Last Updated: May 11, 2026

PROAIR HFA Drug Patent Profile


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When do Proair Hfa patents expire, and what generic alternatives are available?

Proair Hfa is a drug marketed by Teva Branded Pharm and is included in one NDA.

The generic ingredient in PROAIR HFA is albuterol sulfate. There are thirty-eight drug master file entries for this compound. Forty-six suppliers are listed for this compound. Additional details are available on the albuterol sulfate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Proair Hfa

A generic version of PROAIR HFA was approved as albuterol sulfate by SUN PHARM INDUSTRIES on December 5th, 1989.

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Recent Clinical Trials for PROAIR HFA

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Wake Forest University Health SciencesEarly Phase 1
Teva Branded Pharmaceutical Products R&D, Inc.Early Phase 1
University of North Carolina, Chapel HillEarly Phase 1

See all PROAIR HFA clinical trials

Pharmacology for PROAIR HFA
Paragraph IV (Patent) Challenges for PROAIR HFA
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
PROAIR HFA Inhalation Aerosol albuterol sulfate 0.09 mg base per actuation 021457 1 2012-05-18

US Patents and Regulatory Information for PROAIR HFA

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Teva Branded Pharm PROAIR HFA albuterol sulfate AEROSOL, METERED;INHALATION 021457-001 Oct 29, 2004 AB2 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

Expired US Patents for PROAIR HFA

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Teva Branded Pharm PROAIR HFA albuterol sulfate AEROSOL, METERED;INHALATION 021457-001 Oct 29, 2004 5,766,573 ⤷  Start Trial
Teva Branded Pharm PROAIR HFA albuterol sulfate AEROSOL, METERED;INHALATION 021457-001 Oct 29, 2004 8,834,849 ⤷  Start Trial
Teva Branded Pharm PROAIR HFA albuterol sulfate AEROSOL, METERED;INHALATION 021457-001 Oct 29, 2004 5,605,674 ⤷  Start Trial
Teva Branded Pharm PROAIR HFA albuterol sulfate AEROSOL, METERED;INHALATION 021457-001 Oct 29, 2004 7,105,152 ⤷  Start Trial
Teva Branded Pharm PROAIR HFA albuterol sulfate AEROSOL, METERED;INHALATION 021457-001 Oct 29, 2004 6,352,684 ⤷  Start Trial
Teva Branded Pharm PROAIR HFA albuterol sulfate AEROSOL, METERED;INHALATION 021457-001 Oct 29, 2004 7,566,445 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for PROAIR HFA

See the table below for patents covering PROAIR HFA around the world.

Country Patent Number Title Estimated Expiration
Eurasian Patent Organization 201300232 ВАЛ ДЛЯ УДЕРЖИВАНИЯ ЛЕНТЫ СЧЕТЧИКА В СЧЕТЧИКЕ ДОЗ, СБОРОЧНЫЙ УЗЕЛ ВАЛА И ЛЕНТЫ СЧЕТЧИКА, СЧЕТЧИК ДОЗ ДЛЯ ИНГАЛЯТОРА И ИНГАЛЯТОР ДЛЯ ВДЫХАНИЯ ЛЕКАРСТВЕННОГО ВЕЩЕСТВА ⤷  Start Trial
Hong Kong 1221920 ⤷  Start Trial
Japan 2013526353 ⤷  Start Trial
Japan 6273242 ⤷  Start Trial
Eurasian Patent Organization 024635 ⤷  Start Trial
Eurasian Patent Organization 026306 СПОСОБ СБОРКИ СЧЕТЧИКА ДОЗ ДЛЯ ИНГАЛЯТОРА И ЛЕНТОЧНАЯ СИСТЕМА (METHOD FOR ASSEMBLY OF A DOSE COUNTER FOR AN INHALER, AND A TAPE SYSTEM) ⤷  Start Trial
>Country >Patent Number >Title >Estimated 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.