US loss of exclusivity · Other
Trelegy
GSK
2027
US generics from
2025
Today: 2026
2037
2025 worldwide sales
≈$3.9B
Date basis
Patent-expiry estimate
US generics
No US filing found
Medicare price
−73% from 2027
Pharma Patent Cliff
by readouts.io
Data checked 8 October 2026 ·
Full Trelegy timeline →