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Generated: September 23, 2017

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Which drugs does patent 8,481,083 protect, and when does it expire?


Patent ► Subscribe protects PREPOPIK and is included in one NDA. There has been one Paragraph IV challenge on Prepopik.

This patent has twenty-three patent family members in sixteen countries.

Summary for Patent: ► Subscribe

Title:Granular compositions of magnesium oxide and citric acid and uses thereof
Abstract: Compositions are provided that are useful for the preparation of a medicament. The compositions comprise granules having a layer of sodium picosulphate coated on potassium bicarbonate. Additional granules having a layer of magnesium oxide coated on a core of citric acid are also provided. The two types of granules may be combined to obtain mixtures (preferably homogeneous or substantially homogeneous mixtures) of the two types of granules, which are useful, e.g., as pharmaceutical compositions.
Inventor(s): Xu; Haijun (Zhongshan Port, CN), Diao; Tiejun (Zhongshan Port, CN)
Assignee: Ferring International Center S.A. (St-Prex, CH)
Application Number:12/677,857
Patent Claim Types:
see list of patent claims
Composition; Formulation;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Ferring Pharms Inc
PREPOPIK
citric acid; magnesium oxide; sodium picosulfate
FOR SOLUTION;ORAL202535-001Jul 16, 2012RXYesYes► Subscribe► SubscribeY
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Foreign Priority and PCT Information for Patent: ► Subscribe

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
07254049Oct 12, 2007
China2007 1 0186023Nov 09, 2007
United Kingdom0805953.7Apr 01, 2008
PCT Information
PCT FiledOctober 10, 2008PCT Application Number:PCT/IB2008/003199
PCT Publication Date:April 16, 2009PCT Publication Number: WO2009/047633

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
8,450,338Granular compositions of sodium picosulphate and potassium bicarbonate and uses thereof► 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
Taiwan200924759► Subscribe
Saudi Arabia3314► Subscribe
Russian Federation2473332► Subscribe
Russian Federation2010112483► Subscribe
New Zealand583899► Subscribe
Mexico2010003588► Subscribe
South Korea101381263► Subscribe
South Korea20130105757► Subscribe
South Korea101330096► Subscribe
South Korea20100072020► 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:

Moodys
Cipla
Farmers Insurance
Deloitte
Citi
McKesson
QuintilesIMS
Merck
Medtronic
Cerilliant

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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