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Last Updated: January 28, 2022

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-four 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

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 for a Free Trial ⤷  Sign up for a Free Trial Y PREVENTION OF PREGNANCY ⤷  Sign up for 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 >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 ⤷  Sign up for a Free Trial
Argentina 084229 ⤷  Sign up for a Free Trial
Austria 473734 ⤷  Sign up for a Free Trial
Australia 2005235418 ⤷  Sign up for a Free Trial
Brazil PI0510005 ⤷  Sign up for a Free Trial
Canada 2561839 ⤷  Sign up for a Free Trial
China 1946383 ⤷  Sign up for a Free Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

McKinsey
McKesson
Medtronic
AstraZeneca
Johnson and Johnson
Moodys

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