Namzaric Patent Expiration

Namzaric is a drug owned by Abbvie Inc. It is protected by 21 US drug patents filed from 2015 to 2016. Out of these, 19 drug patents are active and 2 have expired. Based on its patents and exclusivities, its generic launch date is estimated to be Dec 05, 2029. Details of Namzaric's patents and their expiration are given in the table below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
These drug patents focus on the other aspects of the drug like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US8058291 Methods and compositions for the treatment of CNS-related conditions
Dec, 2029

(4 years from now)

Active
US8039009

(Pediatric)

Modified release formulations of memantine oral dosage forms
Sep, 2029

(4 years from now)

Active
US8039009 Modified release formulations of memantine oral dosage forms
Mar, 2029

(4 years from now)

Active
US8283379

(Pediatric)

Methods and compositions for the treatment of CNS-related conditions
May, 2026

(1 year, 5 months from now)

Active
US8362085

(Pediatric)

Method for administering an NMDA receptor antagonist to a subject
May, 2026

(1 year, 5 months from now)

Active
US8329752

(Pediatric)

Composition for administering an NMDA receptor antagonist to a subject
May, 2026

(1 year, 5 months from now)

Active
US8598233

(Pediatric)

Method for administering an NMDA receptor antagonist to a subject
May, 2026

(1 year, 5 months from now)

Active
US8173708

(Pediatric)

Method and composition for administering an NMDA receptor antagonist to a subject
May, 2026

(1 year, 5 months from now)

Active
US8168209

(Pediatric)

Method and composition for administering an NMDA receptor antagonist to a subject
May, 2026

(1 year, 5 months from now)

Active
US8329752 Composition for administering an NMDA receptor antagonist to a subject
Nov, 2025

(11 months from now)

Active
US8168209 Method and composition for administering an NMDA receptor antagonist to a subject
Nov, 2025

(11 months from now)

Active
US8293794 Methods and compositions for the treatment of CNS-related conditions
Nov, 2025

(11 months from now)

Active
US8173708 Method and composition for administering an NMDA receptor antagonist to a subject
Nov, 2025

(11 months from now)

Active
US8283379 Methods and compositions for the treatment of CNS-related conditions
Nov, 2025

(11 months from now)

Active
US8338486 Methods for the treatment of CNS-related conditions
Nov, 2025

(11 months from now)

Active
US8362085 Method for administering an NMDA receptor antagonist to a subject
Nov, 2025

(11 months from now)

Active
US8580858 Compositions for the treatment of CNS-related conditions
Nov, 2025

(11 months from now)

Active
US8598233 Method for administering an NMDA receptor antagonist to a subject
Nov, 2025

(11 months from now)

Active
US8338485 Compositions for the treatment of CNS-related conditions
Nov, 2025

(11 months from now)

Active
US5061703

(Pediatric)

Adamantane derivatives in the prevention and treatment of cerebral ischemia
Oct, 2015

(9 years ago)

Expired
US5061703 Adamantane derivatives in the prevention and treatment of cerebral ischemia
Apr, 2015

(9 years ago)

Expired


A patent's expiry date may change depending upon legal activities going on that patent. Critical activities like abandoning of a patent, term extension of a patent or amendment of its claims can increase or decrease the life of a patent hence affecting its expiry date and in turn affecting the generic launch date of that drug. Tracking these ongoing activities on a patent application helps to keep an eye on the latest developments in the patent process of the drug which can give an idea of how early a drug's generic could be available. The next section provides a list of recent legal activities on Namzaric's patents.

Given below is the list of recent legal activities going on the following patents of Namzaric.

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 12th Year, Large Entity 13 Jun, 2024 US8362085
Payment of Maintenance Fee, 12th Year, Large Entity 10 May, 2024 US8338486 (Litigated)
Payment of Maintenance Fee, 12th Year, Large Entity 10 May, 2024 US8329752
Payment of Maintenance Fee, 12th Year, Large Entity 10 May, 2024 US8338485 (Litigated)
Payment of Maintenance Fee, 12th Year, Large Entity 14 Mar, 2024 US8283379 (Litigated)
Payment of Maintenance Fee, 12th Year, Large Entity 14 Mar, 2024 US8293794 (Litigated)
Payment of Maintenance Fee, 12th Year, Large Entity 12 Oct, 2023 US8173708
Payment of Maintenance Fee, 12th Year, Large Entity 12 Oct, 2023 US8168209
Payment of Maintenance Fee, 12th Year, Large Entity 12 Apr, 2023 US8058291 (Litigated)
Payment of Maintenance Fee, 12th Year, Large Entity 09 Mar, 2023 US8039009 (Litigated)


While patent expiration is one way of estimating the generic date of a drug, if a patent gets invalidated somehow, the generic of the drug may arrive early. Being aware of all relevant patents can help in avoiding legal pitfalls. Given below are details of the litigation history of Namzaric and ongoing litigations to help you estimate the early arrival of Namzaric generic.

Namzaric's Litigations

Namzaric been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on Dec 18, 2014, against patent number US8362085. The petitioner Ranbaxy, Inc., challenged the validity of this patent, with Adamas Pharmaceuticals, Inc. as the respondent. Click below to track the latest information on how companies are challenging Namzaric's patents.

Last updated on December 17, 2024
Patent Proceeding Filing Date Status Respondent Petitioner
Patent litigations
US8362085 December, 2014 Terminated-Denied
(15 May, 2015)
Adamas Pharmaceuticals, Inc. Ranbaxy, Inc.

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Several oppositions have been filed on Namzaric's European patents. EP oppositions can significantly impact the timeline for the generic launch of drugs. If an opposition results in the revocation or amendment of a patent, it can shorten the exclusivity period of the original drug. This can lead to an earlier entry of generic versions into the market. To help you estimate the potential early arrival of Namzaric's generic, the next section provides detailed information on ongoing and past EP oppositions related to Namzaric patents.

Namzaric's Oppositions Filed in EPO

Namzaric has faced multiple oppositions in the European Patent Office. The earliest opposition was filed on Jun 10, 2011, by Merz Pharma Gmbh & Co. Kgaa. This opposition was filed on patent number EP06749777A. Click below to reveal the latest opposition data.


Application Filing Date Opposition Party Legal Status
Patent litigations
EP05852057A Dec, 2013 Elend, Almut Susanne Revoked
EP06749777A Jun, 2011 Merz Pharma GmbH & Co. KGaA Revoked


US patents provide insights into the exclusivity only within the United States, but Namzaric is protected by patents in multiple countries. Understanding the full scope of patent protection is crucial in strategizing market entry. By looking at the broader patent landscape, you can identify markets with weaker patent protection which could be ideal generic entry points. The following section offers details on Namzaric's family patents as well as insights into ongoing legal events on those patents.

Namzaric's Family Patents

Namzaric has patent protection in a total of 19 countries. It has a significant patent presence in the US with 56.0% of its patents being US patents. 5 countries have all of their patents expired or invalidated which has opened up potential generic launch opportunities in these countries. Click below to unlock the full patent family tree for Namzaric.

Family Patents

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Generic Launch

Generic Release Date:

Namzaric's generic launch date based on the expiry of its last outstanding patent is estimated to be Dec 05, 2029 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)

Namzaric Generic API suppliers:

Donepezil Hydrochloride; Memantine Hydrochloride is the generic name for the brand Namzaric. 2 different companies have already filed for the generic of Namzaric, with Amneal Pharms having the maximum number of approved applications. Check out the entire list of companies who have already received approval for Namzaric's generic

How can I launch a generic of Namzaric before its drug patent expiration? :

You can seek FDA approval to launch a generic drug before the expiration of Namzaric's patents related by providing a 'paragraph IV certification' in your application, which states that the patent submitted by the Namzaric's sponsor is invalid, unenforceable, or will not be infringed by your generic product.

Given below are the details of the already filed Para IV certificates on Namzaric -

Strength Submission Date ANDA(s) Filed First applicant approval Last patent expiry 180 day status
14 mg/10 mg and 28 mg/10 mg 18 May, 2015 1 27 Jan, 2017 05 Dec, 2029 Eligible
21 mg/10 mg 23 Sep, 2016 1 05 Dec, 2029
7 mg/10 mg 26 Sep, 2016 1 05 Dec, 2029 Extinguished





About Namzaric

Namzaric is a drug owned by Abbvie Inc. It is used for managing moderate to severe dementia in Alzheimer's disease. Namzaric uses Donepezil Hydrochloride; Memantine Hydrochloride as an active ingredient. Namzaric was launched by Abbvie in 2016.

Approval Date:

Namzaric was approved by FDA for market use on 18 July, 2016.

Active Ingredient:

Namzaric uses Donepezil Hydrochloride; Memantine Hydrochloride as the active ingredient. Check out other Drugs and Companies using Donepezil Hydrochloride; Memantine Hydrochloride ingredient

Treatment:

Namzaric is used for managing moderate to severe dementia in Alzheimer's disease.

Dosage:

Namzaric is available in capsule, extended release form for oral use. Given below is detailed information on Dosage -

Strength Dosage Form Availability Application Pathway
10MG;28MG CAPSULE, EXTENDED RELEASE Prescription ORAL
10MG;7MG CAPSULE, EXTENDED RELEASE Prescription ORAL
10MG;14MG CAPSULE, EXTENDED RELEASE Prescription ORAL
10MG;21MG CAPSULE, EXTENDED RELEASE Prescription ORAL