Sanofi-Aventis Dealt A Setback
Judge Mariana R. Pfaelzer ruled Thursday that Sanofi-Aventis’ patent for Lovenox was unenforceable because the drug maker intended to deceive the U.S. Patent and Trademark Office during its patent application.
The patent covers mixtures comprising the drug enoxaparin. During its patent application, Sanofi-Aventis needed to...

