Details for Patent: 8,071,577

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Which drugs does patent 8,071,577 protect, and when does it expire?

Patent 8,071,577 protects NATAZIA and is included in one NDA.

This patent has forty-three patent family members in thirty-seven countries.

Summary for Patent: 8,071,577

Title:	Multi-phase contraceptive preparation based on a natural estrogen
Abstract:	The multiphase preparation having higher contraceptive safety and reduced side effects is based on a combination of a natural oestrogen with dienogest or drospirenone. The multiphase preparation is characterized by a first phase consisting of 2 daily dose units of 3 mg of oestradiol valerate, a second phase consisting of 2 groups of daily dose units, wherein a first group is formed by 5 daily dose units each containing a combination of 2 mg of oestradiol valerate and at least two or three times an ovulation-inhibitory dose of dienogest or drospirenone and a second group is formed by 17 daily dose units each containing a combination of 2 mg of oestradiol valerate and at least three or four times the ovulation-inhibitory dose of dienogest or drospirenone, a third phase consisting of 2 daily dose units of 1 mg of oestradiol valerate, and a further phase consisting of 2 daily dose units of pharmaceutically acceptable placebo.
Inventor(s):	Endrikat; Jan (Kirkland, CA), Duesterberg; Bernd (Oberkraemer, DE)
Assignee:	Bayer Pharma Aktiengesellschaft (Berlin, DE)
Application Number:	11/578,771
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 8,071,577
Patent Claim Types: see list of patent claims	Use;

Drugs Protected by US Patent 8,071,577

Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Bayer Hlthcare	NATAZIA	dienogest; estradiol valerate	TABLET;ORAL	022252-001	May 6, 2010		RX	Yes	Yes	⤷ Sign Up	⤷ Sign Up	Y			PREVENTION OF PREGNANCY	⤷ Sign Up
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

Foreign Priority and PCT Information for Patent: 8,071,577

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Germany	10 2004 019 743	Apr 20, 2004

PCT Information
PCT Filed	April 15, 2005	PCT Application Number:	PCT/EP2005/004022
PCT Publication Date:	November 03, 2005	PCT Publication Number:	WO2005/102247

International Family Members for US Patent 8,071,577

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Argentina	048830	⤷ Sign Up
Argentina	084229	⤷ Sign Up
Austria	473734	⤷ Sign Up
Australia	2005235418	⤷ Sign Up
Brazil	PI0510005	⤷ Sign Up
Canada	2561839	⤷ Sign Up
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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