Naloxone Hydrochloride; Oxycodone Hydrochloride Patent Expiration

Naloxone Hydrochloride; Oxycodone Hydrochloride is Used for managing severe chronic pain when alternative treatment options are inadequate, requiring daily, around-the-clock, long-term opioid treatment. It was first introduced by Purdue Pharma Lp in its drug Targiniq on Jul 23, 2014.


Naloxone Hydrochloride; Oxycodone Hydrochloride Patents

Given below is the list of patents protecting Naloxone Hydrochloride; Oxycodone 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
Targiniq US6277384 Opioid agonist/antagonist combinations Dec 22, 2018

(Expired)

Purdue Pharma Lp
Targiniq US6696066 Opioid agonist/antagonist combinations Dec 22, 2018

(Expired)

Purdue Pharma Lp
Targiniq US7674799 Oxycodone hydrochloride having less than 25 ppm 14-hydroxycodeinone Mar 30, 2025 Purdue Pharma Lp
Targiniq US7674800 Oxycodone hydrochloride having less than 25 PPM 14-hydroxycodeinone Mar 30, 2025 Purdue Pharma Lp
Targiniq US7683072 Oxycodone hydrochloride having less than 25 ppm 14-hydroxycodeinone Mar 30, 2025 Purdue Pharma Lp
Targiniq US8673355 Opioid agonist/antagonist combinations Dec 22, 2018

(Expired)

Purdue Pharma Lp
Targiniq US8822487 Opioid agonist/opioid antagonist/acetaminophen combinations Dec 22, 2018

(Expired)

Purdue Pharma Lp
Targiniq US8846090 Matrix for sustained, invariant and independent release of active compounds Apr 04, 2023

(Expired)

Purdue Pharma Lp
Targiniq US8846091 Matrix for sustained, invariant and independent release of active compounds Apr 04, 2023

(Expired)

Purdue Pharma Lp
Targiniq US8969369 Abuse-resistant controlled-release opioid dosage form May 10, 2022

(Expired)

Purdue Pharma Lp
Targiniq US9056051 Abuse-resistant controlled-release opioid dosage form May 10, 2022

(Expired)

Purdue Pharma Lp
Targiniq US9073933 Oxycodone hydrochloride having less than 25 PPM 14-hydroxycodeinone Mar 30, 2025 Purdue Pharma Lp
Targiniq US9084729 Abuse-resistant controlled-release opioid dosage form May 10, 2022

(Expired)

Purdue Pharma Lp
Targiniq US9161937 Abuse-resistant controlled-release opioid dosage form May 10, 2022

(Expired)

Purdue Pharma Lp
Targiniq US9168252 Abuse-resistant controlled-release opioid dosage form May 10, 2022

(Expired)

Purdue Pharma Lp
Targiniq US9205082 Opioid agonist/antagonist combinations Dec 22, 2018

(Expired)

Purdue Pharma Lp
Targiniq US9283216 Abuse-resistant controlled-release opioid dosage form May 10, 2022

(Expired)

Purdue Pharma Lp
Targiniq US9283221 Abuse-resistant controlled-release opioid dosage form May 10, 2022

(Expired)

Purdue Pharma Lp
Targiniq US9345701 Abuse-resistant controlled-release opioid dosage form May 10, 2022

(Expired)

Purdue Pharma Lp
Targiniq US9474750 Opioid agonist/opioid antagonist/acetaminophen combinations Dec 22, 2018

(Expired)

Purdue Pharma Lp
Targiniq US9511066 Abuse-resistant controlled-release opioid dosage form May 10, 2022

(Expired)

Purdue Pharma Lp
Targiniq US9522919 Oxycodone compositions Mar 30, 2025 Purdue Pharma Lp
Targiniq US9555000 Pharmaceutical preparation containing oxycodone and naloxone Apr 04, 2023

(Expired)

Purdue Pharma Lp
Targiniq US9907793 Pharmaceutical preparation containing oxycodone and naloxone Apr 04, 2023

(Expired)

Purdue Pharma Lp


A patent's expiry date may change depending upon legal activities going on that patent. Critical activities like abandoning of a patent, term extension of a patent or amendment of its claims can increase or decrease the life of a patent hence affecting its expiry date and in turn affecting the generic launch date of that drug. Tracking these ongoing activities on a patent application helps to keep an eye on the latest developments in the patent process of the drug which can give an idea of how early a drug's generic could be available. The next section provides a list of recent legal activities on Naloxone Hydrochloride; Oxycodone Hydrochloride's patents.

Given below is the list recent legal activities going on the following patents of Naloxone Hydrochloride; Oxycodone Hydrochloride.

Event Date Patent/Publication
Patent litigations
Expire Patent 01 Jul, 2024 US9345701
Expire Patent 22 Apr, 2024 US9283221
Expire Patent 22 Apr, 2024 US9283216
Maintenance Fee Reminder Mailed 15 Jan, 2024 US9345701
Expire Patent 04 Dec, 2023 US9168252
Expire Patent 27 Nov, 2023 US9161937
Maintenance Fee Reminder Mailed 06 Nov, 2023 US9283216
Maintenance Fee Reminder Mailed 06 Nov, 2023 US9283221
Expire Patent 28 Aug, 2023 US9084729
Expire Patent 24 Jul, 2023 US9056051



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