Minoxidil Patent Expiration

Minoxidil is Used for promoting hair regrowth in patients with hair loss. It was first introduced by Pfizer Inc in its drug Loniten on Approved Prior to Jan 1, 1982. Other drugs containing Minoxidil are Rogaine (For Women), Women'S Rogaine, Rogaine (For Men), Rogaine Extra Strength (For Men), Men'S Rogaine. 25 different companies have introduced drugs containing Minoxidil.


Minoxidil Patents

Given below is the list of patents protecting Minoxidil, 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
Men's Rogaine US6946120 Pharmaceutical composition Apr 20, 2019

(Expired)

Kenvue Brands
Women's Rogaine US6946120 Pharmaceutical composition Apr 20, 2019

(Expired)

Kenvue Brands



Minoxidil's Family Patents

Family Patents

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Minoxidil Generic API Manufacturers

Several generic applications have been filed for Minoxidil. The first generic version for Minoxidil was by Watson Laboratories Inc and was approved on Mar 3, 1987. And the latest generic version is by Taro Pharmaceutical Industries Ltd and was approved on Jun 30, 2025.

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


Minoxidil News

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