Last Updated: June 24, 2026

EPINEPHRINE Drug Patent Profile


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

Epinephrine is a drug marketed by Armstrong Pharms, Am Regent, Amneal, Baxter Hlthcare Corp, Bpi Labs, Fresenius Kabi Usa, Gland, Intl Medication Sys, Hospira, and Teva Pharms Usa. and is included in sixteen NDAs. There is one patent protecting this drug and one Paragraph IV challenge.

The generic ingredient in EPINEPHRINE is epinephrine bitartrate. There are twenty-one drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the epinephrine bitartrate profile page.

DrugPatentWatch® Generic Entry Outlook for Epinephrine

Annual sales in 2022 were $454mm indicating the motivation for generic entry (peak sales were $610mm in 2019).

There have been thirty-two patent litigation cases involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.

There is one tentative approval for the generic drug (epinephrine bitartrate), which indicates the potential for near-term generic launch.

Indicators of Generic Entry

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Paragraph IV (Patent) Challenges for EPINEPHRINE
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
NEFFY Nasal Spray epinephrine 1 mg/spray 214697 1 2025-12-29
NEFFY Nasal Spray epinephrine 2 mg/spray 214697 1 2025-06-30
EPINEPHRINE Injection epinephrine 1 mg/mL 205029 1 2020-08-13
ADRENALIN Injection epinephrine 30 mg/30 mL 204640 1 2018-08-20
ADRENALIN Injection epinephrine 1 mg/mL ampules 204200 1 2016-03-09
EPIPEN JR. Injection (Auto- injector) epinephrine 0.15 mg/0.3 mL and 0.3 mg/0.3 mL 019430 1 2009-07-20

US Patents and Regulatory Information for EPINEPHRINE

EPINEPHRINE is protected by one US patents.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Armstrong Pharms EPINEPHRINE epinephrine AEROSOL, METERED;INHALATION 087907-001 May 23, 1984 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Bpi Labs EPINEPHRINE epinephrine SOLUTION;INTRAVENOUS, INTRAOCULAR, INTRAMUSCULAR, SUBCUTANEOUS 205029-001 Jul 29, 2014 AP RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Baxter Hlthcare Corp EPINEPHRINE BITARTRATE IN 0.9% SODIUM CHLORIDE epinephrine bitartrate SOLUTION;INTRAVENOUS 218475-001 Feb 28, 2025 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Baxter Hlthcare Corp EPINEPHRINE epinephrine SOLUTION;INTRAMUSCULAR, INTRAVENOUS, SUBCUTANEOUS 220626-002 Mar 30, 2026 RX Yes Yes ⤷  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.