POST-ISSUE PATENT "QUALITY CONTROL": - A COMPARATIVE STUDY OF US PATENT RE-EXAMINATIONS AND EUROPEAN PATENT OPPOSITIONS
| Year of publication: |
2002
|
|---|---|
| Authors: | Graham, Stuart J.H. ; Hall, Bronwyn H. ; Harhoff, Dietmar ; Mowery, David C. |
| Published in: |
Working paper / National Bureau of Economic Research, Inc. - Cambridge, Mass, ISSN 0898-2937, ZDB-ID 12239057. - 2002, 8807
|