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Last Updated: October 18, 2019

DrugPatentWatch Database Preview

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-two patent family members in thirty-six 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

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   Start Trial   Start Trial Y PREVENTION OF PREGNANCY   Start Trial
>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
Germany10 2004 019 743Apr 20, 2004
PCT Information
PCT FiledApril 15, 2005PCT Application Number:PCT/EP2005/004022
PCT Publication Date:November 03, 2005PCT Publication Number: WO2005/102247

International Family Members for US Patent 8,071,577

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 048830   Start Trial
Argentina 084229   Start Trial
Austria 473734   Start Trial
Australia 2005235418   Start Trial
Brazil PI0510005   Start Trial
Canada 2561839   Start Trial
China 1946383   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

Mallinckrodt
Boehringer Ingelheim
Express Scripts
AstraZeneca
Baxter
McKinsey

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