Ketoconazole Patent Expiration
Ketoconazole was first introduced by Janssen Pharmaceuticals Inc
Ketoconazole Patents
Given below is the list of patents protecting Ketoconazole, 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 |
|---|---|---|---|---|
| Xolegel | US8232276 | Anhydrous topical skin preparations |
Nov 24, 2020
(Expired) | Ina Pharms |
| Xolegel | US7179475 | Anhydrous topical skin preparations |
Dec 04, 2018
(Expired) | Ina Pharms |
| Xolegel | US8735393 | Anhydrous topical skin preparations |
Dec 04, 2018
(Expired) | Ina Pharms |
| Extina | US7553835 | Topical antifungal composition |
Oct 19, 2018
(Expired) | Norvium Bioscience |
| Extina | US8026238 | Topical antifungal composition |
Oct 19, 2018
(Expired) | Norvium Bioscience |
| Nizoral Anti-dandruff | US5456851 | Ketoconazole shampoo containing butylated hydroxytoluene or butylated hydroxyanisole |
Apr 07, 2014
(Expired) | Kramer |
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 Ketoconazole's patents.
Latest Legal Activities on Ketoconazole's Patents
Given below is the list recent legal activities going on the following patents of Ketoconazole.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Maintenance Fee Reminder Mailed Critical
| 18 Mar, 2024 | US8232276 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 18 Dec, 2019 | US8232276 |
| Post Issue Communication - Certificate of Correction | 15 Oct, 2012 | US8232276 |
| Recordation of Patent Grant Mailed Critical
| 31 Jul, 2012 | US8232276 |
| Patent Issue Date Used in PTA Calculation Critical
| 31 Jul, 2012 | US8232276 |
| Issue Notification Mailed Critical
| 11 Jul, 2012 | US8232276 |
| Dispatch to FDC | 28 Jun, 2012 | US8232276 |
| Application Is Considered Ready for Issue Critical
| 28 Jun, 2012 | US8232276 |
| Issue Fee Payment Verified Critical
| 27 Jun, 2012 | US8232276 |
| Issue Fee Payment Received Critical
| 27 Jun, 2012 | US8232276 |
Ketoconazole's Family Patents
