Last Updated: September 24, 2026

SULAR Drug Patent Profile


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When do Sular patents expire, and what generic alternatives are available?

Sular is a drug marketed by Azurity and is included in one NDA.

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

DrugPatentWatch® Litigation and Generic Entry Outlook for Sular

A generic version of SULAR was approved as nisoldipine by AMTA on April 10th, 2023.

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Summary for SULAR
Pharmacology for SULAR
Paragraph IV (Patent) Challenges for SULAR
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
SULAR Extended-release Tablets nisoldipine 8.5 mg and 17 mg 020356 1 2009-03-02
SULAR Extended-release Tablets nisoldipine 25.5 mg and 34 mg 020356 1 2008-11-28
SULAR Extended-release Tablets nisoldipine 20 mg and 30 mg 020356 1 2007-11-07
SULAR Extended-release Tablets nisoldipine 40 mg 020356 1 2007-06-11

US Patents and Regulatory Information for SULAR

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Azurity SULAR nisoldipine TABLET, EXTENDED RELEASE;ORAL 020356-008 Jan 2, 2008 AB RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Azurity SULAR nisoldipine TABLET, EXTENDED RELEASE;ORAL 020356-005 Jan 2, 2008 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Azurity SULAR nisoldipine TABLET, EXTENDED RELEASE;ORAL 020356-002 Feb 2, 1995 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Azurity SULAR nisoldipine TABLET, EXTENDED RELEASE;ORAL 020356-004 Feb 2, 1995 DISCN Yes 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

Expired US Patents for SULAR

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Azurity SULAR nisoldipine TABLET, EXTENDED RELEASE;ORAL 020356-005 Jan 2, 2008 ⤷  Start Trial ⤷  Start Trial
Azurity SULAR nisoldipine TABLET, EXTENDED RELEASE;ORAL 020356-008 Jan 2, 2008 ⤷  Start Trial ⤷  Start Trial
Azurity SULAR nisoldipine TABLET, EXTENDED RELEASE;ORAL 020356-002 Feb 2, 1995 ⤷  Start Trial ⤷  Start Trial
Azurity SULAR nisoldipine TABLET, EXTENDED RELEASE;ORAL 020356-006 Jan 2, 2008 ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for SULAR

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

Country Patent Number Title Estimated Expiration
Austria 44650 ⤷  Start Trial
Australia 4840085 ⤷  Start Trial
Canada 1251733 COMBINAISON DE DIHYDROPYRIDINES AVEC DES INHIBITEURS DE L'ENZYME DE CONVERSION DE L'ANGIOTENSINE ET UTILISATION COMME MEDICAMENTS (COMBINATION OF DIHYDROPYRIDINES WITH ACE INHIBITORS AND THEIR USE IN MEDICAMENTS) ⤷  Start Trial
German Democratic Republic 239525 VERFAHREN ZUR HERSTELLUNG EINER KOMBINATION VON DIHYDROPYRIDENEN MIT ACE-HEMMERN ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

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