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Serving 500+ biopharmaceutical companies globally:

Express Scripts
Fuji
UBS
Covington
Chinese Patent Office
Cipla
Novartis
Fish and Richardson
Queensland Health
Accenture

Generated: August 23, 2017

DrugPatentWatch Database Preview

Details for Patent: ► Subscribe

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Which drugs does patent 8,552,025 protect, and when does it expire?


Patent ► Subscribe protects RELISTOR and is included in one NDA. There have been three Paragraph IV challenges on Relistor.

This patent has thirty-one patent family members in seventeen countries.

Summary for Patent: ► Subscribe

Title:Stable methylnaltrexone preparation
Abstract: Stable pharmaceutical compositions useful for administering methylnaltrexone are described, as are methods for making the same. Kits, including these pharmaceutical compositions, also are provided.
Inventor(s): Sanghvi; Suketu P. (Kendall Park, NJ), Boyd; Thomas A. (Grandview, NY)
Assignee: Progenics Pharmaceuticals, Inc. (Tarrytown, NY)
Application Number:12/639,862
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Salix Pharms
RELISTOR
methylnaltrexone bromide
SOLUTION;SUBCUTANEOUS021964-002Sep 27, 2010RXYesYes► Subscribe► SubscribeY
Salix Pharms
RELISTOR
methylnaltrexone bromide
SOLUTION;SUBCUTANEOUS021964-001Apr 24, 2008RXYesYes► Subscribe► SubscribeY
Salix Pharms
RELISTOR
methylnaltrexone bromide
SOLUTION;SUBCUTANEOUS021964-003Sep 27, 2010RXYesYes► Subscribe► SubscribeY
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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
9,669,096Stable pharmaceutical formulations of methylnaltrexone► 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
BrazilPI0409133► Subscribe
Canada2521379► Subscribe
Canada2811272► Subscribe
China1767831► Subscribe
China104383542► 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:

AstraZeneca
Medtronic
Accenture
Fish and Richardson
Chubb
US Department of Justice
Healthtrust
Moodys
Argus Health
Daiichi Sankyo

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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