Last Updated: June 1, 2026

DEXTROMETHORPHAN Drug Patent Profile


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DrugPatentWatch® Litigation and Generic Entry Outlook for Dextromethorphan

A generic version of DEXTROMETHORPHAN was approved as dextromethorphan polistirex by TRIS PHARMA INC on May 25th, 2012.

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Summary for DEXTROMETHORPHAN
US Patents:0
Applicants:4
NDAs:4
Drug Prices: Drug price information for DEXTROMETHORPHAN
DailyMed Link:DEXTROMETHORPHAN at DailyMed
Drug patent expirations by year for DEXTROMETHORPHAN
Drug Prices for DEXTROMETHORPHAN

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US Patents and Regulatory Information for DEXTROMETHORPHAN

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Actavis Elizabeth DEXTROMETHORPHAN HYDROBROMIDE AND QUINIDINE SULFATE dextromethorphan hydrobromide; quinidine sulfate CAPSULE;ORAL 202934-001 Oct 10, 2017 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Tris Pharma Inc DEXTROMETHORPHAN POLISTIREX dextromethorphan polistirex SUSPENSION, EXTENDED RELEASE;ORAL 091135-001 May 25, 2012 OTC No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Hetero Labs Ltd Iii DEXTROMETHORPHAN HYDROBROMIDE AND QUINIDINE SULFATE dextromethorphan hydrobromide; quinidine sulfate CAPSULE;ORAL 218426-001 Aug 28, 2024 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Amneal DEXTROMETHORPHAN POLISTIREX dextromethorphan polistirex SUSPENSION, EXTENDED RELEASE;ORAL 203133-001 Jul 28, 2017 OTC 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.

 
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Preferred Citation:

Friedman, Yali. "DrugPatentWatch" DrugPatentWatch, thinkBiotech, 2026, www.DrugPatentWatch.com.
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