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Details for Patent: 6,500,814

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Patent 6,500,814 protects LYBREL and is included in one NDA. There has been one Paragraph IV challenge on Lybrel. 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 ten patent family members in eight countries.

Summary for Patent: 6,500,814

Title: Hormonal contraceptive
Abstract:The present invention relates to a hormonal contraceptive product having two hormonal components, an estrogen and a gestagen, and a process for the combined, continuous administration of the product of the invention.
Inventor(s): Hesch; Rolf-Dieter (Constance, DE)
Assignee: Wyeth Pharmaceuticals (St. Davids, PA)
Application Number:09/508,648
Patent Claim Types:
see list of patent claims
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 7th 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
Wyeth Pharms Inc
ethinyl estradiol; levonorgestrel
TABLET;ORAL021864-001May 22, 2007DISCNNo6,500,814Sep 3, 2018 PREVENTION OF PREGNANCY
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Foreign Priority and PCT Information for Patent: 6,500,814

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany197 39 916Sep 11, 1997
PCT Information
PCT FiledSeptember 03, 1998PCT Application Number:PCT/DE98/02636
PCT Publication Date:March 18, 1999PCT Publication Number: WO99/12531

International Patent Family for Patent: 6,500,814

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Portugal1011682<disabled in preview>
Spain2200384<disabled in preview>
European Patent Office1935423<disabled in preview>
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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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