Last Updated: August 3, 2026

NORETHIN 1/50M-28 Drug Patent Profile

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When do Norethin 1/50m-28 patents expire, and when can generic versions of Norethin 1/50m-28 launch?

Norethin 1/50m-28 is a drug marketed by Heritage Pharma and is included in one NDA.

The generic ingredient in NORETHIN 1/50M-28 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 NORETHIN 1/50M-28

US Patents:	0
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for NORETHIN 1/50M-28

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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
Heritage Pharma	NORETHIN 1/50M-28	mestranol; norethindrone	TABLET;ORAL-28	071540-001	Apr 12, 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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