Last Updated: June 22, 2026

DOXAZOSIN Drug Patent Profile

Name: DOXAZOSIN Drug Patent, Exclusivity, and Generic Launch Dataset
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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

Doxazosin is a drug marketed by Accord Hlthcare, Actavis Elizabeth, Ani Pharms, Apotex, Aurobindo Pharma Usa, Chartwell Rx, Genpharm, Heritage Pharma, Ivax Sub Teva Pharms, Nesher Pharms, Pliva, Rising, Somerset Theraps Llc, Strides Pharma Intl, Teva, Unichem, Watson Labs Inc, and Zydus Pharms. and is included in nineteen NDAs.

The generic ingredient in DOXAZOSIN is doxazosin mesylate. There are fourteen drug master file entries for this compound. Thirty-one suppliers are listed for this compound. Additional details are available on the doxazosin mesylate profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Doxazosin

A generic version of DOXAZOSIN was approved as doxazosin mesylate by APOTEX on October 18^th, 2000.

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Summary for DOXAZOSIN

US Patents:	0
Applicants:	18
NDAs:	19
Drug Prices:	Drug price information for DOXAZOSIN
Drug Sales Revenues:	Drug sales revenues for DOXAZOSIN
What excipients (inactive ingredients) are in DOXAZOSIN?	DOXAZOSIN excipients list
DailyMed Link:	DOXAZOSIN at DailyMed

Drug patent expirations by year for DOXAZOSIN

US Patents and Regulatory Information for DOXAZOSIN

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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 Inc	DOXAZOSIN MESYLATE	doxazosin mesylate	TABLET;ORAL	075426-004	Oct 18, 2000		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Pliva	DOXAZOSIN MESYLATE	doxazosin mesylate	TABLET;ORAL	075750-001	Jun 8, 2001		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Heritage Pharma	DOXAZOSIN MESYLATE	doxazosin mesylate	TABLET;ORAL	205210-004	Feb 13, 2018	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

DrugChatter Q&A for DOXAZOSIN

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Doxazosin mesylate generic?

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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. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. 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.