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Details for Patent: 8,362,085

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Which drugs does patent 8,362,085 protect, and when does it expire?

Patent 8,362,085 protects NAMENDA XR and NAMZARIC and is included in two NDAs.

Protection for NAMENDA XR has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has fifty-nine patent family members in nineteen countries.

Summary for Patent: 8,362,085

Title:	Method for administering an NMDA receptor antagonist to a subject
Abstract:	The invention provides methods for administering memantine to a subject. Memantine in an extended release form containing 22.5 to 30 mg memantine or a pharmaceutically acceptable salt is administered to a patient suffering from a neurological condition, such as Alzheimer's disease, Parkinson's disease or dementia. The extended release form achieves particular pharmacokinetic criteria such as change in plasma concentration of memantine over time and ratio of maximum memantine plasma concentration to mean memantine plasma concentration.
Inventor(s):	Went; Gregory T. (Mill Valley, CA), Fultz; Timothy J. (Pleasant Hill, CA), Meyerson; Laurence R. (Las Vegas, NV)
Assignee:	Adamas Pharmaceuticals, Inc. (Emeryville, CA)
Application Number:	13/536,525
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 8,362,085
Patent Claim Types: see list of patent claims	Use; Dosage form;

Drugs Protected by US Patent 8,362,085

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Forest Labs Llc	NAMENDA XR	memantine hydrochloride	CAPSULE, EXTENDED RELEASE;ORAL	022525-001	Jun 21, 2010	AB	RX	Yes	No					Y
Forest Labs Llc	NAMENDA XR	memantine hydrochloride	CAPSULE, EXTENDED RELEASE;ORAL	022525-002	Jun 21, 2010	AB	RX	Yes	No					Y
Forest Labs Llc	NAMENDA XR	memantine hydrochloride	CAPSULE, EXTENDED RELEASE;ORAL	022525-003	Jun 21, 2010	AB	RX	Yes	No					Y
Forest Labs Llc	NAMENDA XR	memantine hydrochloride	CAPSULE, EXTENDED RELEASE;ORAL	022525-004	Jun 21, 2010	AB	RX	Yes	Yes					Y
Allergan	NAMZARIC	donepezil hydrochloride; memantine hydrochloride	CAPSULE, EXTENDED RELEASE;ORAL	206439-003	Jul 18, 2016		RX	Yes	No					Y
Allergan	NAMZARIC	donepezil hydrochloride; memantine hydrochloride	CAPSULE, EXTENDED RELEASE;ORAL	206439-001	Dec 23, 2014		RX	Yes	No					Y

International Family Members for US Patent 8,362,085

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	481096
Australia	2005209310
Australia	2005215767
Australia	2005215775
Australia	2005309601
Australia	2006244297