TY  - BOOK
AU  - Khader, Feroz Ali
TI  - The touchstone effect: the impact of pre-grant opposition on patents
SN  - 9788180385544
U1  - 346.0486 KHA 
PY  - 2009///
CY  - Nagpur
PB  - LexisNexis Butterworths Wadhwa
N1  - Includes bibliographical references
ER  -