Patent 11,090,294. Patent expiration dates: November 29, 2030. . Patent use: MAINTENANCE TREATMENT OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD) COMPRISING THE ONCE PER DAY ADMINISTRATION OF TRELEGY ELLIPTA, 100 MCG FLUTICASONE FUROATE/62.5 MCG UMECLIDINIUM/25 MCG VILANTEROL. Patent 7,439,393. More @Wikipedia
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