Momenta Pharmaceuticals Obtains Preliminary Injunction Against Amphastar Pharmaceuticals, Inc., Watson Pharmaceuticals, Inc. and International Medical Systems, Ltd.

Momenta Pharmaceuticals, Inc.

, a biotechnology company specializing in the characterization and engineering of complex drugs, today announced that the United States District Court for the District of Massachusetts today entered an order enjoining Amphastar Pharmaceuticals, Inc., Watson Pharmaceuticals, Inc. and International Medical Systems, Ltd. from offering to sell or selling their generic Lovenox™ before the District Court renders a decision in the on-going litigation relating to the U.S. Patent No. 7,575,886. No trial date has been set.