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Determinants of opposition against EPO patent grants - the case of biotechnology and pharmaceuticals
Harhoff, Dietmar - 2002
Persistent link: https://www.econbiz.de/10013424211
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The private values of 'thickets'and 'fences' : towards an updated picture of the use of patents across industries
Reitzig, Markus - In: Economics of innovation and new technology 13 (2004) 5, pp. 457-476
Persistent link: https://www.econbiz.de/10002001531
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Lending relationships in Germany : empirical evidence from survey data
Harhoff, Dietmar; Körting, Timm - 1998
Persistent link: https://www.econbiz.de/10000680892
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Can post-grant reviews improve patent system design? : a twin study of US and European patents
Graham, Stuart J. H.; Harhoff, Dietmar - 2006
Persistent link: https://www.econbiz.de/10003330744
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The economic value of patent portfolios
Gambardella, Alfonso; Harhoff, Dietmar; Verspagen, Bart - 2013
Persistent link: https://www.econbiz.de/10009713962
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Modelling the duration of patent examination at the European Patent Office
Harhoff, Dietmar; Wagner, Stefan - 2005
Persistent link: https://www.econbiz.de/10003224865