US loss of exclusivity · Oncology
Ibrance
Pfizer
2027
US generics from
2025
Today: 2026
2037
2025 worldwide sales
$4.1B
Date basis
Patent-expiry estimate
US generics
Filed with the FDA
Medicare price
−50% from 2027
Pharma Patent Cliff
by readouts.io
Data checked 24 October 2026 ·
Full Ibrance timeline →