OPVEE Drug Patent Profile

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

Opvee is a drug marketed by Indivior and is included in one NDA. There is one patent protecting this drug.

This drug has twelve patent family members in eight countries.

The generic ingredient in OPVEE is nalmefene hydrochloride. There are four drug master file entries for this compound. Three suppliers are listed for this compound. Additional details are available on the nalmefene hydrochloride profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Opvee

A generic version of OPVEE was approved as nalmefene hydrochloride by PURDUE PHARMA LP on February 8^th, 2022.

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Summary for OPVEE

International Patents:	12
US Patents:	1
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	1
Formulation / Manufacturing:	see details
Drug Prices:	Drug price information for OPVEE
What excipients (inactive ingredients) are in OPVEE?	OPVEE excipients list
DailyMed Link:	OPVEE at DailyMed

Drug patent expirations by year for OPVEE

Pharmacology for OPVEE

Drug Class	Opioid Antagonist
Mechanism of Action	Opioid Antagonists

US Patents and Regulatory Information for OPVEE

OPVEE is protected by one US patents and one FDA Regulatory Exclusivity.

Patents protecting OPVEE

Patent Number: ⤷ Sign Up
Patent Expiration: ⤷ Sign Up
Patented Use: TREATING OPIOID OVERDOSE

FDA Regulatory Exclusivity protecting OPVEE

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Exclusivity Expiration: ⤷ Sign Up

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Glossary

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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
Indivior	OPVEE	nalmefene hydrochloride	SPRAY;NASAL	217470-001	May 22, 2023		RX	Yes	Yes	⤷ Sign Up	⤷ Sign Up	Y			⤷ Sign Up
Indivior	OPVEE	nalmefene hydrochloride	SPRAY;NASAL	217470-001	May 22, 2023		RX	Yes	Yes	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
>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 OPVEE

See the table below for patents covering OPVEE around the world.

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Country	Patent Number	Title	Estimated Expiration
Japan	2023140359	オピオイド過剰摂取を処置するための組成物および方法 (COMPOSITIONS AND METHODS FOR TREATMENT OF OPIOID OVERDOSE)	⤷ Sign Up
China	110139651	用于治疗阿片样物质过量的组合物和方法 (COMPOSITIONS AND METHODS FOR THE TREATMENT OF OPIOID OVERDOSE)	⤷ Sign Up
European Patent Office	3541386	COMPOSITIONS ET MÉTHODES DE TRAITEMENT D'UNE PRISE EXCESSIVE D'OPIOÏDES (COMPOSITIONS AND METHODS FOR THE TREATMENT OF OPIOID OVERDOSE)	⤷ Sign Up
Australia	2017360910	Compositions and methods for the treatment of opioid overdose	⤷ Sign Up
>Country	>Patent Number	>Title	>Estimated Expiration