When does the Zocor patent expire?
The patent for Zocor, or simvastatin, expired on June 23, 2006. Zocor is a cholesterol-lowering drug made by pharmaceutical company Merck & Co., Inc. Lipitor, a drug that competes with Zocor, loses its patent in 2011.Source:CNN Money: Zocor and Zoloft Face Patent ExpirationJournal of Generic Medicines: Patent Expires in U.S.