Galasso, Alberto <br/><br/>
Patents and cumulative innovation :  Causal evidence from the courts / 
Alberto Galasso and Mark Schankerman 
 - Cambridge  NBER  2014 
 - 77p 
 - NBER Working Paper ;  20269 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>NBERWP 20269<br/>E12121.pdf