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Serving hundreds of leading biopharmaceutical companies globally:

Chubb
Dow
Medtronic
Express Scripts
Teva
Cerilliant
US Army
Mallinckrodt
Covington

Generated: May 27, 2018

DrugPatentWatch Database Preview

Details for Patent: 6,787,531

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

Patent 6,787,531 protects YAZ and YASMIN and is included in two NDAs.

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: 6,787,531
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 Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,787,531
Patent Claim Types:
see list of patent claims
Composition; Formulation; Dosage form; Device;

Drugs Protected by US Patent 6,787,531

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Bayer Hlthcare YAZ drospirenone; ethinyl estradiol TABLET;ORAL 021676-001 Mar 16, 2006 AB RX Yes Yes ➤ Try a Free Trial ➤ Try a Free Trial Y ➤ Try a Free Trial
Bayer Hlthcare YASMIN drospirenone; ethinyl estradiol TABLET;ORAL-28 021098-001 May 11, 2001 AB RX Yes Yes ➤ Try a Free Trial ➤ Try a Free Trial Y ➤ Try a Free Trial
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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International Family Members for US Patent 6,787,531

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 025443 ➤ Try a Free Trial
Argentina 043470 ➤ Try a Free Trial
Austria 254464 ➤ Try a Free Trial
Austria 420648 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Covington
Accenture
AstraZeneca
Harvard Business School
QuintilesIMS
McKinsey
Fuji
Chubb
Colorcon

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