10 Top-Selling Drugs Coming Off Patent

intro: Ten of the world's top-selling prescription drugs are about to get cheaper. Over the next 17 months, the patents on brand-name medications like the cholesterol-lowering drug Lipitor and the blood thinner Plavix will expire, opening the door for generic versions that could cost up to 80 percent less. Name brand drug costs could also fall because of the new competition. It might be bad news for drug makers, but good news for patients. Here's a look at the 10 blockbuster drugs coming off...Full Story