Zavegepant Hydrochloride Patent Expiration
Zavegepant Hydrochloride is used for acute treatment of migraine with or without aura. It was first introduced by Pfizer Inc
Zavegepant Hydrochloride Patents
Given below is the list of patents protecting Zavegepant 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 |
|---|---|---|---|---|
| Zavzpret | US8481546 | CGRP receptor antagonist | Oct 07, 2031 | Pfizer |
| Zavzpret | US7220862 | Calcitonin gene related peptide receptor antagonists |
Jan 21, 2024
(Expired) | Pfizer |
| Zavzpret | US7314883 | Anti-migraine treatments |
Dec 05, 2023
(Expired) | Pfizer |
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 Zavegepant Hydrochloride's patents.
Latest Legal Activities on Zavegepant Hydrochloride's Patents
Given below is the list recent legal activities going on the following patents of Zavegepant Hydrochloride.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Second letter to regulating agency to determine regulatory review period | 08 Feb, 2024 | US8481546 |
| Letter from FDA or Dept of Agriculture re PTE application | 30 Jan, 2024 | US8481546 |
| Letter re PTE application to FDA or Dept of Agriculture | 16 May, 2023 | US8481546 |
| Patent Term Extension Application under 35 USC 156 Filed | 03 May, 2023 | US8481546 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 23 Dec, 2020 | US8481546 |
| Payment of Maintenance Fee, 12th Year, Large Entity | 20 Jun, 2019 | US7314883 |
| Payment of Maintenance Fee, 12th Year, Large Entity | 08 Nov, 2018 | US7220862 |
| Patent Issue Date Used in PTA Calculation Critical | 09 Jul, 2013 | US8481546 |
| Recordation of Patent Grant Mailed Critical | 09 Jul, 2013 | US8481546 |
| Email Notification Critical | 20 Jun, 2013 | US8481546 |
Zavegepant Hydrochloride's Family Patents
