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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; … - 2002
Persistent link: https://www.econbiz.de/10001652116
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Prospects for improving US patent quality via post-grant opposition
Hall, Bronwyn H.; Graham, Stuart J. H.; Harhoff, Dietmar; … - 2003
Persistent link: https://www.econbiz.de/10002117264
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Prospects for improving US patent quality via post-grant opposition
Hall, Bronwyn H.; Graham, Stuart J. H.; Harhoff, Dietmar; … - 2003
Persistent link: https://www.econbiz.de/10001761684
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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. - 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/10012469908
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Prospects for improving US patent quality via postgrant opposition
Hall, Bronwyn H.; Graham, Stuart; Harhoff, Dietmar; … - In: Innovation policy and the economy 4 (2004), pp. 115-143
Persistent link: https://www.econbiz.de/10002017305
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Post-issue patent 'quality control' : a comparative study of US patent re-examinations and European patent oppositions
Graham, Erik J. H.; Hall, Bronwyn H.; Harhoff, Dietmar; … - 2002
Persistent link: https://www.econbiz.de/10001744252
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Prospects for Improving U.S. Patent Quality Via Post-Grant Opposition
Hall, Bronwyn H.; Graham, Stuart J.H; Harhoff, Dietmar; … - 2021
The recent surge in U.S. patenting and expansion of patentable subject matter has increased patent office backlogs and raised concerns that in some cases patents of insufficient quality or with inadequate search of prior art are being issued. At the same time patent litigation and its costs are...
Persistent link: https://www.econbiz.de/10013217190
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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; … - 2021
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/10013218303
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Submarines and technological innovation : US continuation patenting in software and biotechnology technologies in the 1980s and 1990s
Graham, Stuart J. H.; Mowery, David C. - In: Intellectual property and entrepreneurship, (pp. 71-101). 2004
Persistent link: https://www.econbiz.de/10002101650
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Submarines in software? : Continuations in US software patenting in the 1980s and 1990s
Graham, Stuart J. H.; Mowery, David C. - In: Economics of innovation and new technology 13 (2004) 5, pp. 443-456
Persistent link: https://www.econbiz.de/10002001528