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  • Drug patents in 130+ countries

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Serving 500+ biopharmaceutical companies globally:

Covington
McKinsey
Fish and Richardson
AstraZeneca
UBS
Farmers Insurance
Teva
Express Scripts
Cantor Fitzgerald
Cipla

Generated: September 24, 2017

DrugPatentWatch Database Preview

Details for Patent: ► Subscribe

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Which drugs does patent 8,946,276 protect, and when does it expire?


Patent ► Subscribe protects NUVESSA and is included in one NDA.

This patent has eleven patent family members in eight countries.

Summary for Patent: ► Subscribe

Title:High dosage mucoadhesive metronidazole aqueous-based gel formulations and their use to treat bacterial vaginosis
Abstract: The present disclosure provides mucoadhesive aqueous-based gel formulations of metronidazole useful for a variety of purposes, including intravaginal application as a therapeutic approach towards the treatment of individuals suffering from and/or diagnosed with bacterial vaginosis.
Inventor(s): Nordsiek; Michael T. (Wayne, PA), Balaji; Kodumudi S. (Landsdale, PA)
Assignee: Watson Laboratories, Inc. (Salt Lake City, UT)
Application Number:13/536,960
Patent Claim Types:
see list of patent claims
Use; Formulation; Composition;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Chemo Research Sl
NUVESSA
metronidazole
GEL;VAGINAL205223-001Mar 24, 2014RXYesYes► Subscribe► Subscribe TREATMENT OF BACTERIAL VAGINOSIS WITH METRONIDAZOLE GEL
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Non-Orange Book Patents for Patent: ► Subscribe

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
9,198,858Methods of treating bacterial vaginosis with aqueous-based metronidazole gel formulations► 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: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia2012275292► Subscribe
Australia2016200825► Subscribe
Brazil112013033759► Subscribe
Canada2840571► Subscribe
China103763925► Subscribe
European Patent Office2725904► Subscribe
Japan2014518272► Subscribe
Japan2017014248► Subscribe
Japan5986632► Subscribe
Mexico2014000066► 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 500+ biopharmaceutical companies globally:

UBS
Chubb
Cantor Fitzgerald
Fish and Richardson
Deloitte
Chinese Patent Office
Moodys
Argus Health
Accenture
Express Scripts

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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