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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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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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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
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Strategic patenting and software innovation
Noel, Michael (contributor); Schankerman, Mark (contributor) - 2006
Persistent link: https://www.econbiz.de/10003356625
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Harnessing success : determinants of university technology licensing performance
Belenzon, Sharon (contributor);  … - 2007
Persistent link: https://www.econbiz.de/10003423940
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Patents and cumulative innovation : causal evidence from the courts
Galasso, Alberto; Schankerman, Mark - 2013
Persistent link: https://www.econbiz.de/10009746526
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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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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