Lipitor (atorvastatin) is a widely used medication for the treatment of high cholesterol and heart disease. According to the sources provided, there is no specific information regarding the duration of Lipitor price match. However, these sources provide some useful information about Lipitor.

Lipitor is a brand-name medication that was first approved by the FDA in 1996 [1]. The patent for Lipitor expired in 2011, which allowed other pharmaceutical companies to start producing generic versions of the drug [2]. This increased competition has led to lower prices for atorvastatin, the generic version of Lipitor [3].

As of 2021, Lipitor is still available as a brand-name medication, but it is also available as a generic. The price of both the brand-name and generic versions of Lipitor may vary depending on factors such as location, insurance coverage, and pharmacy discounts. Patients can check with their local pharmacies to compare prices and find the best deal.

In conclusion, there is no specific information about the duration of Lipitor price match. However, the availability of generic atorvastatin has led to increased competition and lower prices for Lipitor. Patients can check with their local pharmacies to compare prices and find the best deal.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://reference.medscape.com/drug/lipitor-atorvaliq-atorvastatin-342446
[3] https://www.ncbi.nlm.nih.gov/books/NBK430779/