Oxymorphone Hydrochloride Patent Expiration

Oxymorphone Hydrochloride is Used for managing moderate to severe pain. It was first introduced by Endo Pharmaceuticals Inc in its drug Numorphan on Approved Prior to Jan 1, 1982. Other drugs containing Oxymorphone Hydrochloride are Opana Er, Opana. 13 different companies have introduced drugs containing Oxymorphone Hydrochloride.


Oxymorphone Hydrochloride Patents

Given below is the list of patents protecting Oxymorphone 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
Opana Er US8871779 Process for preparing morphinan-6-one products with low levels of α,β-unsaturated ketone compounds Nov 22, 2029 Endo Operations
Opana Er US8871779 Process for preparing morphinan-6-one products with low levels of α,β-unsaturated ketone compounds Nov 22, 2029 Endo Pharms
Opana Er US7851482 Method for making analgesics Jul 10, 2029 Endo Pharms
Opana Er US8808737 Method of treating pain utilizing controlled release oxymorphone pharmaceutical compositions and instruction on dosing for renal impairment Jun 21, 2027 Endo Operations
Opana Er US8808737 Method of treating pain utilizing controlled release oxymorphone pharmaceutical compositions and instruction on dosing for renal impairment Jun 21, 2027 Endo Pharms
Opana Er US8192722 Abuse-proof dosage form Sep 15, 2025 Endo Pharms
Opana Er US8114383 Abuse-proofed dosage form Aug 08, 2024

(Expired)

Endo Pharms
Opana Er US8075872 Abuse-proofed dosage form Nov 20, 2023

(Expired)

Endo Pharms
Opana Er US8309060 Abuse-proofed dosage form Nov 20, 2023

(Expired)

Endo Pharms
Opana Er US7276250 Sustained release formulations of oxymorphone Feb 04, 2023

(Expired)

Endo Operations
Opana Er US8309112 Coatings for implantable medical devices comprising hydrophilic substances and methods for fabricating the same Feb 04, 2023

(Expired)

Endo Operations
Opana Er US8309122 Oxymorphone controlled release formulations Feb 04, 2023

(Expired)

Endo Pharms
Opana Er US8329216 Oxymorphone controlled release formulations Feb 04, 2023

(Expired)

Endo Operations
Opana Er US8329216 Oxymorphone controlled release formulations Feb 04, 2023

(Expired)

Endo Pharms
Opana Er US5662933 Controlled release formulation (albuterol) Sep 09, 2013

(Expired)

Endo Operations
Opana Er US5958456 Controlled release formulation (albuterol) Sep 09, 2013

(Expired)

Endo Operations



Oxymorphone Hydrochloride's Family Patents

Family Patents

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Oxymorphone Hydrochloride Generic API Manufacturers

Several generic applications have been filed for Oxymorphone Hydrochloride. The first generic version for Oxymorphone Hydrochloride was by Impax Laboratories Inc and was approved on Jun 14, 2010. And the latest generic version is by Ascent Pharmaceuticals Inc and was approved on Feb 2, 2018.

Given below is the list of companies who have filed for Oxymorphone Hydrochloride generic, along with the locations of their manufacturing plants worldwide.