Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood. According to the sources provided, the maximum recommended Lipitor dosage varies depending on the patient's condition and other factors.

Drugs.com [1] states that the maximum recommended dose of Lipitor for adults is 80 mg once daily. However, the recommended starting dose is usually 10-20 mg once daily, with the dosage gradually increased as needed. The maximum recommended dose for children is 20 mg once daily.

Medscape [2] notes that the maximum dose of Lipitor for patients with primary hypercholesterolemia or mixed dyslipidemia is 80 mg once daily. However, the dose should be individualized based on the patient's response to treatment and other factors, such as age, gender, and concomitant medications.

Drugpatentwatch [3] does not provide information on the maximum recommended Lipitor dosage. However, it notes that the patent for Lipitor expired in 2011, and generic versions of the medication are now available.

In conclusion, the maximum recommended Lipitor dosage varies depending on the patient's condition and other factors. The recommended starting dose is usually 10-20 mg once daily, with the dosage gradually increased as needed. The maximum recommended dose for adults is 80 mg once daily, while the maximum recommended dose for children is 20 mg once daily.

Sources:
[1] https://www.drugs.com/dosage/lipitor.html
[2] https://reference.medscape.com/drug/lipitor-atorvaliq-atorvastatin-342446
[3] https://www.drugpatentwatch.com/p/tradename/LIPITOR