Last Updated: May 2, 2026

ephedrine sulfate - Profile


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What are the generic drug sources for ephedrine sulfate and what is the scope of patent protection?

Ephedrine sulfate is the generic ingredient in four branded drugs marketed by Exela Pharma, Ph Health, Nexus, Amneal, Caplin, Civica, Dr Reddys, Eugia Pharma, Fresenius Kabi Usa, Gland, Hikma, Mankind Pharma, Renew Pharms, Sagent Pharms Inc, Sandoz, Xiromed, and Zydus Pharms, and is included in twenty-two NDAs. There are seven patents protecting this compound. Additional information is available in the individual branded drug profile pages.

Ephedrine sulfate has fourteen patent family members in nine countries.

There is one tentative approval for this compound.

Summary for ephedrine sulfate
International Patents:14
US Patents:7
Tradenames:4
Applicants:17
NDAs:21
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for ephedrine sulfate
Generic filers with tentative approvals for EPHEDRINE SULFATE
Applicant Application No. Strength Dosage Form
⤷  Start Trial⤷  Start Trial50MG/ML (50MG/ML)SOLUTION;INTRAVENOUS

The 'tentative' approval signifies that the product meets all FDA standards for marketing, and, but for the patents / regulatory protections, it would approved.

Paragraph IV (Patent) Challenges for EPHEDRINE SULFATE
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
EPHEDRINE SULFATE Injection ephedrine sulfate 25 mg/5 mL and 50 mg/10 mL 213994 1 2023-03-17
EMERPHED Injection ephedrine sulfate 50 mg/10 mL 213407 1 2021-10-14

US Patents and Regulatory Information for ephedrine sulfate

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Exela Pharma AKOVAZ ephedrine sulfate SOLUTION;INTRAVENOUS 208289-002 Aug 2, 2021 AP3 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Exela Pharma AKOVAZ ephedrine sulfate SOLUTION;INTRAVENOUS 208289-001 Apr 29, 2016 AP RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Ph Health CORPHEDRA ephedrine sulfate SOLUTION;INTRAVENOUS 208943-001 Jan 27, 2017 AP RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Nexus EMERPHED ephedrine sulfate SOLUTION;INTRAVENOUS 213407-002 Feb 28, 2023 RX Yes Yes 11,571,398 ⤷  Start Trial ⤷  Start Trial
Nexus EMERPHED ephedrine sulfate SOLUTION;INTRAVENOUS 213407-002 Feb 28, 2023 RX Yes Yes 11,464,752 ⤷  Start Trial Y ⤷  Start Trial
Nexus EMERPHED ephedrine sulfate SOLUTION;INTRAVENOUS 213407-001 Apr 17, 2020 AP1 RX Yes Yes 11,478,436 ⤷  Start Trial ⤷  Start Trial
Nexus EMERPHED ephedrine sulfate SOLUTION;INTRAVENOUS 213407-001 Apr 17, 2020 AP1 RX Yes Yes 11,090,278 ⤷  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

International Patents for ephedrine sulfate

Country Patent Number Title Estimated Expiration
South Korea 102675027 ⤷  Start Trial
World Intellectual Property Organization (WIPO) 2020232424 ⤷  Start Trial
Israel 288044 תכשירים המכילים אפהרדין או מלח אפהרדין ושיטות להכנתם ולשימוש בהם (Compositions comprising ephedrine or an ephedrine salt and methods of making and using same) ⤷  Start Trial
Mexico 2021013888 COMPOSICIONES QUE COMPRENDEN EFEDRINA O UNA SAL DE EFEDRINA Y METODOS DE FABRICACION Y USO DE LAS MISMAS. (COMPOSITIONS COMPRISING EPHEDRINE OR AN EPHEDRINE SALT AND METHODS OF MAKING AND USING SAME.) ⤷  Start Trial
South Korea 20220009985 에페드린 또는 에페드린 염을 포함하는 조성물 및 그의 제조 및 사용 방법 ⤷  Start Trial
Japan 2025071269 エフェドリンまたはエフェドリン塩を含む組成物ならびにその組成物を作製する方法および使用する方法 (COMPOSITIONS COMPRISING EPHEDRINE OR EPHEDRINE SALT AND METHODS OF MAKING AND USING THOSE COMPOSITIONS) ⤷  Start Trial
Japan 2025071269 エフェドリンまたはエフェドリン塩を含む組成物ならびにその組成物を作製する方法および使用する方法 (COMPOSITIONS COMPRISING EPHEDRINE OR EPHEDRINE SALT AND METHODS OF MAKING AND USING THOSE COMPOSITIONS) ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for ephedrine sulfate

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1110543 08C0004 France ⤷  Start Trial PRODUCT NAME: DESLORATADINE; PSEUDOEPHEDRINE SULFATE; REGISTRATION NO/DATE: EU/1/07/399/001 20070730
1110543 SPC/GB08/005 United Kingdom ⤷  Start Trial SUPPLEMENTARY PROTECTION CERTIFICATE NO SPC/GB08/005 GRANTED TO MERCK SHARP + DOHME CORP. IN RESPECT OF THE PRODUCT DESLORATADINE OPTIONALLY IN THE FORM OF A PHARMACEUTICALLY ACCEPTABLE SALT, IN COMBINATION WITH PSEUDOEPHEDRINE OPTIONALLY IN THE FORM OF A PHARMACEUTICALLY ACCEPTABLE SALT OR ESTER, THE GRANT OF WHICH WAS ADVERTISED IN JOURNAL NO 6322 DATED 21 JULY 2010 HAS HAD ITS MAXIMUM PERIOD OF DURATION CORRECTED, SUBJECT TO THE PAYMENT OF THE PRESCRIBED FEES IT WILL EXPIRE ON 31 JULY 2022.
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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