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Serving leading biopharmaceutical companies globally:

Argus Health
Cantor Fitzgerald
Fish and Richardson
Deloitte
Merck
QuintilesIMS
Johnson and Johnson
Cerilliant
UBS
Boehringer Ingelheim

Generated: February 25, 2018

DrugPatentWatch Database Preview

Details for Patent: 8,946,276

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

Patent 8,946,276 protects NUVESSA and is included in one NDA.

This patent has twelve patent family members in eight countries.
Summary for Patent: 8,946,276
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;

Drugs Protected by US Patent 8,946,276

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
Chemo Research Sl NUVESSA metronidazole GEL;VAGINAL 205223-001 Mar 24, 2014 RX Yes Yes ➤ Sign Up ➤ Sign Up TREATMENT OF BACTERIAL VAGINOSIS WITH METRONIDAZOLE GEL ➤ Sign Up
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

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Non-Orange Book US Patents Family Members for Patent 8,946,276

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
9,198,858 Methods of treating bacterial vaginosis with aqueous-based metronidazole gel formulations ➤ Sign Up
Patent No. Title Estimated Patent Expiration

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International Patents Family Members for US Patent 8,946,276

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Brazil 112013033759 ➤ Sign Up
Canada 2840571 ➤ Sign Up
China 103763925 ➤ Sign Up
European Patent Office 2725904 ➤ Sign Up
Japan 2014518272 ➤ Sign Up
Japan 5986632 ➤ Sign Up
Japan 2017014248 ➤ Sign Up
Japan 6235087 ➤ Sign Up
Australia 2016200825 ➤ Sign Up
Australia 2012275292 ➤ Sign Up
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

McKesson
Cipla
Citi
QuintilesIMS
Chinese Patent Office
Chubb
Colorcon
Healthtrust
Federal Trade Commission

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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