Pitolisant Hydrochloride Patent Expiration

Pitolisant Hydrochloride is Used for treating cataplexy in patients with narcolepsy. It was first introduced by Harmony Biosciences Llc in its drug Wakix on Aug 14, 2019.


Pitolisant Hydrochloride Patents

Given below is the list of patents protecting Pitolisant 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
Wakix US7169928 Non-imidazole alkylamines as histamine H3-receptor ligands and their therapeutic applications Feb 02, 2020

(Expired)

Harmony
Wakix US7910605 Non-imidazole alkylamines as histamine H3- receptor ligands and their therapeutic applications Sep 23, 2022

(Expired)

Harmony
Wakix US8207197 Monohydrochloride salt of 1-[3-[3-(4-chlorophenyl) propoxy] propyl] -piperidine Mar 07, 2030 Harmony
Wakix US8354430 Monohydrochloride salt of 1-[3-[3-(4-chlorophenyl) propoxy]propyl]-piperidine Feb 06, 2026 Harmony
Wakix US8486947 Treatment of Parkinson's disease, obstructive sleep apnea, dementia with Lewy bodies, vascular dementia with non-imidazole alkylamines histamine H3-receptor ligands Sep 26, 2029 Harmony


A patent's expiry date may change depending upon legal activities going on that patent. Critical activities like abandoning of a patent, term extension of a patent or amendment of its claims can increase or decrease the life of a patent hence affecting its expiry date and in turn affecting the generic launch date of that drug. Tracking these ongoing activities on a patent application helps to keep an eye on the latest developments in the patent process of the drug which can give an idea of how early a drug's generic could be available. The next section provides a list of recent legal activities on Pitolisant Hydrochloride's patents.

Given below is the list recent legal activities going on the following patents of Pitolisant Hydrochloride.

Event Date Patent/Publication
Patent litigations
Payment of Maintenance Fee, 12th Yr, Small Entity 15 Jul, 2024 US8354430
Payment of Maintenance Fee, 12th Yr, Small Entity 21 Dec, 2023 US8207197
Email Notification 08 Aug, 2023 US8207197
Electronic Review 08 Aug, 2023 US8207197
Change in Power of Attorney (May Include Associate POA) 08 Aug, 2023 US8207197
Expire Patent 24 Apr, 2023 US7910605
Maintenance Fee Reminder Mailed 07 Nov, 2022 US7910605
Patent Term Extension Certificate 06 Oct, 2022 US8207197
Withdrawal of Application for PTE 30 Aug, 2022 US8486947
Notice of Final Determination -Election Required 11 Jul, 2022 US8486947



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