Bosentan Patent Expiration
Bosentan was first introduced by Actelion Pharmaceuticals Us Inc
Bosentan Patents
Given below is the list of patents protecting Bosentan, 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 |
|---|---|---|---|---|
| Tracleer | US7959945 | Dispersible bosentan tablet | Dec 28, 2027 | Actelion |
| Tracleer | US8309126 | Dispersible bosentan tablet | May 15, 2026 | Actelion |
| Tracleer | US5292740 | Sulfonamides |
Nov 20, 2015
(Expired) | Actelion |
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 Bosentan's patents.
Latest Legal Activities on Bosentan's Patents
Given below is the list recent legal activities going on the following patents of Bosentan.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Payment of Maintenance Fee, 12th Year, Large Entity | 01 May, 2024 | US8309126 |
| Payment of Maintenance Fee, 12th Year, Large Entity | 30 Nov, 2022 | US7959945 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 30 Apr, 2020 | US8309126 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 04 Dec, 2018 | US7959945 |
| Filing Receipt - Corrected | 23 Sep, 2013 | US7959945 |
| Email Notification Critical
| 23 Sep, 2013 | US7959945 |
| Recordation of Patent Grant Mailed Critical
| 13 Nov, 2012 | US8309126 |
| Patent Issue Date Used in PTA Calculation Critical
| 13 Nov, 2012 | US8309126 |
| Issue Notification Mailed Critical
| 24 Oct, 2012 | US8309126 |
| Dispatch to FDC | 19 Oct, 2012 | US8309126 |
Bosentan's Family Patents
