Patent licensability and life: A study of U.S. patents registered by South Korean public research institutes

Scientometrics

Volumn 75, Issue 3, 2008, Pages 463-471

  Lee, Yong Gil ^a,b  

^a University of Science and Technology (UST)   (South Korea)

^b Korea Institute of Science and Technology   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 70349375153     PISSN: 01389130     EISSN: None     Source Type: Journal    
DOI: 10.1007/s11192-007-1879-5     Document Type: Article

References (10)

1. BROWN, W. H. (1995), Trends in patent renewals at the United States Patent and Trademark Office, World Patent Information, 17 (4) : 225-234.
2. CARPENTER, M. P., NARIN, F., WOOLF, P. (1981), Citation rates to technologically important patents, World Patent Information, 3 (4): 160-163.
3. COX, D. (1972), Regression models and life tables, Journal of the Royal Statistical Society, Series B, 34 :187-220.
4. COX, D. (1975), Partial likelihood, Biometrika, 62 : 269-276.
5. GUELLEC, D., BRUNO VAN P. DE LA POTTERIE (2000), Applications, grants and the value of patent, Economics Letters, 69 : 109-114.
6. LANJOUW, J. O., PAKES, A., PUTNAM, J. (1998), How to count patents and value intellectual property: The uses of patent renewal and application data, Journal of Industrial Economics, 46 (4): 405-432.
7. LEE, Y.-G:, LEE, J.-D., SONG, Y.-I, LEE, S.-J. (2007), An in-depth empirical analysis of patent citation counts using zero-inflated count data model: The case of KIST, Scientometrics, 70 (1): 27-39.
8. MADDALA, G. S. (1983), Limited-Dependent and Qualitative Variables in Econometrics, Cambridge University Press, Cambridge, United Kingdom.
9. OPPENHEIM, C. (2000), Do patent citations count? In: B. Cronin & H. B. atkins (Eds), The Web of Knowledge: A Festschrift in Honour of Eugene Garfield, Information Today, pp. 405-432.
10. TRAJTENBERG, M. (1990), A penny for your quotes: Patent citations and the value of innovations, RAND Journal of Economics, 20 : 172-187.