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Last Updated: March 28, 2024

Details for Patent: 8,039,009


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Which drugs does patent 8,039,009 protect, and when does it expire?

Patent 8,039,009 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 ten patent family members in nine countries.

Summary for Patent: 8,039,009
Title:Modified release formulations of memantine oral dosage forms
Abstract: The present invention provides pharmaceutical compositions given once daily containing at least one therapeutically active ingredient selected from the group consisting of memantine and a pharmaceutically acceptable salt of memantine, and a pharmaceutically acceptable polymeric matrix carrier. The dosage forms of the invention sustain the release of the therapeutically active agent from about 4 to about 24 hours when said dosage form is exposed to aqueous solutions. following entry of said form into a use environment, wherein said dosage form has a dissolution rate of more than about 80% after passage of about 6 hours to about 12 hours following said entry into said use environment.
Inventor(s): Rastogi; Suneel K. (Island Park, NY), Rao; Niranjan (Belle Mead, NJ), Periclou; Antonia (Jersey City, NJ), Abramowitz; Wattanaporn (Hillsborough, NJ), Dedhiya; Mahendra G. (Pomona, NY), Mahashabde; Shashank (Kendall Park, NJ)
Assignee: Forest Laboratories Holdings Limited (BM)
Application Number:11/155,330
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,039,009
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Dosage form;

Drugs Protected by US Patent 8,039,009

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Abbvie NAMENDA XR memantine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 022525-001 Jun 21, 2010 DISCN Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Abbvie NAMENDA XR memantine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 022525-002 Jun 21, 2010 AB RX Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Abbvie NAMENDA XR memantine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 022525-003 Jun 21, 2010 AB RX Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Abbvie NAMENDA XR memantine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 022525-004 Jun 21, 2010 AB RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Abbvie NAMZARIC donepezil hydrochloride; memantine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 206439-003 Jul 18, 2016 RX Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Abbvie NAMZARIC donepezil hydrochloride; memantine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 206439-001 Dec 23, 2014 RX Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Abbvie NAMZARIC donepezil hydrochloride; memantine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 206439-004 Jul 18, 2016 AB RX Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a 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 8,039,009

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2005265031 ⤷  Try a Trial
Brazil PI0512177 ⤷  Try a Trial
Canada 2569015 ⤷  Try a Trial
China 1968684 ⤷  Try a Trial
Eurasian Patent Organization 011446 ⤷  Try a Trial
Eurasian Patent Organization 200700049 ⤷  Try a Trial
European Patent Office 1781261 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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