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Serving 500+ biopharmaceutical companies globally:

Express Scripts
Citi
Chinese Patent Office
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Novartis
Fuji
Medtronic
US Department of Justice
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Generated: July 24, 2017

DrugPatentWatch Database Preview

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Which drugs does patent 6,787,531 protect, and when does it expire?


Patent ► Subscribe protects YAZ and YASMIN and is included in two NDAs. There have been zero Paragraph IV challenges on Yaz and Yasmin

This patent has ninety patent family members in thirty-nine countries.

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

Summary for Patent: ► Subscribe

Title: Pharmaceutical composition for use as a contraceptive
Abstract:A pharmaceutical composition comprises, as a first active agent, 6.beta.,7.beta.; 15.beta.,16.beta.-dimethylene-3-oxo-17.alpha.-pregn-4-ene-21,17-carbolacto ne (drospirenone) in an amount corresponding to a daily dosage, on administration of the composition, of from about 2 mg to about 4 mg, and, as a second active agent, 17.alpha.-ethinylestradiol (ethinylestradiol) in an amount corresponding to a daily dosage of from about 0.01 mg to about 0.05 mg, together with one or more pharmaceutically acceptable carriers or excipients. In a specific embodiment, the composition consists of a number of separately packaged and individually removable daily dosage units placed in a packaging unit and intended for oral administration for a period of at least 21 consecutive days, wherein said daily dosage units comprises the combination of drospirenone and ethinylestradiol. The composition may further comprise 7 or less daily dosage units containing no active agent or containing ethinylestradiol alone.
Inventor(s): Hilman; Juergen (Berlin, DE), Heil; Wolfgang (Berlin, DE), Lipp; Ralph (Berlin, DE), Heithecker; Renate (Berlin, DE), Huempel; Michael (Berlin, DE), Tack; Johannes W. (Berlin, DE)
Assignee: Schering AG (Berlin, DE)
Application Number:09/654,227
Patent Claim Types:
see list of patent claims
Composition; Formulation; Dosage form; Device;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Bayer Hlthcare
YAZ
drospirenone; ethinyl estradiol
TABLET;ORAL021676-001Mar 16, 2006ABRXYesYes► Subscribe► SubscribeY
Bayer Hlthcare
YASMIN
drospirenone; ethinyl estradiol
TABLET;ORAL-28021098-001May 11, 2001ABRXYesYes► Subscribe► SubscribeY
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International Patent Family for Patent: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Russian Federation2449796► Subscribe
Russian Federation2269342► Subscribe
Serbia20090134► Subscribe
Serbia50262► Subscribe
Yugoslavia14502► 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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Serving 500+ biopharmaceutical companies globally:

Johnson and Johnson
Healthtrust
Cerilliant
Fuji
Covington
Julphar
Novartis
Daiichi Sankyo
Merck
AstraZeneca

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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