Last Updated: June 26, 2026

IMIPRAMINE Drug Patent Profile


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

Imipramine is a drug marketed by Novartis, Chartwell, Leading, Lederle, Oxford Pharms, Par Pharm, Roxane, Sandoz, Specgx Llc, Strides Pharma Intl, Sun Pharm Industries, Teva, Usl Pharma, Vangard, Watson Labs, West Ward, Hikma, Lupin Ltd, and Rising. and is included in thirty-nine NDAs.

The generic ingredient in IMIPRAMINE is imipramine pamoate. There are thirty-four drug master file entries for this compound. Two suppliers are listed for this compound. Additional details are available on the imipramine pamoate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Imipramine

A generic version of IMIPRAMINE was approved as imipramine pamoate by HIKMA on April 16th, 2010.

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Summary for IMIPRAMINE
US Patents:0
Applicants:19
NDAs:39
Drug Prices: Drug price information for IMIPRAMINE
DailyMed Link:IMIPRAMINE at DailyMed

US Patents and Regulatory Information for IMIPRAMINE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Watson Labs IMIPRAMINE HYDROCHLORIDE imipramine hydrochloride TABLET;ORAL 085875-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Sun Pharm Industries IMIPRAMINE HYDROCHLORIDE imipramine hydrochloride TABLET;ORAL 081050-001 Jun 5, 1990 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Hikma IMIPRAMINE PAMOATE imipramine pamoate CAPSULE;ORAL 091099-002 Apr 16, 2010 AB RX 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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