Amlodipine Besylate Patent Expiration

Amlodipine Besylate was first introduced by Viatris Specialty Llc in its drug Norvasc on Jul 31, 1992. Other drugs containing Amlodipine Besylate are Norliqva, Amlodipine Besylate, Sdamlo. 39 different companies have introduced drugs containing Amlodipine Besylate.


Amlodipine Besylate Patents

Given below is the list of patents protecting Amlodipine Besylate, 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
Norliqva US11253474 Pharmaceutical solution of amlodipine Feb 24, 2041 Cmp Dev Llc
Norliqva US11458095 Pharmaceutical solution of amlodipine Feb 24, 2041 Cmp Dev Llc
Norliqva US11723866 Pharmaceutical solution of amlodipine Feb 24, 2041 Cmp Dev Llc
Norliqva US12005141 Pharmaceutical solution of amlodipine Feb 24, 2041 Cmp Dev Llc
Norliqva US12226528 Pharmaceutical solution of amlodipine Feb 24, 2041 Cmp Dev Llc
Amlodipine Besylate US6828339 Amlodipine salt forms and processes for preparing them Nov 20, 2022

(Expired)

Synthon Pharms



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 Amlodipine Besylate's patents.

Given below is the list recent legal activities going on the following patents of Amlodipine Besylate.

Activity Date Patent Number
Patent litigations
Expire Patent 07 Jan, 2013 US6828339
Change in Power of Attorney (May Include Associate POA) 16 Apr, 2007 US6828339
Correspondence Address Change 16 Apr, 2007 US6828339
Correspondence Address Change 09 Mar, 2005 US6828339
Recordation of Patent Grant Mailed 07 Dec, 2004 US6828339
Patent Issue Date Used in PTA Calculation 07 Dec, 2004 US6828339
Issue Notification Mailed 18 Nov, 2004 US6828339
Receipt into Pubs 15 Nov, 2004 US6828339
Dispatch to FDC 11 Nov, 2004 US6828339
Receipt into Pubs 05 Nov, 2004 US6828339


Amlodipine Besylate's Family Patents

Family Patents

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Amlodipine Besylate Generic API Manufacturers

Several generic applications have been filed for Amlodipine Besylate. The first generic version for Amlodipine Besylate was by Mylan Pharmaceuticals Inc and was approved on Oct 3, 2005. And the latest generic version is by Sunshine Lake Pharma Co Ltd and was approved on May 4, 2018.

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