All About Drugs

Roche’s breast cancer drug patent partly annulled by Indian government
Patents granted to pharmaceutical giant Roche Holding for the breast cancer drug Herceptin (trastuzumab) have been partially voided by the Indian government.

read all at

http://www.pharmaceutical-technology.com/news/newsroches-breast-cancer-drug-patent-partly-annulled-by-indian-government?WT.mc_id=DN_News

and

http://newdrugapprovals.wordpress.com/2013/02/23/fda-approves-kadcyla-ado-trastuzumab-emtansine-a-new-therapy-for-patients-with-her2-positive-late-stage-metastatic-breast-cancer/