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Details for Patent: 6,902,742

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Patent 6,902,742 protects ZOHYDRO ER and is included in one NDA. There has been one Paragraph IV challenge on Zohydro ER. There is one tentative approval for the compound protected by this patent. Additional details are available via the generic ingredient links below.

This patent has one hundred and thirty-seven patent family members in thirty-two countries.

Summary for Patent: 6,902,742

Title: Multiparticulate modified release composition
Abstract:The invention relates to a multiparticulate modified release composition that in operation delivers an active ingredient in a pulsed or bimodal manner. The multiparticulate modified release composition comprises an immediate release component and a modified release component; the immediate release component comprising a first population of active ingredient containing particles and the modified release component comprising a second population of active ingredient containing particles coated with a controlled release coating; wherein the combination of the immediate release and modified release components in operation deliver the active ingredient in a pulsed or a bimodal manner. The invention also relates to a solid oral dosage form containing such a multiparticulate modified release composition. The plasma profile achieved by the multiparticulate modified release composition is advantageous in reducing patient tolerance to the active ingredient and in increasing patient compliance by reducing dosage frequency.
Inventor(s): Devane; John G. (Athlone, IE), Stark; Paul (Athlone, IE), Fanning; Niall M. M. (Athlone, IE), Rekhi; Gurvinder Singh (Suwanee, GA)
Assignee: Elan Corporation, plc (Dublin, IE)
Application Number:10/331,754
Patent Claim Types:
see list of patent claims
Composition; Delivery; Formulation; Dosage form; Use;
Patent Metrics:
Source: PatentQuant.com
Field: Not categorized
Back Citations: 80th 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
Pernix Ireland Pain
ZOHYDRO ER
hydrocodone bitartrate
CAPSULE, EXTENDED RELEASE;ORAL202880-001Oct 25, 2013RXYes6,902,742► subscribeY
Pernix Ireland Pain
ZOHYDRO ER
hydrocodone bitartrate
CAPSULE, EXTENDED RELEASE;ORAL202880-002Oct 25, 2013RXNo6,902,742► subscribeY
Pernix Ireland Pain
ZOHYDRO ER
hydrocodone bitartrate
CAPSULE, EXTENDED RELEASE;ORAL202880-003Oct 25, 2013RXNo6,902,742► subscribeY
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Non-Orange Book Patents for Patent: 6,902,742

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
8,119,163Nanoparticulate and controlled release compositions comprising cefditoren► subscribe
6,730,325 Multiparticulate modified release composition► subscribe
6,228,398 Multiparticulate modified release composition► 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: 6,902,742

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina021858► subscribe
Austria411011► subscribe
Australia1335000► 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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