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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

The battle for patent rights

Harhoff, Dietmar - In: Economic and management perspectives on intellectual …, (pp. 21-39). 2006

Persistent link: https://www.econbiz.de/10003377548

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

Die Gründungsdynamik in technologieorientierten Industrien : eine Analyse der IAB-Beschäftigtenstatistik

Nerlinger, Eric A. - 1995

During the last years more and more discussions came up about the contribution of technology-oriented and technology-intensive industries for the economic development and employment. One reason for these contradictory evaluations of technology-intensive industries can be attributed to different...

Persistent link: https://www.econbiz.de/10011620522

Regionale Verteilung technologieorientierter Unternehmensgründungen

Nerlinger, Eric A.; Berger, Georg - 1995

During the last years more and more discussions came up about the contribution of technology-oriented and technology-intensive industries for the economic development and employment. This paper examines the foundation dynamic and the regional clustering of various technology-oriented sectors in...

Persistent link: https://www.econbiz.de/10011620601

Appropriability, opportunity, firm size and innovation activities : empirical results using East and West German firm level data

Felder, Johannes; Licht, Georg; Nerlinger, Eric A.; … - 1995

of the hypotheses raised in this literature. It employs the data of the first wave of the Mannheim Innovation Panel …&D we also used the concept of total innovation expenditures to capture the importance of non R& D innovation activities … which are especially important for small firms. (3) We give reliable estimates on the occurrence of R&D and innovation …

Persistent link: https://www.econbiz.de/10011620820

Technologieorientierte Industrien und Unternehmen : alternative Definitionen

Nerlinger, Eric A.; Berger, Georg - 1995

During the last years more and more discussions came up about the contribution of technology-oriented and technology-intensive industries for employment and economic development. One reason for some of the contradictory evaluations of technology-intensive industries can be attributed to...

Persistent link: https://www.econbiz.de/10011621371

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