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Details for Patent: 5,968,979

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Patent 5,968,979 protects RAVICTI and is included in one NDA. There has been one Paragraph IV challenge on Ravicti.

This patent has seven patent family members in seven countries.

Summary for Patent: 5,968,979

Title: Triglycerides and ethyl esters of phenylalkanoic acid and phenylalkenoic acid useful in treatment of various disorders
Abstract:Two new forms of prodrug for phenylacetate, of even congeners of phenylalkanoic acid and phenylalkenoic acids, which are the phenylalkanoic or phenylalkenoic esters of glycerol, or the ethyl esters of phenylalkanoic acid or phenylalkenoic acids. These forms of the drugs provide a convenient dosage form of the drugs. The prodrugs of the invention are useful to treat patients with diseases of nitrogen accumulation, patients with certain .beta.-hemoglobinopathies, anemia, and cancer.
Inventor(s): Brusilow; Saul W. (Baltimore, MD)
Assignee: Brusilow Enterprises LLC (Baltimore, MD)
Application Number:09/006,432
Patent Claim Types:
see list of patent claims
Use; Compound; Composition;
Patent Metrics:
Source: PatentQuant.com
Field: Basic materials chemistry
Back Citations: 1st percentile
Forward Citations: 1st percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Horizon Theraps Inc
RAVICTI
glycerol phenylbutyrate
LIQUID;ORAL203284-001Feb 1, 2013RXYes5,968,979► subscribeYY TREATMENT OF A NITROGEN METABOLISM DISORDER
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Non-Orange Book Patents for Patent: 5,968,979

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
6,083,984 Triglycerides and ethyl esters of phenylalkanoic acid and phenylalkenoic acid useful in the treatment of various disorders► subscribe
6,060,510 Triglycerides and ethyl esters of phenylalkanoic acid and phenylalkenoic acid useful in the treatment of various disorders► 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: 5,968,979

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria201013► subscribe
Australia4858796► subscribe
Canada2212047► 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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