Zafirlukast Patent Expiration

Zafirlukast is Used for increasing the absorption of the drug substance in the body. It was first introduced by Strides Pharma Global Pte Ltd in its drug Accolate on Sep 26, 1996. 5 different companies have introduced drugs containing Zafirlukast.


Zafirlukast Patents

Given below is the list of patents protecting Zafirlukast, 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
Accolate US5612367 Method of enhancing bioavailability of pharmaceutical agents Mar 18, 2014

(Expired)

Strides Pharma
Accolate US5482963 Pharmaceutical agents useful as leukotriene antagonists Jan 09, 2013

(Expired)

Strides Pharma



Zafirlukast's Family Patents

Family Patents

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Zafirlukast Generic API Manufacturers

Several generic applications have been filed for Zafirlukast. The first generic version for Zafirlukast was by Dr Reddys Laboratories Ltd and was approved on Nov 18, 2010. And the latest generic version is by Aurobindo Pharma Ltd and was approved on Nov 27, 2023.

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