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Serving hundreds of leading biopharmaceutical companies globally:

UBS
Boehringer Ingelheim
Cerilliant
Colorcon
Dow
Covington
Fuji
Queensland Health
Accenture

Generated: June 22, 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 ➤ Try a Free Trial ➤ Try a Free Trial TREATMENT OF BACTERIAL VAGINOSIS WITH METRONIDAZOLE GEL ➤ Try a Free Trial
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 ➤ Try a Free Trial
Patent No. Title Estimated Patent Expiration

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International Family Members for US Patent 8,946,276

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2012275292 ➤ Try a Free Trial
Australia 2016200825 ➤ Try a Free Trial
Brazil 112013033759 ➤ Try a Free Trial
Canada 2840571 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Farmers Insurance
Chubb
Healthtrust
Deloitte
Merck
McKinsey
Cerilliant
Dow
Covington

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