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Last Updated: November 26, 2020

DrugPatentWatch Database Preview

Details for Patent: 8,168,209

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Which drugs does patent 8,168,209 protect, and when does it expire?

Patent 8,168,209 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: 8,168,209
Title:Method and composition for administering an NMDA receptor antagonist to a subject
Abstract: The invention provides methods and compositions for administering an NMDA receptor antagonist (e.g., memantine) to a subject.
Inventor(s): Went; Gregory T. (Mill Valley, CA), Fultz; Timothy J. (Pleasant Hill, CA), Porter; Seth (San Carlos, CA), Meyerson; Laurence R. (Las Vegas, NV), Burkoth; Timothy S. (San Francisco, CA)
Assignee: Adamas Pharmaceuticals, Inc. (Emeryville, CA)
Application Number:12/512,701
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,168,209
Patent Claim Types:
see list of patent claims
Composition; Formulation; Dosage form;

Drugs Protected by US Patent 8,168,209

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
Allergan NAMZARIC donepezil hydrochloride; memantine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 206439-004 Jul 18, 2016 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 8,168,209

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
Brazil PI0518483   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

Dow
Express Scripts
Baxter
Boehringer Ingelheim
Moodys
Merck

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