How to Count Patents and Value Intellectual Property: The Uses of Patent Renewal and Application Data
| Year of publication: |
1998
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|---|---|
| Authors: | Lanjouw, Jean O. ; Pakes, Ariel ; Putnam, Jonathan |
| Published in: |
The journal of industrial economics. - Oxford : Blackwell, ISSN 0022-1821, ZDB-ID 2181605. - Vol. 46.1998, 4, p. 405-432
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