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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
This paper assesses the impact of adopting a post-grant review institution in the US patent system by comparing the 'opposition careers' of European Patent Office (EPO) equivalents of litigated US patents to those of a control group of EPO patents. We demonstrate several novel methods of...
Persistent link: https://www.econbiz.de/10010366523
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Separating patent wheat from chaff : would the US benefit from adopting patent post-grant review?
Graham, Stuart J. H.; Harhoff, Dietmar - In: Research policy : policy, management and economic … 43 (2014) 9, pp. 1649-1659
Persistent link: https://www.econbiz.de/10010491976
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Post-Issue Patent "Quality Control": A Comparative Study of US Patent Re-examinations and European Patent Oppositions
Graham, Stuart J. H.; Hall, Bronwyn H.; Harhoff, Dietmar; … - Institute of Business and Economic Research (IBER), … - 2002
We report the results of the first comparative study of the determinants and effects of patent oppositions in Europe and of re-examinations on corresponding patents issued in the United States. The analysis is based on a dataset consisting of matched EPO and US patents. Our analysis focuses on...
Persistent link: https://www.econbiz.de/10010537966
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Prospects for Improving U.S. Patent Quality via Post-grant Opposition
Hall, Bronwyn H.; Graham, Stuart J. H.; Harhoff, Dietmar; … - Institute of Business and Economic Research (IBER), … - 2003
. At the same time patent litigation and its costs are rising. This paper explores the potential of a post-grant review … subsequent litigation. We argue that the welfare gains to such a system may be substantial. …
Persistent link: https://www.econbiz.de/10010537991
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Prospects for Improving U.S. Patent Quality via Post-grant Opposition
Hall, Bronwyn H.; Graham, Stuart J. H.; Harhoff, Dietmar; … - Institute of Business and Economic Research (IBER), … - 2003
. At the same time patent litigation and its costs are rising. This paper explores the potential of a post-grant review … subsequent litigation. We argue that the welfare gains to such a system may be substantial. …
Persistent link: https://www.econbiz.de/10010538409
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Post-Issue Patent "Quality Control": A Comparative Study of US Patent Re-Examinations and European Patent Oppositions
Graham, Stuart J. H.; Hall, Bronwyn H.; Harhoff, Dietmar; … - Institute of Business and Economic Research (IBER), … - 2002
Persistent link: https://www.econbiz.de/10010677916