Nov 29, 2011
Pfizer's blockbuster cholesterol drug loses patent protection December 1. It could have happened sooner.
Nov 28, 2011
Pfizer's big seller, Lipitor, loses its patent this week. But the drug giant isn't ready to give up all those customers just yet.
May 12, 2011
How does a prescription for Lipitor turn into one for Zyrtec? Or the diabetes drug Avandia get mistaken for the potentially deadly blood thin...