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Invalid but infringed? : an analysis of Germany’s bifurcated patent litigation system

Cremers, Katrin; Gaessler, Fabian; Harhoff, Dietmar; … - 2014

We analyze the impact of the probabilistic nature of patents on the functioning of Germany’s bifurcated patent litigation system where infringement and validity of a patent are decided independently by different courts. We show that bifurcation creates situations in which a patent is held...

Persistent link: https://www.econbiz.de/10010416329

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

Innovationsanreize in einem strukturellen Oligopolmodell

Harhoff, Dietmar - 1997 - Revidiert: Februar 1997

The paper develops an oligopoly model of innovation and applies it to data from the Mannheim Innovation Panel. The … complexity, etc. are important determinants of overall innovation expenditures, but not for R&D specifically. If legal protection … affect the innovation activity of the firm. Specification tests derived from the theoretical model do not lead to a rejection …

Persistent link: https://www.econbiz.de/10011440888

Citation frequency and the value of patented innovation

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

Persistent link: https://www.econbiz.de/10011440946

Die Evolution der bundesdeutschen Forschungs- und Technologiepolitik : Rückblick und Bestandsaufnahme

Fier, Andreas; Harhoff, Dietmar - 2001

In Deutschland beanspruchen gleich zwei Ressorts, das Bundesministerium für Bildung und Forschung (BMBF) sowie das Bundesministerium für Wirtschaft und Technologie (BMWi) die Zuständigkeit für die deutsche Innovationspolitik. Dieses für den Bund offensichtlich bedeutsame Politikfeld...

Persistent link: https://www.econbiz.de/10011446955

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

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

Firm formation and regional spillovers - evidence from Germany

Harhoff, Dietmar - 1995

Persistent link: https://www.econbiz.de/10013428009

Die Evolution der bundesdeutschen Forschungs- und Technologiepolitik : Rückblick und Bestandsaufnahme

Fier, Andreas - 2001

We consider the development of German federal research and technology (R&T) policies since the 1960s and sketch the evolution of today's highly differentiated and complex set of policy instruments. Advances from economic theory and empirical results are reflected in this evolution, but have not...

Persistent link: https://www.econbiz.de/10014461006