Last Updated: August 3, 2026

DIETHYLPROPION HYDROCHLORIDE Drug Patent Profile

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When do Diethylpropion Hydrochloride patents expire, and when can generic versions of Diethylpropion Hydrochloride launch?

Diethylpropion Hydrochloride is a drug marketed by Lannett Co Inc, Avanthi Inc, Chartwell Rx, Epic Pharma Llc, Sandoz, Teva, Ucb Inc, and Watson Labs. and is included in ten NDAs.

The generic ingredient in DIETHYLPROPION HYDROCHLORIDE is diethylpropion hydrochloride. There are eleven drug master file entries for this compound. Thirteen suppliers are listed for this compound. Additional details are available on the diethylpropion hydrochloride profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Diethylpropion Hydrochloride

A generic version of DIETHYLPROPION HYDROCHLORIDE was approved as diethylpropion hydrochloride by AVANTHI INC on December 22^nd, 2010.

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Summary for DIETHYLPROPION HYDROCHLORIDE

US Patents:	0
Applicants:	8
NDAs:	10

US Patents and Regulatory Information for DIETHYLPROPION HYDROCHLORIDE

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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
Lannett Co Inc	DIETHYLPROPION HYDROCHLORIDE	diethylpropion hydrochloride	TABLET, EXTENDED RELEASE;ORAL	091680-001	Oct 24, 2011		RX	No	Yes	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Sandoz	DIETHYLPROPION HYDROCHLORIDE	diethylpropion hydrochloride	TABLET;ORAL	085916-001	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Chartwell Rx	DIETHYLPROPION HYDROCHLORIDE	diethylpropion hydrochloride	TABLET;ORAL	088268-001	Aug 25, 1983		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Teva	DIETHYLPROPION HYDROCHLORIDE	diethylpropion hydrochloride	TABLET;ORAL	088642-001	Sep 20, 1984		DISCN	No	No	⤷ 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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