Acetaminophen; Oxycodone Hydrochloride Patent Expiration

Acetaminophen; Oxycodone Hydrochloride is Used for managing acute pain and treating patients with gastric retentive dosage form. It was first introduced by Mallinckrodt Inc in its drug Xartemis Xr on Mar 11, 2014. 38 different companies have introduced drugs containing Acetaminophen; Oxycodone Hydrochloride.


Acetaminophen; Oxycodone Hydrochloride Patents

Given below is the list of patents protecting Acetaminophen; 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
Xartemis Xr US8658631 Combination composition comprising oxycodone and acetaminophen for rapid onset and extended duration of analgesia May 16, 2032 Mallinckrodt Inc
Xartemis Xr US8741885 Gastric retentive extended release pharmaceutical compositions May 16, 2032 Mallinckrodt Inc
Xartemis Xr US8992975 Combination composition comprising oxycodone and acetaminophen for rapid onset and extended duration of analgesia May 16, 2032 Mallinckrodt Inc
Xartemis Xr US9050335 Pharmaceutical compositions for extended release of oxycodone and acetaminophen resulting in a quick onset and prolonged period of analgesia May 16, 2032 Mallinckrodt Inc
Xartemis Xr US9468636 Combination composition comprising oxycodone and acetaminophen for rapid onset and extended duration of analgesia May 16, 2032 Mallinckrodt Inc
Xartemis Xr US8597681 Methods of producing stabilized solid dosage pharmaceutical compositions containing morphinans Dec 21, 2030 Mallinckrodt Inc
Xartemis Xr US8980319 Methods of producing stabilized solid dosage pharmaceutical compositions containing morphinans Dec 21, 2030 Mallinckrodt Inc
Xartemis Xr US8377453 Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic Nov 19, 2029 Mallinckrodt Inc
Xartemis Xr US8372432 Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic Mar 11, 2029 Mallinckrodt Inc
Xartemis Xr US8394408 Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic Mar 11, 2029 Mallinckrodt Inc
Xartemis Xr US8668929 Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic Mar 11, 2029 Mallinckrodt Inc
Xartemis Xr US7976870 Gastric retentive oral dosage form with restricted drug release in the lower gastrointestinal tract Jun 01, 2027 Mallinckrodt Inc
Xartemis Xr US6488962 Tablet shapes to enhance gastric retention of swellable controlled-release oral dosage forms Jun 20, 2020

(Expired)

Mallinckrodt Inc



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 Acetaminophen; Oxycodone Hydrochloride's patents.

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

Activity Date Patent Number
Patent litigations
Expire Patent 14 Aug, 2023 US7976870
Maintenance Fee Reminder Mailed 27 Feb, 2023 US7976870
Expire Patent 10 Jan, 2022 US8597681(Litigated)
Maintenance Fee Reminder Mailed 26 Jul, 2021 US8597681(Litigated)
Expire Patent 19 Apr, 2021 US8394408
Expire Patent 29 Mar, 2021 US8377453
Expire Patent 22 Mar, 2021 US8372432
Expire Patent 23 Nov, 2020 US9468636
Maintenance Fee Reminder Mailed 02 Nov, 2020 US8394408
Maintenance Fee Reminder Mailed 12 Oct, 2020 US8377453


Acetaminophen; Oxycodone Hydrochloride's Family Patents

Family Patents

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Acetaminophen; Oxycodone Hydrochloride Generic API Manufacturers

Several generic applications have been filed for Acetaminophen; Oxycodone Hydrochloride. The first generic version for Acetaminophen; Oxycodone Hydrochloride was by Hikma Pharmaceuticals Usa Inc and was approved on Approved Prior to Jan 1, 1982. And the latest generic version is by Sankalp Lifecare Inc and was approved on Aug 26, 2021.

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