Last Updated: June 11, 2026

DILTIAZEM Drug Patent Profile


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When do Diltiazem patents expire, and when can generic versions of Diltiazem launch?

Diltiazem is a drug marketed by Accord Hlthcare, Actavis Elizabeth, Actavis Labs Fl Inc, Alembic, Apotex, Biovail, Chartwell Rx, Dr Reddys Labs Sa, Glenmark Pharms Ltd, Macleods Pharms Ltd, Mylan, Nesher Pharms, Novast Labs, Ph Health, Pharmobedient, Sun Pharm, Teva, Twi Pharms, Utopic Pharms, Valeant Pharms North, Zydus Pharms, Dr Reddys, Eugia Pharma, Hikma, Hikma Farmaceutica, Hospira, Intl Medication, Mylan Labs Ltd, Rising, Sagent, Amta, Sciegen Pharms, Apothecon, Chartwell Molecules, Edenbridge Pharms, Ivax Sub Teva Pharms, Teva Pharms, Zydus Lifesciences, Hq Spclt Pharma, and Exela Pharma. and is included in fifty-eight NDAs.

The generic ingredient in DILTIAZEM is diltiazem hydrochloride. There are twenty-six drug master file entries for this compound. Fifty-four suppliers are listed for this compound. Additional details are available on the diltiazem hydrochloride profile page.

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US Patents and Regulatory Information for DILTIAZEM

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Sun Pharm DILTIAZEM HYDROCHLORIDE diltiazem hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 203023-001 Jun 8, 2017 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Utopic Pharms DILTIAZEM HYDROCHLORIDE diltiazem hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 216304-003 Aug 8, 2022 AB2 RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Macleods Pharms Ltd DILTIAZEM HYDROCHLORIDE diltiazem hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 218744-002 Feb 27, 2026 AB3 RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Chartwell Rx DILTIAZEM HYDROCHLORIDE diltiazem hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 091022-005 Sep 28, 2012 AB4 RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Rising DILTIAZEM HYDROCHLORIDE diltiazem hydrochloride TABLET;ORAL 072838-003 Nov 5, 1992 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Chartwell Molecules DILTIAZEM HYDROCHLORIDE diltiazem hydrochloride TABLET;ORAL 074093-004 Nov 5, 1992 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Teva DILTIAZEM HYDROCHLORIDE diltiazem hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 074079-002 Nov 30, 1993 DISCN No 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
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