Pharsight

1. List of Silenor drug patents

Patent Number	Company	Patent Title	Patent Expiry
These patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US10653662	CURRAX	Methods of using low-dose doxepin for the improvement of sleep	May, 2027 (4 years from now)
US9486437	CURRAX	Methods of using low-dose doxepin for the improvement of sleep	May, 2027 (4 years from now)
US9861607	CURRAX	Methods of using low-dose doxepin for the improvement of sleep	May, 2027 (4 years from now)
US10238620	CURRAX	Methods of using low-dose doxepin for the improvement of sleep	May, 2027 (4 years from now)
US10653660	CURRAX	Methods of improving the pharmacokinetics of doxepin	Jul, 2027 (4 years from now)
US11110074	CURRAX	Methods of improving the pharmacokinetics of doxepin	Jul, 2027 (4 years from now)
US9572814	CURRAX	Methods of improving the pharmacokinetics of doxepin	Jul, 2027 (4 years from now)
US7915307	CURRAX	Methods of improving the pharmacokinetics of doxepin	Aug, 2027 (4 years from now)
US11234954	CURRAX	Low-dose doxepin for treatment of sleep disorders in elderly patients	Jan, 2028 (4 years from now)
US9907780	CURRAX	Low-dose doxepin formulations and methods of making and using the same	Apr, 2028 (5 years from now)
US10548871	CURRAX	Low-dose doxepin formulations and methods of making and using the same	Apr, 2028 (5 years from now)
US11096920	CURRAX	Low-dose doxepin formulations and methods of making and using the same	Apr, 2028 (5 years from now)
US9107898	CURRAX	Methods of using low-dose doxepin for the improvement of sleep	May, 2028 (5 years from now)
US9532971	CURRAX	Low-dose doxepin formulations and methods of making and using the same	Jun, 2029 (6 years from now)
US8513299	CURRAX	Methods of using low-dose doxepin for the improvement of sleep	Sep, 2030 (7 years from now)