Until recently, the drug maker Pfizer enjoyed a monopoly of the cholesterol-control drug Lipitor because of patent rights.

Name: Until recently, the drug maker Pfizer enjoyed a monopoly of the cholesterol-control drug Lipitor because of patent rights.
Brand: Quizplus
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Quizplus · Accepted Answer

Pfizer held the patent rights for Lipitor, which prevented competition in the market. However, the patent expired in 2011, allowing other companies to produce generic versions of the drug.

Until Recently, the Drug Maker Pfizer Enjoyed a Monopoly of the Cholesterol-Control