Identity of Revlimid-patent challenger revealed to be Natco: http://www.reuters.com/article/idCNN0326933120100903 #msg-53738423 is a good background read on how CELG intends to maintain Revlimid exclusivity. p.s. Natco is the Indian company that thinks it can make a generic Copaxone for the US market (#msg-29902618, #msg-52598947).