenitz, Georg von; Wagner, Stefan; Harhoff, Dietmar - 2009
The existing literature identifies patent thickets indirectly. In this paper we propose a novel measure based on patent citations which allows us to measure the density of patent thickets directly. We discuss the algorithm which generates the measure and present descriptive results validating...
Persistent link: https://www.econbiz.de/10003922557
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Quantity or quality? : collaboration strategies in research and development and incentives to patent
Hottenrott, Hanna; Lopes-Bento, Cindy - 2012
patenting, our results further suggest that knowledge creation alliances lead to patents that are filed to protect valuable …&D Collaboration ; Knowledge Exchange ; Patents ; Innovation ; Count Data Models …
Persistent link: https://www.econbiz.de/10009572477
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Standards as a knowledge source for R&D : a first look at their incidence and impacts based on the inventor survey and patent bibliographic data
Tsukada, Naotoshi; Nagaoka, Sadao - 2011
performance of downstream R&D. Using both the RIETI inventor survey in Japan and the bibliographic information of triadic patents … of the patents citing standard documents has been increasing. The citation information in US patent documents can be … knowledge flow. The R&D projects intensively using standard information tend to generate valuable patents and also a large …
Persistent link: https://www.econbiz.de/10009154053
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“Wacky” patents meet economic indicators
Czarnitzki, Dirk; Hussinger, Katrin; Schneider, Cédric - 2011
This study investigates whether standard patent measures for the importance and basicness of patents are able to … distinguish between “wacky” patents and a control group of randomly drawn patents. Our findings show that forward citations are … good predictors of importance. However, the “wacky” patents have higher originality, generality and average citation lags …
Persistent link: https://www.econbiz.de/10009159863
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Citation frequency and the value of patented innovation
Harhoff, Dietmar; Narin, Francis; Scherer, Frederic M.; … - 1997
which German patent renewal fees were paid to full-term expiration in 1995. A search of subsequent U.S. and German patents … yielded a count of citations to those patents. Patents renewed to full term were significantly more valuable than patents …
Persistent link: https://www.econbiz.de/10011440946
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Corporate science in the patent system : an analysis of the semiconductor technology
Della Malva, Antonio; Hussinger, Katrin - 2010
publications as a means to preempt patents works. With focus on the semiconductor technology our results show that scientific … corporate publications threaten the novelty of patent applications if combined with other pieces of prior art like patents … operate ; patents ; semiconductor …
Persistent link: https://www.econbiz.de/10008759943