Sanofi-Aventis has suffered a major blow in the USA with the news that a California court has invalidated the patent on its top-selling antithrombotic Lovenox, an announcement which has sent its ...

LONDON, June 5 (Reuters) - Doctors in Europe can continue to use Sanofi-Aventis SA's heparin medicine Lovenox, despite low levels of contamination found in some batches of the product, the European ...

Sanofi-Aventis is suing FDA, claiming the agency acted inconsistently and unlawfully in approving a generic version of its anticoagulant Lovenox. The approval of the generic, developed by Momenta ...