Last Updated: August 26, 2026

Details for Patent: 12,128,137

Name: Drug Patent Intelligence for US Patent 12128137
Creator: DrugPatentWatch
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Which drugs does patent 12,128,137 protect, and when does it expire?

Patent 12,128,137 protects ARAZLO and is included in one NDA.

This patent has thirty-two patent family members in nineteen countries.

Summary for Patent: 12,128,137

Title:	Topical compositions and methods for treating skin diseases
Abstract:	Topical pharmaceutical compositions include tazarotene or a pharmaceutically acceptable salt of tazarotenic acid and an oil-in-water emulsion vehicle that forms a lotion. The compositions are used to treat skin diseases, such as acne vulgaris.
Inventor(s):	Arturo Angel, Radhakrishnan Pillai
Assignee:	Bausch Health Ireland Ltd
Application Number:	US17/719,278
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 12,128,137
Patent Claim Types: see list of patent claims	Use; Composition;

Drugs Protected by US Patent 12,128,137

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.	Patented / Exclusive Use	Submissiondate
Bausch	ARAZLO	tazarotene	LOTION;TOPICAL	211882-001	Dec 18, 2019		RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial	Y			TOPICAL TREATMENT OF ACNE VULGARIS IN PATIENTS 9 YEARS OF AGE AND OLDER	⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 12,128,137

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2016279801	⤷ Start Trial
Brazil	112017027332	⤷ Start Trial
Brazil	112019023817	⤷ Start Trial
Canada	2988577	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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