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Details for Patent: 8,926,947

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Patent 8,926,947 protects FERAHEME and is included in one NDA. There has been one Paragraph IV challenge on Feraheme.

This patent has eleven patent family members in ten countries.

Summary for Patent: 8,926,947

Title:Polyol and polyether iron oxide complexes as pharmacological and/or MRI contrast agents
Abstract: Iron oxide complexes, pharmacological compositions and unit dosage thereof, and methods for their administration, of the type employing an iron oxide complex with a polyol, are disclosed. The pharmacological compositions employ a polysaccharide iron oxide complex, wherein the polysaccharide is a modified polyol such as a carboxyalkylated reduced dextran. The complex is stable to terminal sterilization by autoclaving. The compositions are suitable for parenteral administration to a subject for the treatment of iron deficiencies or as MRI contrast agent. The complex is substantially immunosilent, provide minimal anaphylaxis and undergo minimal dissolution in vivo. The pharmacological compositions of the complex contain minimal free iron which can be quantified by a variety of methods.
Inventor(s): Groman; Ernest V. (Brookline, MA), Paul; Kenneth G. (Holliston, MA), Frigo; Timothy B. (Waltham, MA), Bengele; Howard (Canton, MA), Lewis; Jerome M. (Newton, MA)
Assignee: AMAG Pharmaceuticals, Inc. (Lexington, MA)
Application Number:14/301,757
Patent Claim Types:
see list of patent claims
Use; Formulation;
Patent Metrics:
Source: PatentQuant.com
Field: Medical technology
Back Citations: 0th percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Amag Pharms Inc
FERAHEME
ferumoxytol
SOLUTION;INTRAVENOUS022180-001Jun 30, 2009RXYes8,926,947► subscribeYY
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Non-Orange Book Patents for Patent: 8,926,947

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
8,591,864Polyol and polyether iron oxide complexes as pharmacological and/or MRI contrast agents► subscribe
6,599,498 Heat stable colloidal iron oxides coated with reduced carbohydrates and carbohdrate derivatives► subscribe
7,553,479Heat stable colloidal iron oxides coated with reduced carbohydrates 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: 8,926,947

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Portugal1169062► subscribe
Luxembourg92114► subscribe
Japan2011046752► 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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