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Details for Patent: 6,987,101

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Patent 6,987,101 protects YAZ and is included in one NDA. There has been one Paragraph IV challenge on Yaz.

This patent has three patent family members in three countries.

This patent has expired prematurely due to non-payment of maintenance fees. See details below.

Summary for Patent: 6,987,101

Title:Therapeutic gestagens for the treatment of premenstrual dysphoric disorder
Abstract:A method for treating premenstrual dysphoric disorder comprises administering a therapeutically effective amount of a gestagen. Optionally, a natural or synthetic estrogen is also administered. In one embodiment, the gestagen and optional estrogen are administered during the luteal phase of the female menstrual cycle, preferably from day 10 to day 28.
Inventor(s): Nashed; Norman (Munchen, DE)
Assignee: Schering Aktiengesellschaft (Berlin, DE)
Application Number:09/619,493
Patent Claim Types:
see list of patent claims
Use; Delivery;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 6th 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
Bayer Hlthcare
drospirenone; ethinyl estradiol
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Premature patent expiration for: 6,987,101

Expiration due to failure to pay maintenance fee

Patent Number Expiration Date
6,987,101 January 17, 2010

Foreign Priority and PCT Information for Patent: 6,987,101

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany196 54 609Dec 20, 1996

International Patent Family for Patent: 6,987,101

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
World Intellectual Property Organization (WIPO)9827929► subscribe
Germany19654609► subscribe
Australia5981098► 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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