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Last Updated: February 18, 2020

DrugPatentWatch Database Preview

Details for Patent: 8,329,752


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Which drugs does patent 8,329,752 protect, and when does it expire?

Patent 8,329,752 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-eight patent family members in eighteen countries.

Summary for Patent: 8,329,752
Title:Composition for administering an NMDA receptor antagonist to a subject
Abstract: The invention provides compostions for administering memantine to a subject. Memantine in an extended release form containing 22.5 to 30 mg memantine or a pharmaceutically acceptable salt 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:13/536,008
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,329,752
Patent Claim Types:
see list of patent claims
Composition; Formulation; Dosage form;

Drugs Protected by US Patent 8,329,752

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

International Family Members for US Patent 8,329,752

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

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