Atorvastatin (Lipitor) Atorvastatin is the second-most widely used statin drug with 21% of the US market. Sold under the brand name Lipitor it was the biggest of the blockbuster drugs of the 21st Century. The patent recently expired and the pharmaceutical industry is in the process of rolling out generic forms. The long-term benefits of atorvastatin have been demonstrated in scientific study after study.