Last Updated: June 24, 2026

GUANFACINE Drug Patent Profile


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When do Guanfacine patents expire, and what generic alternatives are available?

Guanfacine is a drug marketed by Actavis Elizabeth, Alembic, Apotex, Fosun Wanbang, Impax Labs Inc, Pharmobedient, Rubicon Research, Sandoz, Sun Pharm, Teva Pharms Usa, Twi Pharms, Unichem, Yichang Humanwell, Aiping Pharm Inc, Ajanta Pharma Ltd, Amneal Pharm, Ascent Pharms Inc, Aurobindo Pharma Usa, Epic Pharma Llc, I 3 Pharms, Watson Labs, and Xiromed. and is included in twenty-five NDAs.

The generic ingredient in GUANFACINE is guanfacine hydrochloride. There are seven drug master file entries for this compound. Thirty-eight suppliers are listed for this compound. Additional details are available on the guanfacine hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Guanfacine

A generic version of GUANFACINE was approved as guanfacine hydrochloride by WATSON LABS on October 17th, 1995.

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US Patents and Regulatory Information for GUANFACINE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Watson Labs GUANFACINE HYDROCHLORIDE guanfacine hydrochloride TABLET;ORAL 074762-001 Jun 25, 1997 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Twi Pharms GUANFACINE HYDROCHLORIDE guanfacine hydrochloride TABLET, EXTENDED RELEASE;ORAL 201408-001 Jun 2, 2015 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Sandoz GUANFACINE HYDROCHLORIDE guanfacine hydrochloride TABLET, EXTENDED RELEASE;ORAL 202568-004 Jun 3, 2015 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Yichang Humanwell GUANFACINE HYDROCHLORIDE guanfacine hydrochloride TABLET, EXTENDED RELEASE;ORAL 213428-001 Nov 25, 2020 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

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