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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/10012139072

Patents, freedom to operate, and follow-on innovation : evidence from post-grant opposition

Gäßler, Fabian; Harhoff, Dietmar; Sorg, Stefan; … - 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/10014503038

Filling the gap : the consequences of collaborator loss in corporate R&D

Poege, Felix; Gäßler, 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/10014458846

Citation frequency and the value of patented innovation

Harhoff, Dietmar; Narin, Francis; Scherer, Frederic M.; … - 1997

Through a survey, economic value estimates were obtained on 962 inventions made in the United States and Germany and on 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....

Persistent link: https://www.econbiz.de/10011417779

Innovation effects of universities of applied sciences : an assessment of regional heterogeneity

Schlegel, Tobias; Pfister, Curdin; Harhoff, Dietmar; … - In: The journal of technology transfer 47 (2022) 1, pp. 63-118

Persistent link: https://www.econbiz.de/10012818014

Umweltpolitik und Innovation : grundlegende Begriffe und Zusammenhänge

Hemmelskamp, Jens - 1996

Im Rückgriff auf die Innovationsforschung wird ein Ansatz für eine gemeinsame Sprache und eine konsistente Systematik für Innovationen im Umweltbereich entwickelt. Dazu werden einige allgemeine Begriffsdefinitionen der Innovationsforschung erläutert, der Begriff Umweltinnovation eingeführt...

Persistent link: https://www.econbiz.de/10011621273

Der Einfluß der Umweltpolitik auf das Innovationsverhalten : eine ökonometrische Untersuchung

Hemmelskamp, Jens - 1998

This paper examines the determinants, that influence the environmental innovation behaviour of companies in Germany in … structures of the determinants of environmental innovation, as well as the specific impact of environmental policy instruments as … an integral part of this framework. The pressure of environmental policy instruments on the innovation behaviour of …

Persistent link: https://www.econbiz.de/10011621352

Firm formation and regional spillovers : evidence from Germany

Harhoff, Dietmar - 1995

This paper studies the effect of regional spillovers on the rate of firm formation in two major West German industries for the time period from 1989 to 1993. I exploit regional variations in firm formation at the county level to identify the effects of historically given industry structure and...

Persistent link: https://www.econbiz.de/10011621492

Das Mannheimer Innovationspanel

Harhoff, Dietmar; Licht, Georg - 1993

gleichzeitig die deutsche Teilerhebung der in allen EG-Ländern durchgeführten 'Community Innovation Survey' dar. Der Fragebogen …

Persistent link: https://www.econbiz.de/10011622173

Environmental policy instruments and their effects on innovation

Hemmelskamp, Jens - 1996

The influence of environmental policy on innovative behaviour of companies has so far received little attention in scientific discourse. Based on recent literature, the paper analyses the impact of requirements, levies, permits, liability laws, and the EC-eco- audit regulation with respect to...

Persistent link: https://www.econbiz.de/10011622477