Esomeprazole Magnesium Patent Expiration

Esomeprazole Magnesium was first introduced by Astrazeneca Pharmaceuticals Lp in its drug Nexium on Feb 20, 2001. Other drugs containing Esomeprazole Magnesium are Nexium 24Hr, Esomeprazole Magnesium. 33 different companies have introduced drugs containing Esomeprazole Magnesium.


Esomeprazole Magnesium Patents

Given below is the list of patents protecting Esomeprazole Magnesium, 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
Esomeprazole Magnesium US10076494 Stable orally disintegrating pharmaceutical compositions Dec 08, 2036 Dexcel
Esomeprazole Magnesium US10835488 Stable orally disintegrating pharmaceutical compositions Dec 08, 2036 Dexcel
Nexium US6428810

(Pediatric)

Pharmaceutical formulation comprising omeprazole May 03, 2020

(Expired)

Astrazeneca
Nexium 24hr US6428810

(Pediatric)

Pharmaceutical formulation comprising omeprazole May 03, 2020

(Expired)

Astrazeneca Lp
Nexium US6428810 Pharmaceutical formulation comprising omeprazole Nov 03, 2019

(Expired)

Astrazeneca
Nexium 24hr US6428810 Pharmaceutical formulation comprising omeprazole Nov 03, 2019

(Expired)

Astrazeneca Lp
Nexium US6147103

(Pediatric)

Omeprazole process and compositions thereof Apr 09, 2019

(Expired)

Astrazeneca
Nexium US6166213

(Pediatric)

Omeprazole process and compositions thereof Apr 09, 2019

(Expired)

Astrazeneca
Nexium US6191148

(Pediatric)

Omerazole process and compositions thereof Apr 09, 2019

(Expired)

Astrazeneca
Nexium US6369085

(Pediatric)

Form of S-omeprazole Nov 25, 2018

(Expired)

Astrazeneca
Nexium US7411070

(Pediatric)

Form of S-omeprazole Nov 25, 2018

(Expired)

Astrazeneca
Nexium US8466175

(Pediatric)

Form of S-omeprazole Nov 25, 2018

(Expired)

Astrazeneca
Nexium 24hr US6369085

(Pediatric)

Form of S-omeprazole Nov 25, 2018

(Expired)

Astrazeneca Lp
Nexium 24hr US7411070

(Pediatric)

Form of S-omeprazole Nov 25, 2018

(Expired)

Astrazeneca Lp
Nexium 24hr US7411070

(Pediatric)

Form of S-omeprazole Nov 18, 2018

(Expired)

Astrazeneca Lp
Nexium US6147103 Omeprazole process and compositions thereof Oct 09, 2018

(Expired)

Astrazeneca
Nexium US6166213 Omeprazole process and compositions thereof Oct 09, 2018

(Expired)

Astrazeneca
Nexium US6191148 Omerazole process and compositions thereof Oct 09, 2018

(Expired)

Astrazeneca
Nexium US6369085 Form of S-omeprazole May 25, 2018

(Expired)

Astrazeneca
Nexium US7411070 Form of S-omeprazole May 25, 2018

(Expired)

Astrazeneca
Nexium US8466175 Form of S-omeprazole May 25, 2018

(Expired)

Astrazeneca
Nexium 24hr US6369085 Form of S-omeprazole May 25, 2018

(Expired)

Astrazeneca Lp
Nexium 24hr US7411070 Form of S-omeprazole May 25, 2018

(Expired)

Astrazeneca Lp
Nexium 24hr US7411070 Form of S-omeprazole May 18, 2018

(Expired)

Astrazeneca Lp
Nexium US5900424

(Pediatric)

Omeprazole magnesium salt form Nov 04, 2016

(Expired)

Astrazeneca
Nexium 24hr US5900424

(Pediatric)

Omeprazole magnesium salt form Nov 04, 2016

(Expired)

Astrazeneca Lp
Nexium US5900424 Omeprazole magnesium salt form May 04, 2016

(Expired)

Astrazeneca
Nexium 24hr US5900424 Omeprazole magnesium salt form May 04, 2016

(Expired)

Astrazeneca Lp
Nexium US5714504

(Pediatric)

Compositions Aug 03, 2015

(Expired)

Astrazeneca
Nexium 24hr US5714504

(Pediatric)

Compositions Aug 03, 2015

(Expired)

Astrazeneca Lp
Nexium US5690960

(Pediatric)

Pharmaceutical formulation of omeprazole May 25, 2015

(Expired)

Astrazeneca
Nexium 24hr US5690960

(Pediatric)

Pharmaceutical formulation of omeprazole May 25, 2015

(Expired)

Astrazeneca Lp
Nexium US5714504 Compositions Feb 03, 2015

(Expired)

Astrazeneca
Nexium 24hr US5714504 Compositions Feb 03, 2015

(Expired)

Astrazeneca Lp
Nexium US5877192

(Pediatric)

Method for the treatment of gastric acid-related diseases and production of medication using (-) enantiomer of omeprazole Nov 27, 2014

(Expired)

Astrazeneca
Nexium US6875872

(Pediatric)

Compounds Nov 27, 2014

(Expired)

Astrazeneca
Nexium 24hr US5877192

(Pediatric)

Method for the treatment of gastric acid-related diseases and production of medication using (-) enantiomer of omeprazole Nov 27, 2014

(Expired)

Astrazeneca Lp
Nexium 24hr US6875872

(Pediatric)

Compounds Nov 27, 2014

(Expired)

Astrazeneca Lp
Nexium US5690960 Pharmaceutical formulation of omeprazole Nov 25, 2014

(Expired)

Astrazeneca
Nexium 24hr US5690960 Pharmaceutical formulation of omeprazole Nov 25, 2014

(Expired)

Astrazeneca Lp
Nexium US5877192 Method for the treatment of gastric acid-related diseases and production of medication using (-) enantiomer of omeprazole May 27, 2014

(Expired)

Astrazeneca
Nexium US6875872 Compounds May 27, 2014

(Expired)

Astrazeneca
Nexium 24hr US5877192 Method for the treatment of gastric acid-related diseases and production of medication using (-) enantiomer of omeprazole May 27, 2014

(Expired)

Astrazeneca Lp
Nexium 24hr US6875872 Compounds May 27, 2014

(Expired)

Astrazeneca 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 Esomeprazole Magnesium's patents.

Given below is the list recent legal activities going on the following patents of Esomeprazole Magnesium.

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 4th Year, Large Entity 09 May, 2024 US10835488
Payment of Maintenance Fee, 4th Year, Large Entity 14 Feb, 2022 US10076494
Recordation of Patent Grant Mailed 17 Nov, 2020 US10835488
Patent Issue Date Used in PTA Calculation 17 Nov, 2020 US10835488
Email Notification 29 Oct, 2020 US10835488
Issue Notification Mailed 28 Oct, 2020 US10835488
Email Notification 13 Oct, 2020 US10835488
Mailing Corrected Notice of Allowability 13 Oct, 2020 US10835488
Dispatch to FDC 10 Oct, 2020 US10835488
Corrected Notice of Allowability 07 Oct, 2020 US10835488


Esomeprazole Magnesium's Family Patents

Family Patents

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Esomeprazole Magnesium Generic API Manufacturers

Several generic applications have been filed for Esomeprazole Magnesium. The first generic version for Esomeprazole Magnesium was by Ivax Pharmaceuticals Inc Sub Teva Pharmaceuticals Usa and was approved on Jan 26, 2015. And the latest generic version is by Aurobindo Pharma Ltd and was approved on Apr 15, 2025.

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