Incidence and growth of patent thickets : the impact of technological opportunities and complexity / Georg von Graevenitz, Stefan Wagner and Dietmar Harhoff.
Material type:![Continuing resource](/opac-tmpl/lib/famfamfam/SE.png)
- CEPR 233
Holdings: CEPR. Discussion paper series. IEC ; v. 233/9.
Incluye bibliografía.
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