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Bargaining failure and freedom to operate: Re-evaluating the effect of patents on cumulative innovation
Gaessler, Fabian; Harhoff, Dietmar; Sorg, Stefan - 2019
We investigate the causal effect of patent rights on cumulative innovation, using large-scale data that approximate the …
Persistent link: https://www.econbiz.de/10012290351
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The Value of European Patents
Gambardella, Alfonso; Harhoff, Dietmar; Verspagen, Bart - C.E.P.R. Discussion Papers - 2008
This paper employs data from an extensive European survey to produce one of the first systematic assessments of the private economic value of patents. The estimated mean of our patent value distribution is higher than 3 million Euros, the median is about one-tenth, and the mode is around a few...
Persistent link: https://www.econbiz.de/10005792528
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Langfristiges Wachstum durch Forschung und Innovation
Achleitner, Ann-Kristin; Allmendinger, Jutta; Grupp, Hariolf - In: Ifo Schnelldienst 62 (2009) 10, pp. 16-22
Dietmar Harhoff, LMU und Expertenkommission Forschung und Innovation, sieht Handlungsbedarf bei der …
Persistent link: https://www.econbiz.de/10005014207
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What are the channels for technology sourcing? Panel data evidence from German companies
Harhoff, Dietmar; Mueller, Elisabeth; Van Reenen, John - 2012
Innovation processes within corporations increasingly tap into international technology sources, yet little is known … about the relative contribution of different types of innovation channels. We investigate the effectiveness of different …
Persistent link: https://www.econbiz.de/10010308916
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What are the channels for technology sourcing? : panel data evidence from German companies
Harhoff, Dietmar; Müller, Elisabeth; Van Reenen, John - 2012
Innovation processes within corporations increasingly tap into international technology sources, yet little is known … about the relative contribution of different types of innovation channels. We investigate the effectiveness of different …
Persistent link: https://www.econbiz.de/10010443152
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What are the channels for technology sourcing? : panel data evidence from German companies
Harhoff, Dietmar; Müller, Elisabeth; Van Reenen, John - 2012
Innovation processes within corporations increasingly tap into international technology sources, yet little is known … about the relative contribution of different types of innovation channels. We investigate the effectiveness of different …-how. -- technology sourcing ; knowledge spillovers ; productivity ; open innovation …
Persistent link: https://www.econbiz.de/10009538027
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Filling the Gap : The Consequences of Collaborator Loss in Corporate R&D
Poege, Felix; Gaessler, Fabian; Hoisl, Karin; Harhoff, … - 2022
We examine how collaborator loss affects knowledge workers in corporate R&D. We argue that such a loss affects the remaining collaborators not only by reducing their team-specific capital (as argued in the prior literature) but also by increasing their bargaining power over the employer, who is...
Persistent link: https://www.econbiz.de/10014244274
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Patents, freedom to operate, and follow-on innovation: Evidence from post-grant opposition
Gäßler, Fabian; Harhoff, Dietmar; Sorg, Stefan; von … - 2024
We study the blocking effect of patents on follow-on innovation by others. We posit that follow-on innovation requires … freedom to operate (FTO), which firms typically obtain through a license from the patentee holding the original innovation …. Where licensing fails, follow-on innovation is blocked unless firms gain FTO through patent invalidation. Using large …
Persistent link: https://www.econbiz.de/10014517482