Nevirapine Patent Expiration

Nevirapine is Used for managing HIV-1 infection through once-daily administration. It was first introduced by Boehringer Ingelheim Pharmaceuticals Inc in its drug Viramune on Jun 21, 1996. Another drug containing Nevirapine is Viramune Xr. 17 different companies have introduced drugs containing Nevirapine.


Nevirapine Patents

Given below is the list of patents protecting Nevirapine, 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
Viramune Xr US8460704 Extended release formulation of nevirapine Mar 12, 2029 Boehringer Ingelheim



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 Nevirapine's patents.

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

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 8th Year, Large Entity 21 Sep, 2020 US8460704
Post Issue Communication - Certificate of Correction 05 Feb, 2015 US8460704
Email Notification 13 Sep, 2014 US8460704
Mail-Record a Petition Decision of Granted for Patent Term Adjustment after Allowance 10 Sep, 2014 US8460704
Record a Petition Decision of Granted for Patent Term Adjustment after Allowance 09 Sep, 2014 US8460704
Adjustment of PTA Calculation by PTO 05 Sep, 2014 US8460704
Petition Entered 14 Jun, 2013 US8460704
Recordation of Patent Grant Mailed 11 Jun, 2013 US8460704
Patent Issue Date Used in PTA Calculation 11 Jun, 2013 US8460704
Email Notification 23 May, 2013 US8460704


Nevirapine's Family Patents

Family Patents

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Nevirapine Generic API Manufacturers

Several generic applications have been filed for Nevirapine. The first generic version for Nevirapine was by Cipla Ltd and was approved on May 22, 2012. And the latest generic version is by Macleods Pharmaceuticals Ltd and was approved on Jan 14, 2019.

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