Polymorphs and Prodrugs and Salts (Oh My!): An Empirical Analysis of “Secondary” Pharmaceutical Patents
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DOI: 10.1371/journal.pone.0049470
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- Adam B. Jaffe & Josh Lerner, 2006.
"Innovation and its Discontents,"
NBER Chapters, in: Innovation Policy and the Economy, Volume 6, pages 27-66,
National Bureau of Economic Research, Inc.
- Jaffe Adam B. & Lerner Josh, 2006. "Innovation and Its Discontents," Capitalism and Society, De Gruyter, vol. 1(3), pages 1-36, December.
- Richard C. Levin & Alvin K. Klevorick & Richard R. Nelson & Sidney G. Winter, 1987. "Appropriating the Returns from Industrial Research and Development," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 18(3, Specia), pages 783-832.
- Carlos Correa, 2007. "Guidelines for the Examination of Pharmaceutical Patents: Developing a Public Health Perspective," Working Papers id:1203, eSocialSciences.
- Hemphill, C. Scott & Sampat, Bhaven N., 2012. "Evergreening, patent challenges, and effective market life in pharmaceuticals," Journal of Health Economics, Elsevier, vol. 31(2), pages 327-339.
- Wesley M. Cohen & Richard R. Nelson & John P. Walsh, 2000.
"Protecting Their Intellectual Assets: Appropriability Conditions and Why U.S. Manufacturing Firms Patent (or Not),"
NBER Working Papers
7552, National Bureau of Economic Research, Inc.
- Wesley M Cohen & Richard R Nelson & John P Walsh, 2003. "Protecting Their Intellectual Assets: Appropriability Conditions and Why U.S. Manufacturing Firms Patent (Or Not)," Levine's Working Paper Archive 618897000000000624, David K. Levine.
- Edwin Mansfield, 1986. "Patents and Innovation: An Empirical Study," Management Science, INFORMS, vol. 32(2), pages 173-181, February.
- C. Scott Hemphill & Bhaven N. Sampat, 2011. "When Do Generics Challenge Drug Patents?," Journal of Empirical Legal Studies, John Wiley & Sons, vol. 8(4), pages 613-649, December.
Citations
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Cited by:
- Luis Gil Abinader, 2020. "Pharmaceutical patent examination outcomes in the Dominican Republic," Journal of International Business Policy, Palgrave Macmillan, vol. 3(4), pages 385-407, December.
- Sampat, Bhaven N. & Shadlen, Kenneth C., 2017.
"Secondary pharmaceutical patenting: A global perspective,"
Research Policy, Elsevier, vol. 46(3), pages 693-707.
- Bhaven N. Sampat & Kenneth C. Shadlen, 2017. "Secondary Pharmaceutical Patenting: A Global Perspective," NBER Working Papers 23114, National Bureau of Economic Research, Inc.
- María José Abud & Bronwyn Hall & Christian Helmers, 2015.
"An Empirical Analysis of Primary and Secondary Pharmaceutical Patents in Chile,"
PLOS ONE, Public Library of Science, vol. 10(4), pages 1-17, April.
- Abud, María José & Hall, Bronwyn & Helmers, Christian, 2015. "An Empirical Analysis of Primary and Secondary Pharmaceutical Patents in Chile," Department of Economics, Working Paper Series qt9tv8s2rw, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
- María José Abud Sittler & Bronwyn Hall & Christian Helmers, 2015. "An Empirical Analysis of Primary and Secondary Pharmaceutical Patents in Chile," NBER Working Papers 20995, National Bureau of Economic Research, Inc.
- Omar Ramon Serrano Oswald & Mira Burri, 2021. "India, Brazil, and public health: Rule‐making through south–south diffusion in the intellectual property rights regime?," Regulation & Governance, John Wiley & Sons, vol. 15(3), pages 616-633, July.
- Durvasula, Maya & Hemphill, C. Scott & Ouellette, Lisa Larrimore & Sampat, Bhaven & Williams, Heidi L., 2023.
"The NBER Orange Book Dataset: A user’s guide,"
Research Policy, Elsevier, vol. 52(7).
- Maya Durvasula & C. Scott Hemphill & Lisa Larrimore Ouellette & Bhaven N. Sampat & Heidi L. Williams, 2022. "The NBER Orange Book Dataset: A User’s Guide," NBER Working Papers 30628, National Bureau of Economic Research, Inc.
- Wagner, Stefan & Sternitzke, Christian & Walter, Sascha, 2022.
"Mapping Markush,"
Research Policy, Elsevier, vol. 51(10).
- Stefan Wagner & Christian Sternitzke & Sascha Walter, 2022. "Mapping Markush," ESMT Research Working Papers ESMT-22-05, ESMT European School of Management and Technology.
- Neil Gandal & Michal Shur-Ofry & Michael Crystal & Royee Shilony, 2021. "Out of sight: patents that have never been cited," Scientometrics, Springer;Akadémiai Kiadó, vol. 126(4), pages 2903-2929, April.
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