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Serving leading biopharmaceutical companies globally:

Medtronic
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Healthtrust
Harvard Business School
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Chubb
Julphar
Colorcon
QuintilesIMS
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Generated: December 16, 2017

DrugPatentWatch Database Preview

Details for Patent: 8,293,794

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Which drugs does patent 8,293,794 protect, and when does it expire?


Patent 8,293,794 protects NAMZARIC and is included in one NDA. There have been three Paragraph IV challenges on Namzaric.

This patent has fifty-seven patent family members in eighteen countries.

Summary for Patent: 8,293,794

Title:Methods and compositions for the treatment of CNS-related conditions
Abstract: The present invention provides novel methods and compositions for the treatment and prevention of CNS-related conditions. One of the CNS-related conditions treated by the methods and compositions of the invention is Alzheimer's disease.
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:12/753,769
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Formulation;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Forest Labs LlcNAMZARICdonepezil hydrochloride; memantine hydrochlorideCAPSULE, EXTENDED RELEASE;ORAL206439-003Jul 18, 2016RXYesNo► Subscribe► SubscribeY► Subscribe
Forest Labs LlcNAMZARICdonepezil hydrochloride; memantine hydrochlorideCAPSULE, EXTENDED RELEASE;ORAL206439-001Dec 23, 2014ABRXYesNo► Subscribe► SubscribeY► Subscribe
Forest Labs LlcNAMZARICdonepezil hydrochloride; memantine hydrochlorideCAPSULE, EXTENDED RELEASE;ORAL206439-004Jul 18, 2016RXYesNo► Subscribe► SubscribeY► Subscribe
Forest Labs LlcNAMZARICdonepezil hydrochloride; memantine hydrochlorideCAPSULE, EXTENDED RELEASE;ORAL206439-002Dec 23, 2014ABRXYesYes► Subscribe► SubscribeY► Subscribe
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Non-Orange Book Patents for Patent: 8,293,794

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
8,283,379Methods and compositions for the treatment of CNS-related conditions► Subscribe
8,426,472Method and composition for administering an NMDA receptor antagonist to a subject► Subscribe
2,012,045,508► Subscribe
8,329,752Composition for administering an NMDA receptor antagonist to a subject► Subscribe
8,580,858Compositions for the treatment of CNS-related conditions► Subscribe
8,338,485Compositions for the treatment of CNS-related conditions► Subscribe
8,173,708Method and composition for administering an NMDA receptor antagonist to a subject► Subscribe
8,058,291Methods and compositions for the treatment of CNS-related conditions► Subscribe
8,338,486Methods for the treatment of CNS-related conditions► Subscribe
8,168,209Method and composition for administering an NMDA receptor antagonist to a subject► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Patent: 8,293,794

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Japan2009173669► Subscribe
South Korea20070112763► Subscribe
South Korea101301429► Subscribe
South Korea20070116996► Subscribe
South Korea101406456► Subscribe
South Korea20060124731► Subscribe
Mexico2007006120► Subscribe
Mexico2007012374► Subscribe
Russian Federation2007122410► Subscribe
Russian Federation2404750► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Daiichi Sankyo
US Department of Justice
Fuji
Cantor Fitzgerald
McKesson
Argus Health
Express Scripts
Queensland Health
Federal Trade Commission
Covington

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