Wakix Patent Expiration

Wakix is a drug owned by Harmony Biosciences Llc. It is protected by 5 US drug patents filed in 2019. Out of these, 3 drug patents are active and 2 have expired. Wakix's patents have been open to challenges since 15 August, 2023. Based on its patents and exclusivities, its generic launch date is estimated to be Jun 21, 2031. Details of Wakix's patents and their expiration are given in the table below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
These drug patents protect the active ingredient(API) of the drug. Only drug patent owner can launch products that use this active ingredient until these patents expire.
US8207197 Monohydrochloride salt of 1-[3-[3-(4-chlorophenyl) propoxy] propyl] -piperidine
Mar, 2030

(5 years from now)

Active
US7169928 Non-imidazole alkylamines as histamine H3-receptor ligands and their therapeutic applications
Feb, 2020

(4 years ago)

Expired
These drug patents focus on the other aspects of the drug like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US8486947 Treatment of Parkinson's disease, obstructive sleep apnea, dementia with Lewy bodies, vascular dementia with non-imidazole alkylamines histamine H3-receptor ligands
Sep, 2029

(4 years from now)

Active
US8354430 Monohydrochloride salt of 1-[3-[3-(4-chlorophenyl) propoxy]propyl]-piperidine
Feb, 2026

(1 year, 2 months from now)

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

(2 years ago)

Expired


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 Wakix's patents.

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

Activity Date Patent Number
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


FDA has granted several exclusivities to Wakix. Till the time these exclusivities are active, no other company can market a generic or bioequivalent version of Wakix, regardless of the status of it's patents. These exclusivities hence play a crucial role in delaying the generic launch. Given below are details of the exclusivities granted to Wakix.

Exclusivity Information

Wakix holds 6 exclusivities out of which 2 have expired. Its last outstanding exclusivity is set to expire in 2031. Details of Wakix's exclusivity codes and their expiration dates are given below.


Drug Exclusivity Drug Exclusivity Expiration
New Indication(I-846) Oct 13, 2023
New Chemical Entity Exclusivity(NCE) Aug 14, 2024
Orphan Drug Exclusivity(ODE-255) Aug 14, 2026
New Patient Population(NPP) Jun 21, 2027
Orphan Drug Exclusivity(ODE-331) Oct 13, 2027
Orphan Drug Exclusivity(ODE-489) Jun 21, 2031

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Several oppositions have been filed on Wakix's European patents. EP oppositions can significantly impact the timeline for the generic launch of drugs. If an opposition results in the revocation or amendment of a patent, it can shorten the exclusivity period of the original drug. This can lead to an earlier entry of generic versions into the market. To help you estimate the potential early arrival of Wakix's generic, the next section provides detailed information on ongoing and past EP oppositions related to Wakix patents.

Wakix's Oppositions Filed in EPO

Wakix has faced multiple oppositions in the European Patent Office. The earliest opposition was filed on Feb 27, 2014, by Sölch, Günter. This opposition was filed on patent number EP06744466A. Click below to reveal the latest opposition data.


Application Filing Date Opposition Party Legal Status
Patent litigations
EP06744466A Feb, 2014 Sölch, Günter Patent maintained as amended


US patents provide insights into the exclusivity only within the United States, but Wakix is protected by patents in multiple countries. Understanding the full scope of patent protection is crucial in strategizing market entry. By looking at the broader patent landscape, you can identify markets with weaker patent protection which could be ideal generic entry points. The following section offers details on Wakix's family patents as well as insights into ongoing legal events on those patents.

Wakix's Family Patents

Wakix has patent protection in a total of 32 countries. It's US patent count contributes only to 10.2% of its total global patent coverage. 4 countries have all of their patents expired or invalidated which has opened up potential generic launch opportunities in these countries. Click below to unlock the full patent family tree for Wakix.

Family Patents

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Generic Launch

Generic Release Date:

Wakix's generic launch date based on the last expiry date of its patents and exclusivities combined is estimated to be Jun 21, 2031 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)

Wakix Generics:

There are no approved generic versions for Wakix as of now.

Alternative Brands for Wakix

Wakix which is used for treating cataplexy in patients with narcolepsy., has several other brand drugs in the same treatment category . Given below is the list of those companies and their brand drugs, to help you identify new opportunities, assess competitors, and plan your market strategies more effectively.

Drug Owner Drug Name Treatment Area
Jazz Pharms
Xyrem Used for treating patients with narcolepsy and reducing excessive daytime sleepiness and cataplexy when administered with specific medications.





About Wakix

Wakix is a drug owned by Harmony Biosciences Llc. It is used for treating cataplexy in patients with narcolepsy. Wakix uses Pitolisant Hydrochloride as an active ingredient. Wakix was launched by Harmony in 2019.

Approval Date:

Wakix was approved by FDA for market use on 14 August, 2019.

NCE-1 date:

NCE-1 date also known as the four year date occurs four years after the original drug approval and marks the first opportunity for a generic manufacturer to file an ANDA with a Paragraph IV certification. This is the earliest point when generic competition might begin, provided the challenge is successful. Since the approval date for Wakix is 14 August, 2019, its NCE-1 date is estimated to be 15 August, 2023.

Active Ingredient:

Wakix uses Pitolisant Hydrochloride as the active ingredient. Check out other Drugs and Companies using Pitolisant Hydrochloride ingredient

Treatment:

Wakix is used for treating cataplexy in patients with narcolepsy.

Dosage:

Wakix is available in tablet form for oral use. Given below is detailed information on Dosage -

Strength Dosage Form Availability Application Pathway
EQ 4.45MG BASE TABLET Prescription ORAL
EQ 17.8MG BASE TABLET Prescription ORAL