Last Updated: May 3, 2026

NORETHINDRONE AND MESTRANOL Drug Patent Profile

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When do Norethindrone And Mestranol patents expire, and when can generic versions of Norethindrone And Mestranol launch?

Norethindrone And Mestranol is a drug marketed by Watson Labs and is included in two NDAs.

The generic ingredient in NORETHINDRONE AND MESTRANOL is mestranol; norethindrone. There are eleven drug master file entries for this compound. Additional details are available on the mestranol; norethindrone profile page.

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Summary for NORETHINDRONE AND MESTRANOL

US Patents:	0
Applicants:	1
NDAs:	2

US Patents and Regulatory Information for NORETHINDRONE AND MESTRANOL

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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.	Exclusivity Expiration
Watson Labs	NORETHINDRONE AND MESTRANOL	mestranol; norethindrone	TABLET;ORAL-21	070758-001	Jul 1, 1988		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Watson Labs	NORETHINDRONE AND MESTRANOL	mestranol; norethindrone	TABLET;ORAL-28	070759-001	Jul 1, 1988		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Exclusivity Expiration

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