Guanfacine Hydrochloride Patent Expiration
Guanfacine Hydrochloride is Used for treating attention-deficit hyperactivity disorder. It was first introduced by Promius Pharma Llc
Guanfacine Hydrochloride Patents
Given below is the list of patents protecting Guanfacine Hydrochloride, 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 |
---|---|---|---|---|
Intuniv |
US6811794 (Pediatric) | Sustained release pharmaceutical dosage forms with minimized pH dependent dissolution profiles |
Jan 04, 2023
(Expired) | Takeda Pharms Usa |
Intuniv | US6811794 | Sustained release pharmaceutical dosage forms with minimized pH dependent dissolution profiles |
Jul 04, 2022
(Expired) | Takeda Pharms Usa |
Intuniv |
US6287599 (Pediatric) | Sustained release pharmaceutical dosage forms with minimized pH dependent dissolution profiles |
Jun 20, 2021
(Expired) | Takeda Pharms Usa |
Intuniv | US6287599 | Sustained release pharmaceutical dosage forms with minimized pH dependent dissolution profiles |
Dec 20, 2020
(Expired) | Takeda Pharms Usa |
Intuniv |
US5854290 (Pediatric) | Use of guanfacine in the treatment of behavioral disorders |
Mar 21, 2016
(Expired) | Takeda Pharms Usa |
Intuniv | US5854290 | Use of guanfacine in the treatment of behavioral disorders |
Sep 21, 2015
(Expired) | Takeda Pharms Usa |
Guanfacine Hydrochloride's Family Patents

Explore Our Curated Drug Screens
Drugs Generating Over $1 Billion in Annual Revenue
Explore the top-performing drugs that dominate the pharmaceutical industry
View List
NCE-1 Patent Expiry in the Next 1 Year
Identify opportunities as new chemical entity (NCE-1) patents approach expiry
View List
Recently Granted Patents in EP
Find the opportunity to file Oppositions
View List