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Firm size and R&D intensity : a re-examination
Cohen, Wesley M.; Levin, Richard C.; Mowery, David C. - 1987
Persistent link: https://www.econbiz.de/10000717968
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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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The geographic reach of market and non-market channels of technology transfer : comparing citations and licenses of university patents
Mowery, David C.; Ziedonis, Arvids A. - 2001
Persistent link: https://www.econbiz.de/10001621445
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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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Pioneers, submariners, or thicket-builders : which firms use continuations in patenting?
Hedge, Deepak; Mowery, David C.; Graham, Stuart J. H. - 2007
The continuations procedure within the U.S. patent system has been criticized for enabling firms to manipulate the patent review process for strategic purposes. Changes during the 1990s in patent procedures affected the incentives of applicants to exploit the continuations process, and...
Persistent link: https://www.econbiz.de/10003484973