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Time in Purgatory: Determinants of the Grant Lag for U.S. Patent Applications
Johnson, Daniel; Popp, David; Juhl, Ted - National Bureau of Economic Research (NBER) - 2003
The impacts of two recent changes in US patent policy depend on the length of time it takes for an invention to go through the examination process. Concerns over the distributional effects of these changes were expressed during policy debates. We use data on U.S. patent applications and grants...
Persistent link: https://www.econbiz.de/10005830125
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Time In Purgatory: Examining the Grant Lag for U.S. Patent Applications
Popp, David; Juhl, Ted; Johnson, Daniel - In: Topics in Economic Analysis & Policy 4 (2004) 1, pp. 1329-1329
As patent applications increase, and the range of patentable technologies increases, the length of time it takes for an invention to go through the examination process at the U.S. Patent Office has increased. Concerns over the distributional effects of these changes have been expressed during...
Persistent link: https://www.econbiz.de/10005086940
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Time in purgatory : determinants of the grant lag for U.S. patent applications
Popp, David; Juhl, Ted; Johnson, Daniel K. N. - 2003
Persistent link: https://www.econbiz.de/10001739328
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Time in purgatory : examing the grant lag for U.S. patent applications
Popp, David (contributor); Juhl, Ted (contributor);  … - In: Topics in economic analysis & policy 4 (2004) 1
Persistent link: https://www.econbiz.de/10002458315
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TIME IN PURGATORY: DETERMINANTS OF THE GRANT LAG FOR U.S. PATENT APPLICATIONS
Popp, David; Juhl, Ted; Johnson, Daniel K.N. - 2003
Persistent link: https://www.econbiz.de/10006969844
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Time in Purgatory : Determinants of the Grant Lag for U.S. Patent Applications
Popp, David - 2003
The impacts of two recent changes in US patent policy depend on the length of time it takes for an invention to go through the examination process. Concerns over the distributional effects of these changes were expressed during policy debates. We use data on U.S. patent applications and grants...
Persistent link: https://www.econbiz.de/10012469184
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Time in Purgatory : Determinants of the Grant Lag for U.S. Patent Applications
Popp, David; Juhl, Ted; Johnson, Daniel K. N. - 2021
The impacts of two recent changes in US patent policy depend on the length of time it takes for an invention to go through the examination process. Concerns over the distributional effects of these changes were expressed during policy debates. We use data on U.S. patent applications and grants...
Persistent link: https://www.econbiz.de/10013220777