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Logic mill : a knowledge navigation system
Erhardt, Sebastian; Ghosh, Mainak; Buunk, Erik; Rose, … - 2023
Logic Mill is a scalable and openly accessible software system that identifies semantically similar documents within either one domain-specific corpus or multi-domain corpora. It uses advanced Natural Language Processing (NLP) techniques to generate numerical representations of documents....
Persistent link: https://www.econbiz.de/10014495061
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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 …
Persistent link: https://www.econbiz.de/10014458846
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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
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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
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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
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Firm formation and regional spillovers - evidence from Germany
Harhoff, Dietmar - 1995
Persistent link: https://www.econbiz.de/10013428009
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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
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Citation frequency and the value of patented innovation
Harhoff, Dietmar (contributor) - 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/10013428229