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Details for Patent: 6,746,692

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Patent 6,746,692 protects AUGMENTIN XR and is included in one NDA. There has been one Paragraph IV challenge on Augmentin XR.

This patent has ninety-two patent family members in forty-seven countries.

Summary for Patent: 6,746,692

Title: Modified release pharmaceutical formulation comprising amoxycillin
Abstract:Bacterial infections may be treated using a high dosage regimen of amoxycillin and potassium clavulanate. Preferably, the dosage is provided by a bilayer tablet.
Inventor(s): Conley; Creighton P. (Bristol, TN), Roush; John A. (Kingsport, TN), Storm; Kevin H. (Bristol, TN)
Assignee: Beecham Pharmaceuticals (Pte) Limited (Jurong, SG)
Application Number:10/115,700
Patent Claim Types:
see list of patent claims
Composition; Formulation; Dosage form;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 95th percentile
Forward Citations: 2nd percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Dr Reddys Labs Inc
AUGMENTIN XR
amoxicillin; clavulanate potassium
TABLET, EXTENDED RELEASE;ORAL050785-001Sep 25, 2002RXYes6,746,692► subscribeY
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Non-Orange Book Patents for Patent: 6,746,692

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
7,250,176Method of treating a bacterial infection► subscribe
6,660,299 Modified release pharmaceutical formulation comprising amoxycillin► subscribe
6,783,773 Composition comprising amoxicillin and potassium clavulanate► 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: 6,746,692

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO)1806► subscribe
African Regional IP Organization (ARIPO)200102284► subscribe
Argentina031068► 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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