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Lanjouw, J. and Schankerman, Mark 
ORCID: 0009-0006-1071-7672
(2004)
Patent quality and research productivity: measuring innovation with multiple indicators.
The Economic Journal, 114 (495).
pp. 441-465.
ISSN 0013-0133
Schankerman, Mark ORCID: 0009-0006-1071-7672 and Lanjouw, J.
(2001)
Characteristics of patent litigation: a window on competition.
RAND Journal of Economics, 32 (1).
pp. 129-151.
ISSN 0741-6261
