Last Updated: November 8, 2026

VERSACLOZ Drug Patent Profile

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

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

Versacloz is a drug marketed by Douglas Pharms and is included in one NDA. There is one patent protecting this drug.

The generic ingredient in VERSACLOZ is clozapine. There is one drug master file entry for this compound. Thirteen suppliers are listed for this compound. Additional details are available on the clozapine profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Versacloz

A generic version of VERSACLOZ was approved as clozapine by IVAX SUB TEVA PHARMS on November 26^th, 1997.

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Summary for VERSACLOZ

US Patents:	1
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	1
Raw Ingredient (Bulk) Api Vendors:	113
Patent Applications:	4,251
What excipients (inactive ingredients) are in VERSACLOZ?	VERSACLOZ excipients list
DailyMed Link:	VERSACLOZ at DailyMed

Drug patent expirations by year for VERSACLOZ

Pharmacology for VERSACLOZ

Drug Class	Atypical Antipsychotic

US Patents and Regulatory Information for VERSACLOZ

VERSACLOZ is protected by one US patents.

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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
Douglas Pharms	VERSACLOZ	clozapine	SUSPENSION;ORAL	203479-001	Feb 6, 2013		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial	Y			⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Exclusivity Expiration

International Patents for VERSACLOZ

See the table below for patents covering VERSACLOZ around the world.

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Country	Patent Number	Title	Estimated Expiration
Australia	2004257556	A stable clozapine suspension formulation	⤷ Start Trial
Canada	2532648	FORMULATION DE SUSPENSION STABLE DE CLOZAPINE (A STABLE CLOZAPINE SUSPENSION FORMULATION)	⤷ Start Trial
European Patent Office	1646393	FORMULATION DE SUSPENSION STABLE DE CLOZAPINE (A STABLE CLOZAPINE SUSPENSION FORMULATION)	⤷ Start Trial
>Country	>Patent Number	>Title	>Estimated Expiration

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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.