Last Updated: June 17, 2026

NORTREL 0.5 Drug Patent Profile

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When do Nortrel 0.5 patents expire, and what generic alternatives are available?

Nortrel 0.5 is a drug marketed by Barr and Barr Labs and is included in two NDAs.

The generic ingredient in NORTREL 0.5 is ethinyl estradiol; norethindrone. There are twenty-six drug master file entries for this compound. Fourteen suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; norethindrone profile page.

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Summary for NORTREL 0.5

US Patents:	0
Applicants:	2
NDAs:	2

US Patents and Regulatory Information for NORTREL 0.5

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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
Barr	NORTREL 0.5/35-21	ethinyl estradiol; norethindrone	TABLET;ORAL-21	072692-001	Feb 28, 1992		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Barr Labs	NORTREL 0.5/35-28	ethinyl estradiol; norethindrone	TABLET;ORAL-28	072695-001	Feb 28, 1992	AB	RX	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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