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Incidence and growth of patent thickets : the impact of technological opportunities and complexity
Graevenitz, Georg von; Wagner, Stefan; Harhoff, Dietmar - 2008
Persistent link: https://www.econbiz.de/10003741038
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Languages, fees and the international scope of patenting
Harhoff, Dietmar; Hoisl, Karin; Van Pottelsberghe de la … - 2009
Persistent link: https://www.econbiz.de/10003836076
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The value of European patents
Gambardella, Alfonso; Harhoff, Dietmar; Verspagen, Bart - 2008
Persistent link: https://www.econbiz.de/10003728653
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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
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Conflict resolution, public goods and patent thickets
Harhoff, Dietmar; Graevenitz, Georg von; Wagner, Stefan - 2013
Persistent link: https://www.econbiz.de/10009759759
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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