Fosamprenavir Calcium Patent Expiration

Fosamprenavir Calcium is Used for managing and treating HIV infection. It was first introduced by Viiv Healthcare Co in its drug Lexiva on Oct 20, 2003. 3 different companies have introduced drugs containing Fosamprenavir Calcium.


Fosamprenavir Calcium Patents

Given below is the list of patents protecting Fosamprenavir Calcium, 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
Lexiva US6436989 Prodrugs of aspartyl protease inhibitors Dec 24, 2017

(Expired)

Viiv Hlthcare
Lexiva US6436989

(Pediatric)

Prodrugs of aspartyl protease inhibitors Jun 24, 2018

(Expired)

Viiv Hlthcare
Lexiva US6514953 Calcium (3S) tetrahydro-3-furanyl(1S,2R)-3-[[(4-aminophenyl)sulfonyl](isobutyl)amino]-1-benzyl-2-(phosphonooxy)propylcarbamate Jul 15, 2019

(Expired)

Viiv Hlthcare
Lexiva US6514953

(Pediatric)

Calcium (3S) tetrahydro-3-furanyl(1S,2R)-3-[[(4-aminophenyl)sulfonyl](isobutyl)amino]-1-benzyl-2-(phosphonooxy)propylcarbamate Jan 15, 2020

(Expired)

Viiv Hlthcare



Fosamprenavir Calcium Generics

Several generic applications have been filed for Fosamprenavir Calcium. The first generic version for Fosamprenavir Calcium was by Mylan Pharmaceuticals Inc and was approved on Apr 15, 2016. And the latest generic version is by Sun Pharmaceutical Industries Ltd and was approved on Nov 20, 2019.

Given below is the list of companies who have filed for Fosamprenavir Calcium generic.


1. MYLAN

Mylan Pharmaceuticals Inc has filed for 1 generic for Fosamprenavir Calcium. Given below are the details of the strengths of this generic introduced by Mylan.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 700MG BASE

(reference standard)

tablet Prescription ORAL AB Apr 15, 2016


2. SUN PHARM

Sun Pharmaceutical Industries Ltd has filed for 1 generic for Fosamprenavir Calcium. Given below are the details of the strengths of this generic introduced by Sun Pharm.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 700MG BASE tablet Prescription ORAL AB Nov 20, 2019