Last Updated: September 23, 2026

Impax Labs Company Profile

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What is the competitive landscape for IMPAX LABS

IMPAX LABS has one hundred and thirty-nine approved drugs.

There are three tentative approvals on IMPAX LABS drugs.

Summary for Impax Labs

US Patents:	0
Tradenames:	107
Ingredients:	107
NDAs:	139

Drugs and US Patents for Impax Labs

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Impax Labs	DIPHENHYDRAMINE HYDROCHLORIDE	diphenhydramine hydrochloride	CAPSULE;ORAL	080807-001	Approved Prior to Jan 1, 1982		DISCN	No	No		⤷ Start Trial				⤷ Start Trial
Impax Labs	SULFISOXAZOLE	sulfisoxazole	TABLET;ORAL	080109-001	Approved Prior to Jan 1, 1982		DISCN	No	No		⤷ Start Trial				⤷ Start Trial
Impax Labs Inc	METHYLTESTOSTERONE	methyltestosterone	CAPSULE;ORAL	204851-001	Sep 21, 2015	AB	RX	No	Yes		⤷ Start Trial				⤷ Start Trial
Impax Labs Inc	CARVEDILOL PHOSPHATE	carvedilol phosphate	CAPSULE, EXTENDED RELEASE;ORAL	204717-002	May 7, 2018	AB	RX	No	No		⤷ 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

Paragraph IV (Patent) Challenges for IMPAX LABS drugs

Drugname	Dosage	Strength	Tradename	Submissiondate
➤ Subscribe	Delayed-release Tablets	20 mg	➤ Subscribe	2015-06-03

Similar Applicant Names

Applicants may be listed under multiple names.
Here is a list of applicants with similar names.

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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.