Ganaxolone Patent Expiration
Ganaxolone is Used for treating seizures associated with CDKL5 deficiency disorder in patients aged 2 years and older. It was first introduced by Marinus Pharmaceuticals Inc
Ganaxolone Patents
Given below is the list of patents protecting Ganaxolone, 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 |
|---|---|---|---|---|
| Ztalmy | US10603308 | Methods and compositions for treatment of epileptic disorders | Aug 10, 2037 | Marinus |
| Ztalmy | US7858609 | Solid ganaxolone formulations and methods for the making and use thereof | Nov 28, 2026 | Marinus |
| Ztalmy | US8022054 | Liquid ganaxolone formulations and methods for the making and use thereof | Nov 28, 2026 | Marinus |
| Ztalmy | US8318714 | Liquid ganaxolone formulations and methods for the making and use thereof | Nov 28, 2026 | Marinus |
| Ztalmy | US8367651 | Solid ganaxolone formulations and methods for the making and use thereof | Nov 28, 2026 | Marinus |
| Ztalmy | US8618087 | Solid ganaxolone formulations and methods for the making and use thereof | Nov 28, 2026 | Marinus |
| Ztalmy | US9029355 | Solid ganaxolone compositions and methods for the making and use thereof | Nov 28, 2026 | Marinus |
| Ztalmy | US9056116 | Liquid ganaxolone formulations and methods for the making and use thereof | Nov 28, 2026 | Marinus |
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 Ganaxolone's patents.
Latest Legal Activities on Ganaxolone's Patents
Given below is the list recent legal activities going on the following patents of Ganaxolone.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Payment of Maintenance Fee, 12th Year, Large Entity | 11 Jul, 2024 | US8367651 |
| Payment of Maintenance Fee, 12th Yr, Small Entity | 11 Apr, 2024 | US8318714 |
| Second letter to regulating agency to determine regulatory review period | 30 Sep, 2023 | US8318714 |
| Letter from FDA or Dept of Agriculture re PTE application | 28 Sep, 2023 | US8318714 |
| Payment of Maintenance Fee, 4th Year, Large Entity | 10 Aug, 2023 | US10603308 |
| Payment of Maintenance Fee, 12th Year, Large Entity | 28 Feb, 2023 | US8022054 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 24 Nov, 2022 | US9056116 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 07 Nov, 2022 | US9029355 |
| Letter re PTE application to FDA or Dept of Agriculture | 08 Jul, 2022 | US8318714 |
| Payment of Maintenance Fee, 12th Yr, Small Entity | 08 Jun, 2022 | US7858609 |
Ganaxolone's Family Patents
