Silodosin Patent Expiration

Silodosin is Used for managing the signs and symptoms of benign prostatic hyperplasia (BPH). It was first introduced by Abbvie Inc in its drug Rapaflo on Oct 8, 2008. 14 different companies have introduced drugs containing Silodosin.


Silodosin Patents

Given below is the list of patents protecting Silodosin, 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
Rapaflo US5387603 1,5,7-trisubstituted indoline compounds and salts thereof Dec 01, 2018

(Expired)

Abbvie
Rapaflo US5403847 Use of α1C specific compounds to treat benign prostatic hyperlasia Nov 13, 2012

(Expired)

Abbvie
Rapaflo US5780485 Use of α1c specific compounds to treat benign prostatic hyperplasia Nov 13, 2012

(Expired)

Abbvie
Rapaflo US6015819 Use of alpha-1C specific compounds to treat benign prostatic hyperplasia Nov 13, 2012

(Expired)

Abbvie



Silodosin's Family Patents

Family Patents

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Silodosin Generic API Manufacturers

Several generic applications have been filed for Silodosin. The first generic version for Silodosin was by Chartwell Rx Sciences Llc and was approved on Mar 31, 2017. And the latest generic version is by Torrent Pharmaceuticals Ltd and was approved on Feb 10, 2025.

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