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Details for Patent: 7,658,914

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Patent 7,658,914 protects MOVIPREP and is included in one NDA. There has been one Paragraph IV challenge on Moviprep.

This patent has thirty-nine patent family members in nineteen countries.

Summary for Patent: 7,658,914

Title:Colon cleansing compositions
Abstract:A composition comprising, per liter of aqueous solution, from 30 to 350 g polyethylene glycol, from 3 to 20 g of an ascorbic acid component selected form the group consisting of ascorbic acid, a salt of ascorbic acid, or a mixture thereof, an alkali metal or alkaline earth metal sulphate, preferably from 1 to 15 g thereof, and optionally one or more electrolytes selected from sodium chloride, potassium chloride, and sodium hydrogen carbonate, and preferably also comprising flavorings, is effective in cleansing the gut in preparation for a endoscopy, especially colonoscopy. It is safer than conventional sodium phosphate-based gut cleansing compositions, and hence can be used for patients who would be at risk with sodium phosphate-based compositions, and is better tolerated than conventional PEG-based compositions, leading to better patient compliance and enabling effective out-patient use.
Inventor(s): Barras; Norman (Chilton, GB), Cox; Ian David (Welton, GB), Ungar; Alex (Cumberland, GB), Halphen; Marc (London, GB)
Assignee: Norgine BV (Amsterdam, NL)
Application Number:11/636,105
Patent Claim Types:
see list of patent claims
Composition; Formulation; Device;

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Salix Pharms
MOVIPREP
ascorbic acid; polyethylene glycol 3350; potassium chloride; sodium ascorbate; sodium chloride; sodium sulfate
FOR SOLUTION;ORAL021881-001Aug 2, 2006RXYes7,658,914► subscribeYY
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Foreign Priority and PCT Information for Patent: 7,658,914

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom0224909.2Oct 25, 2002

Non-Orange Book Patents for Patent: 7,658,914

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
7,169,381Colon cleansing compositions and methods► 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: 7,658,914

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria404223► subscribe
Australia2003274377► subscribe
Australia2008100865► 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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