178
Views
40
CrossRef citations to date
0
Altmetric
Original Articles

The Effect of Technological Impact upon Patent Renewal Decisions

Pages 181-197 | Published online: 25 Aug 2010

  • Schmookler , J. 1962 . 'Comment' . The Rate and Direction of Inventive Activity: NBER Conference Series 13 . 1962 , Princeton. Edited by: Nelson , R. Princeton University Press .
  • Pakes , A. and Simpson , M. 1989 . 'Patent Renewal Data' . Brookings Papers: Microeconomics , : 331 – 410 .
  • Klevorick , A. , Levin , R. , Nelson , R. and Winter , S. 1995 . 'On the Sources and Significance of Interindustry Differences in Technological Opportunities' . Research Policy , 24 : 185 – 205 .
  • Deng , Z. , Lev , B. and Narin , F. 'Science and Technology Indicators as Predictors of Stock Performance' . Financial Analysts Journal , In Press
  • Lanjouw , J. , Pakes , A. and Putnam , J. 1996 . “ 'How to Count Patents and Value Intellectual Property: Uses of Patent Renewal and Application Data' ” . NBER Working Paper 5741
  • Pakes , A. and Schankerman , M. 1984 . “ 'The Rate of Obsolescence of Patents, Research Gestation Lags, and the Private Rate of Return to Research Resources' ” . In R&D Patents and Productivity , Edited by: Griliches , Z. Chicago : University of Chicago Press .
  • Schankerman , M. and Pakes , A. 1986 . 'Estimates of the Value of Patent Rights in European Countries During the Post- 1950 Period' . The Economic Journal , 96 : 1052 – 1076 .
  • Trajtenberg , M. 1990 . 'A Penny for Your Quotes: Patent Citations and the Value of Innovations' . Rand Journal of Economics , 21 : 172 – 187 .
  • Carpenter , M. , Narin , F. and Woolf , P. 1981 . 'Citation Rates to Technologically Important Patents' . World Patent Information , 4 : 160 – 163 .
  • Breitzman , A. and Narin , F. 1996 . 'A Case for Patent Citation Analysis in Litigation' . The Law Works , 3 : 10 – 11 . 26 – 27 .
  • Albert , M. , Avery , D. , McAllister , P. and Narin , F. 1991 . 'Direct Validation of Citation Counts as Indicators of Industrially Important Patents' . Research Policy , 20 : 251 – 259 .
  • Harhoff , D. , Narin , F. , Scherer , F. and Vopel , K. 'Citation Frequency and the Value of Patented Inventions' . The Review of Economics and Statistics , In Press
  • Pakes , A. 1986 . 'Patents as Options: Some Estimates of the Value of Holding European Patent Stocks' . Econometrica , 54 : 755 – 784 .

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.