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 are two patents protecting this drug and one Paragraph IV challenge.
This drug has twenty patent family members in nine 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 8th, 2022.
AI Deep Research
Questions you can ask:
- What is the 5 year forecast for OPVEE?
- What are the global sales for OPVEE?
- What is Average Wholesale Price for OPVEE?
Summary for OPVEE
| International Patents: | 20 |
| US Patents: | 2 |
| Applicants: | 1 |
| NDAs: | 1 |
| Finished Product Suppliers / Packagers: | 1 |
| Drug Prices: | Drug price information for OPVEE |
| Patent Litigation and PTAB cases: | See patent lawsuits and PTAB cases for OPVEE |
| What excipients (inactive ingredients) are in OPVEE? | OPVEE excipients list |
| DailyMed Link: | OPVEE at DailyMed |

Pharmacology for OPVEE
| Drug Class | Opioid Antagonist |
| Mechanism of Action | Opioid Antagonists |
Paragraph IV (Patent) Challenges for OPVEE
| Tradename | Dosage | Ingredient | Strength | NDA | ANDAs Submitted | Submissiondate |
|---|---|---|---|---|---|---|
| OPVEE | Nasal Spray | nalmefene hydrochloride | 2.7 mg/spray | 217470 | 1 | 2025-04-07 |
US Patents and Regulatory Information for OPVEE
OPVEE is protected by two US patents and one FDA Regulatory Exclusivity.
| 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 | 12,290,596 | ⤷ Start Trial | ⤷ Start Trial | ||||
| Indivior | OPVEE | nalmefene hydrochloride | SPRAY;NASAL | 217470-001 | May 22, 2023 | RX | Yes | Yes | 11,458,091 | ⤷ Start Trial | Y | ⤷ Start Trial | |||
| Indivior | OPVEE | nalmefene hydrochloride | SPRAY;NASAL | 217470-001 | May 22, 2023 | 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 |
International Patents for OPVEE
See the table below for patents covering OPVEE around the world.
| Country | Patent Number | Title | Estimated Expiration |
|---|---|---|---|
| Canada | 3227828 | ⤷ Start Trial | |
| Israel | 266674 | ⤷ Start Trial | |
| Australia | 2017360910 | ⤷ Start Trial | |
| Japan | 2023140359 | ⤷ Start Trial | |
| Mexico | 2024001659 | ⤷ Start Trial | |
| European Patent Office | 4380570 | ⤷ Start Trial | |
| Canada | 3044221 | ⤷ Start Trial | |
| >Country | >Patent Number | >Title | >Estimated Expiration |
Market Dynamics and Financial Trajectory for OPVEE
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