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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/10010538432
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PROSPECTS FOR IMPROVING U.S. PATENT QUALITY VIA POST-GRANT OPPOSITION
Hall, Bronwyn H.; Graham, Stuart J.H.; Harhoff, Dietmar; … - 2003
Persistent link: https://www.econbiz.de/10006968693
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Prospects for Improving U.S. Patent Quality via Postgrant Opposition
Hall, Bronwyn H; Graham, Stuart J.H.; Harhoff, Dietmar; … - In: Innovation Policy and the Economy, Volume 4
Persistent link: https://www.econbiz.de/10005073395
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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; … - National Bureau of Economic Research (NBER) - 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/10005830344
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Prospects for Improving U.S. Patent Quality via Post-grant Opposition
Hall, Bronwyn H. - 2003
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/10012468967
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Prospects for Improving U.S. Patent Quality via Post-grant Opposition
Hall, Bronwyn H.; Graham, Stuart J. H.; Harhoff, Dietmar; … - EconWPA - 2004
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/10005561040
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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; … - EconWPA - 2003
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/10005561481
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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
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/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
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/10010538409