Last Updated: August 2, 2026

ARAZLO Drug Patent Profile


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

Arazlo is a drug marketed by Bausch and is included in one NDA. There are three patents protecting this drug and one Paragraph IV challenge.

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

The generic ingredient in ARAZLO is tazarotene. There are eight drug master file entries for this compound. Ten suppliers are listed for this compound. Additional details are available on the tazarotene profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Arazlo

A generic version of ARAZLO was approved as tazarotene by SUN PHARMA CANADA on April 3rd, 2017.

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Summary for ARAZLO
International Patents:32
US Patents:3
Applicants:1
NDAs:1
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for ARAZLO
Paragraph IV (Patent) Challenges for ARAZLO
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
ARAZLO Topical Lotion tazarotene 0.045% 211882 1 2022-05-12

US Patents and Regulatory Information for ARAZLO

ARAZLO is protected by three US patents.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bausch ARAZLO tazarotene LOTION;TOPICAL 211882-001 Dec 18, 2019 RX Yes Yes 11,311,482 ⤷  Start Trial ⤷  Start Trial
Bausch ARAZLO tazarotene LOTION;TOPICAL 211882-001 Dec 18, 2019 RX Yes Yes 12,128,137 ⤷  Start Trial Y ⤷  Start Trial
Bausch ARAZLO tazarotene LOTION;TOPICAL 211882-001 Dec 18, 2019 RX Yes Yes 11,679,116 ⤷  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

Supplementary Protection Certificates for ARAZLO

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
0284288 SPC/GB98/002 United Kingdom ⤷  Start Trial PRODUCT NAME: TAZAROTENE : ETHYL 6-(2-(4,4-DIMETHYLTHIOCHROMAN-6-YL) ETHYNYL) NICOTINOATE; REGISTERED: DE 37393.00.00 19961203; DE 37393.01.00 19961203; UK 00426/0097 19970730; UK 00426/0096 19970730
1304992 474 Finland ⤷  Start Trial
1304992 SPC/GB13/061 United Kingdom ⤷  Start Trial PRODUCT NAME: CLINDAMYCIN PHOSPHATE IN COMBINATION WITH TRETINOIN.; REGISTERED: IE PA1332/043/001 20130322; UK PL15142/0249 20130624
1304992 CR 2013 00053 Denmark ⤷  Start Trial PRODUCT NAME: CLINDAMYCIN (SOM CLINDAMYCIN PHOSPHATE) OG TRETINOIN; NAT. REG. NO/DATE: 48954 20130416; FIRST REG. NO/DATE: IE PA1332/043/001 20130322
1304992 2013C/060 Belgium ⤷  Start Trial PRODUCT NAME: CLINDAMYCINE (ALS CLINDAMYCINE FOSFAAT) EN TRETINOINE; AUTHORISATION NUMBER AND DATE: BE437507 20130506
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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