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Details for Patent: 7,781,448

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Which drugs does patent 7,781,448 protect, and when does it expire?

Patent 7,781,448 protects SANCTURA XR and is included in one NDA.

This patent has thirteen patent family members in eleven countries.

Summary for Patent: 7,781,448

Title:	Once daily dosage forms of trospium
Abstract:	A pharmaceutical composition of a pharmaceutically acceptable trospium salt, with upon administration to a human patient generates an average steady state blood levels of trospium with a minimum (C.sub.min) and maximum (C.sub.max) blood levels of about 0.5-2.5 ng/ml and about 2.0-6.0 ng/ml, respectively.
Inventor(s):	Kidane; Argaw (Montgomery Village, MD), Flanner; Henry H. (Montgomery Village, MD), Bhatt; Padmanabh (Rockville, MD), Raoufinia; Arash (McLean, VA)
Assignee:	Supernus Pharmaceuticals, Inc. (Rockville, MD)
Application Number:	11/889,962
Patent Claim Types: see list of patent claims	Composition; Dosage form; Formulation; Use;

Drugs Protected by US Patent 7,781,448

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Patent Submitted
Allergan	SANCTURA XR	trospium chloride	CAPSULE, EXTENDED RELEASE;ORAL	022103-001	Aug 3, 2007		DISCN	Yes	No						METHOD OF TREATING BLADDER DSYFUNCTION WITH ONCE A DAY TROSPIUM SALT FORMULATION

Non-Orange Book US Patents Family Members for Patent 7,781,448

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No.	Title	Estimated Patent Expiration
7,781,449	Trospium chloride treatment method
7,410,978	Once daily dosage forms of trospium
7,763,635	Once daily dosage forms of trospium
7,759,359	Method of treating bladder dysfunction with once-a-day trospium salt formulation

International Family Members for US Patent 7,781,448

Country	Document Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	493981
Australia	2004289223
Canada	2537103
Germany	602004030931