Last Updated: June 27, 2026

QUINIDINE Drug Patent Profile


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

Quinidine is a drug marketed by Lilly, Ani Pharms, Ascot, Cycle, Halsey, Hibrow Hlthcare, Rising, Sun Pharm Industries, Superpharm, Watson Labs, Cosette, Barr, Chartwell Molecular, Chartwell Rx, Contract Pharmacal, Dava Pharms Inc, Elkins Sinn, Epic Pharma Llc, Everylife, Hikma, Impax Labs, Ivax Sub Teva Pharms, King Pharms, Kv Pharm, Lederle, Perrigo, Pharmavite, Purepac Pharm, Sandoz, Scherer Labs, Usl Pharma, Valeant Pharm Intl, Vangard, Vintage Pharms, Warner Chilcott, and Whiteworth Town Plsn. and is included in fifty NDAs.

The generic ingredient in QUINIDINE is quinidine sulfate. There are twenty-seven drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the quinidine sulfate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Quinidine

A generic version of QUINIDINE was approved as quinidine sulfate by EPIC PHARMA LLC on September 26th, 1983.

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Summary for QUINIDINE
US Patents:0
Applicants:36
NDAs:50
Drug Prices: Drug price information for QUINIDINE
DailyMed Link:QUINIDINE at DailyMed

US Patents and Regulatory Information for QUINIDINE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Superpharm QUINIDINE SULFATE quinidine sulfate TABLET;ORAL 088973-001 Apr 10, 1985 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Perrigo QUINIDINE SULFATE quinidine sulfate TABLET;ORAL 085322-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Watson Labs QUINIDINE SULFATE quinidine sulfate TABLET;ORAL 085140-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Vintage Pharms QUINIDINE SULFATE quinidine sulfate TABLET;ORAL 083963-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Watson Labs QUINIDINE SULFATE quinidine sulfate TABLET;ORAL 085583-001 Approved Prior to Jan 1, 1982 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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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.