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Last Updated: October 26, 2021

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NATAZIA Drug Patent Profile


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Which patents cover Natazia, and what generic alternatives are available?

Natazia is a drug marketed by Bayer Hlthcare and is included in one NDA. There are two patents protecting this drug and one Paragraph IV challenge.

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

The generic ingredient in NATAZIA is dienogest; estradiol valerate. There are seven drug master file entries for this compound. Two suppliers are listed for this compound. Additional details are available on the dienogest; estradiol valerate profile page.

DrugPatentWatch® Generic Entry Outlook for Natazia

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be May 13, 2026. This may change due to patent challenges or generic licensing.

There have been three patent litigation cases involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.

There is one tentative approval for the generic drug (dienogest; estradiol valerate), which indicates the potential for near-term generic launch.

Indicators of Generic Entry

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Drug patent expirations by year for NATAZIA
Drug Prices for NATAZIA

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Drug Sales Revenue Trends for NATAZIA

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DrugPatentWatch® Estimated Generic Entry Opportunity Date for NATAZIA
Generic Entry Date for NATAZIA*:
Constraining patent/regulatory exclusivity:
NDA:
Dosage:
TABLET;ORAL

*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Paragraph IV (Patent) Challenges for NATAZIA
Tradename Dosage Ingredient NDA Submissiondate
NATAZIA TABLET;ORAL dienogest; estradiol valerate 022252 2010-10-22

US Patents and Regulatory Information for NATAZIA

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bayer Hlthcare NATAZIA dienogest; estradiol valerate TABLET;ORAL 022252-001 May 6, 2010 RX Yes Yes ⤷  Free Forever Trial ⤷  Free Forever Trial ⤷  Free Forever Trial
Bayer Hlthcare NATAZIA dienogest; estradiol valerate TABLET;ORAL 022252-001 May 6, 2010 RX Yes Yes ⤷  Free Forever Trial ⤷  Free Forever Trial Y ⤷  Free Forever Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for NATAZIA

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Bayer Hlthcare NATAZIA dienogest; estradiol valerate TABLET;ORAL 022252-001 May 6, 2010 ⤷  Free Forever Trial ⤷  Free Forever Trial
Bayer Hlthcare NATAZIA dienogest; estradiol valerate TABLET;ORAL 022252-001 May 6, 2010 ⤷  Free Forever Trial ⤷  Free Forever Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

Supplementary Protection Certificates for NATAZIA

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
0770388 PA2009004 Lithuania ⤷  Free Forever Trial PRODUCT NAME: ESTRADIOLI VALERAS + DIENOGESTUM; NAT. REGISTRATION NO/DATE: LT/1/09/1512/001, 2009 04 06 LT/1/09/1512/002, 2009 04 06 LT/1/09/1512/003 20090406; FIRST REGISTRATION: BE 327792 20081103
0770388 SPC/GB09/026 United Kingdom ⤷  Free Forever Trial PRODUCT NAME: ESTRADIOL AND COMBINATIONS OF ESTRADIOL AND DIENOGEST, PREFERABLY ESTRADIOL VALERATE AND COMBINATIONS OF ESTRADIOL VALERATE AND DIENOGEST; REGISTERED: BE BE 327792 20081103; UK PL 00010/0576-0001 20081208
0770388 427 Finland ⤷  Free Forever Trial
0770388 C00770388/01 Switzerland ⤷  Free Forever Trial FORMER REPRESENTATIVE: BOHEST AG, CH
0770388 09C0018 France ⤷  Free Forever Trial PRODUCT NAME: ESTRADIOL VALERATE; DIENOGEST; NAT. REGISTRATION NO/DATE: NL35170 20081210; FIRST REGISTRATION: BE327792 20081103
0770388 PA2009004,C0770388 Lithuania ⤷  Free Forever Trial PRODUCT NAME: ESTRADIOLI VALERAS + DIENOGESTUM; NAT. REGISTRATION NO/DATE: LT/1/09/1512/001, 2009 04 06 LT/1/09/1512/002, 2009 04 06 LT/1/09/1512/003 20090406; FIRST REGISTRATION: BE 327792 20081103
0770388 2009/012 Ireland ⤷  Free Forever Trial PRODUCT NAME: QLAIRA-ESTRADIOL VALERATE/DIENOGEST; NAT REGISTRATION NO/DATE: PA1410/58/1 20090109; FIRST REGISTRATION NO/DATE: BE327792 20081103
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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Serving leading biopharmaceutical companies globally:

McKinsey
Boehringer Ingelheim
Medtronic
Mallinckrodt
AstraZeneca
Harvard Business School

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 verification 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.