Nalmefene Hydrochloride Patent Expiration
Nalmefene Hydrochloride is Used for reversing opioid overdose. It was first introduced by Hikma Pharmaceuticals Usa Inc
Nalmefene Hydrochloride Patents
Given below is the list of patents protecting Nalmefene Hydrochloride, along with the drug name that holds that patent and the company name owning that drug.
| Drug Used in | Drug Patent Number | Drug Patent Title | Drug Patent Expiry | Drug Owner |
|---|---|---|---|---|
| Opvee | US12290596 | Compositions and methods for the treatment of opioid overdose | Aug 04, 2042 | Indivior |
| Zurnai (autoinjector) | US11857547 | Compositions and methods for opioid antagonist delivery | Nov 05, 2039 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US11865112 | Compositions and methods for opioid antagonist delivery | Nov 05, 2039 | Purdue Pharma Lp |
| Opvee | US11458091 | Compositions and methods for the treatment of opioid overdose | Jul 10, 2038 | Indivior |
| Zurnai (autoinjector) | US11191908 | Syringe shock absorber for use in an injection device | Oct 18, 2035 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US11813435 | Needle assisted injection device having reduced trigger force | Feb 25, 2035 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US10881798 | Needle assisted injection device having reduced trigger force | Feb 11, 2034 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US11185642 | Injection device with cammed ram assembly | Aug 28, 2031 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US10357609 | Needle assisted jet injection device having reduced trigger force | Aug 21, 2031 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US10905827 | Injection device with cammed ram assembly | Aug 21, 2031 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US11446440 | Needle assisted injection device having reduced trigger force | Aug 21, 2031 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US8496619 | Injection device with cammed ram assembly | Aug 21, 2031 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US9364610 | Injection device with cammed ram assembly | Aug 21, 2031 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US9364611 | Needle assisted jet injection device having reduced trigger force | Aug 21, 2031 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US9446195 | Injection device with cammed ram assembly | Aug 21, 2031 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US10279131 | Injection device with cammed RAM assembly | Jul 31, 2031 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US8021335 | Prefilled syringe jet injector | Oct 04, 2026 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US10478560 | Prefilled syringe injector | Jan 24, 2026 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US11446441 | Prefilled syringe injector | Jan 24, 2026 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US8562564 | Prefilled syringe jet injector | Jan 24, 2026 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US9180259 | Prefilled syringe jet injector | Jan 24, 2026 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US9533102 | Prefilled syringe jet injector | Jan 24, 2026 | Purdue Pharma Lp |
| Zurnai (autoinjector) | US9629959 | Prefilled syringe jet injector | Jan 24, 2026 | Purdue Pharma Lp |
Nalmefene Hydrochloride's Family Patents
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Nalmefene Hydrochloride Generic API Manufacturers
Several generic applications have been filed for Nalmefene Hydrochloride. The first generic version for Nalmefene Hydrochloride was by Purdue Pharma Lp and was approved on Feb 8, 2022. And the latest generic version is by Chengdu Shuode Pharmaceutical Co Ltd and was approved on Nov 15, 2023.
Given below is the list of companies who have filed for Nalmefene Hydrochloride generic, along with the locations of their manufacturing plants worldwide.
1. CHENGDU SHUODE
Chengdu Shuode Pharmaceutical Co Ltd has filed for 2 different strengths of generic version for Nalmefene Hydrochloride. Given below are the details of the strengths of this generic introduced by Chengdu Shuode.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 0.1MG BASE/ML (EQ 0.1MG BASE/ML)
(reference standard) | solution | Prescription | INTRAMUSCULAR, INTRAVENOUS, SUBCUTANEOUS | N/A | Nov 15, 2023 |
| EQ 2MG BASE/2ML (EQ 1MG BASE/ML) | solution | Prescription | INTRAMUSCULAR, INTRAVENOUS, SUBCUTANEOUS | AP | Nov 15, 2023 |
2. PURDUE PHARMA LP
Purdue Pharma Lp has filed for 1 generic for Nalmefene Hydrochloride. Given below are the details of the strengths of this generic introduced by Purdue Pharma Lp.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 2MG BASE/2ML (EQ 1MG BASE/ML)
(reference standard) | solution | Prescription | INTRAMUSCULAR, INTRAVENOUS, SUBCUTANEOUS | AP | Feb 8, 2022 |