Last Updated: November 8, 2026

Details for Patent: 11,571,518

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Which drugs does patent 11,571,518 protect, and when does it expire?

Patent 11,571,518 protects ZIMHI and is included in one NDA.

This patent has ten patent family members in nine countries.

Summary for Patent: 11,571,518
Title:Emergency devices
Abstract:Described herein are syringe devices comprising a syringe including a therapeutic dose of at least one drug to be used in a drug or substance overdose.
Inventor(s):Mark J. Flather, Karen K. Daniels, Thomas Moll
Assignee: Zmi Pharma Inc
Application Number:US16/422,639
Patent Claim Types:
see list of patent claims		Use; Device;

Drugs Protected by US Patent 11,571,518

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Zmi Pharma ZIMHI naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 212854-001 Oct 15, 2021 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y A METHOD FOR ADMINISTERING A THERAPEUTIC DOSE OF AN OPIOID ANTAGONIST COMPRISING AN EMERGENCY SYRINGE DEVICE ⤷  Start Trial
Zmi Pharma ZIMHI naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 212854-001 Oct 15, 2021 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y A METHOD FOR ADMINISTERING A THERAPEUTIC DOSE OF AN OPIOID ANTAGONIST COMPRISING AN EMERGENCY SYRINGE DEVICE INCLUDING A NEEDLE GUARD ⤷  Start Trial
Zmi Pharma ZIMHI naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 212854-001 Oct 15, 2021 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y A METHOD FOR ADMINISTERING A THERAPEUTIC DOSE OF AN OPIOID ANTAGONIST COMPRISING AN EMERGENCY SYRINGE DEVICE INCLUDING A WINDOW CONFIGURED TO ALLOW THE USER TO VIEW THE OPIOID ANTAGONIST IN THE SYRINGE ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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