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Details for Patent: 8,303,986

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Patent 8,303,986 protects REQUIP XL and is included in one NDA. There have been six Paragraph IV challenges on Requip XL.

This patent has forty-five patent family members in twenty-seven countries.

Summary for Patent: 8,303,986

Title:Hydrophilic/lipophilic polymeric matrix dosage formulation
Abstract: An oral dosage form comprising a pharmaceutical tablet of one or more layers, one of which carries a biologically active substance; the formulation of said tablet includes different percentages of hydrophilic and lipophilic polymeric materials, and adjuvant substances. The tablets of the present invention show a release rate which is independent from the amounts of active substance present in the tablet.
Inventor(s): Vergnault; Guy (Kembs, FR), Grenier; Pascal (Kappelen, FR), Maggi; Lauretta (Pavia, IT), Conte; Ubaldo (Busto Arsizio, IT)
Assignee: Jagotec AG (Muttenz, CH)
Application Number:12/478,946
Patent Claim Types:
see list of patent claims
Formulation; Compound; Dosage form;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 71st 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
Glaxosmithkline Llc
REQUIP XL
ropinirole hydrochloride
TABLET, EXTENDED RELEASE;ORAL022008-001Jun 13, 2008RXYes8,303,986► subscribeY
Glaxosmithkline Llc
REQUIP XL
ropinirole hydrochloride
TABLET, EXTENDED RELEASE;ORAL022008-002Jun 13, 2008DISCNNo8,303,986► subscribeY
Glaxosmithkline Llc
REQUIP XL
ropinirole hydrochloride
TABLET, EXTENDED RELEASE;ORAL022008-003Jun 13, 2008RXNo8,303,986► subscribeY
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Foreign Priority and PCT Information for Patent: 8,303,986

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
ItalyMI00A0852Apr 14, 2000
ItalyMI00A1963Sep 07, 2000

Non-Orange Book Patents for Patent: 8,303,986

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
8,460,706Hydrophilic/lipophilic polymeric matrix dosage formulation► subscribe
7,927,624Hydrophilic/lipophilic polymeric matrix dosage formulation► 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: 8,303,986

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Portugal1272167► subscribe
Poland202689► subscribe
Poland365837► 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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