Last Updated: August 3, 2026

LEXETTE Drug Patent Profile

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Which patents cover Lexette, and when can generic versions of Lexette launch?

Lexette is a drug marketed by Mayne Pharma and is included in one NDA. There are two patents protecting this drug and one Paragraph IV challenge.

This drug has twenty-nine patent family members in fifteen countries.

The generic ingredient in LEXETTE is halobetasol propionate. There are nine drug master file entries for this compound. Nine suppliers are listed for this compound. Additional details are available on the halobetasol propionate profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Lexette

A generic version of LEXETTE was approved as halobetasol propionate by FOUGERA PHARMS on December 16^th, 2004.

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Summary for LEXETTE

International Patents:	29
US Patents:	2
Applicants:	1
NDAs:	1
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for LEXETTE

Paragraph IV (Patent) Challenges for LEXETTE

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
LEXETTE	Topical Foam	halobetasol propionate	0.05%	210566	1	2021-01-28

US Patents and Regulatory Information for LEXETTE

LEXETTE is protected by two 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
Mayne Pharma	LEXETTE	halobetasol propionate	AEROSOL, FOAM;TOPICAL	210566-001	May 24, 2018		DISCN	Yes	No	11,020,407	⤷ Start Trial	Y			⤷ Start Trial
Mayne Pharma	LEXETTE	halobetasol propionate	AEROSOL, FOAM;TOPICAL	210566-001	May 24, 2018		DISCN	Yes	No	10,857,159*PED	⤷ 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 LEXETTE

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

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Country	Patent Number	Title	Estimated Expiration
Australia	2016372789		⤷ Start Trial
Brazil	112018012349		⤷ Start Trial
Canada	3008753		⤷ 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.