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Details for Patent: 8,795,725

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Patent 8,795,725 protects HORIZANT and is included in one NDA.

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

Summary for Patent: 8,795,725

Title:GABA analog prodrug sustained release oral dosage forms
Abstract: Sustained release oral dosage forms of a gabapentin prodrug, 1-{[(.alpha.-isobutanoyloxyethoxy)carbonyl]aminomethyl}-1-cyclohexane acetic acid, are disclosed. The dosage forms are useful for treating or preventing diseases and disorders for which gabapentin is therapeutically effective.
Inventor(s): Cundy; Kenneth C. (Redwood City, CA), Sastry; Srikonda (Sunnyvale, CA), Leung; Manshiu (Daily City, CA), Kadri; Balaji V. (Tampa, FL), Stach; Paul E. (Plymouth, MN)
Assignee: XenoPort, Inc. (Santa Clara, CA)
Application Number:11/269,045
Patent Claim Types:
see list of patent claims
Compound; Dosage form; Composition; Use;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
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
Arbor Pharms Llc
HORIZANT
gabapentin enacarbil
TABLET, EXTENDED RELEASE;ORAL022399-002Dec 13, 2011RXNo8,795,725► subscribeY MANAGEMENT OF POSTHERPETIC NEURALGIA (PHN) IN ADULTS
Arbor Pharms Llc
HORIZANT
gabapentin enacarbil
TABLET, EXTENDED RELEASE;ORAL022399-002Dec 13, 2011RXNo8,795,725► subscribeY TREATMENT OF MODERATE-TO-SEVERE PRIMARY RESTLESS LEG SYNDROME IN ADULTS
Arbor Pharms Llc
HORIZANT
gabapentin enacarbil
TABLET, EXTENDED RELEASE;ORAL022399-001Apr 6, 2011RXYes8,795,725► subscribeY MANAGEMENT OF POSTHERPETIC NEURALGIA (PHN) IN ADULTS
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Non-Orange Book Patents for Patent: 8,795,725

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
8,906,412GABA analog prodrug sustained release oral dosage forms► 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: 8,795,725

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
TaiwanI377938► subscribe
Russian Federation2440112► subscribe
Russian Federation2007120570► 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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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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