Levalbuterol Hydrochloride Patent Expiration
Levalbuterol Hydrochloride is Used for treating or preventing bronchospasm. It was first introduced by Hikma Pharmaceuticals Usa Inc
Levalbuterol Hydrochloride Patents
Given below is the list of patents protecting Levalbuterol 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 |
|---|---|---|---|---|
| Xopenex | US6451289 | Albuterol formulations |
Mar 21, 2021
(Expired) | Hikma |
| Xopenex | US5547994 | Method for treating asthma using optically pure R(-) albuterol |
Aug 20, 2013
(Expired) | Hikma |
| Xopenex | US5362755 | Method for treating asthma using optically pure (R)-albuterol |
Mar 25, 2013
(Expired) | Hikma |
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 Levalbuterol Hydrochloride's patents.
Latest Legal Activities on Levalbuterol Hydrochloride's Patents
Given below is the list recent legal activities going on the following patents of Levalbuterol Hydrochloride.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Correspondence Address Change Critical
| 28 Feb, 2005 | US6451289 |
| Correspondence Address Change Critical
| 06 Dec, 2004 | US6451289 |
| Post Issue Communication - Certificate of Correction | 24 Jul, 2003 | US6451289 |
| Post Issue Communication - Certificate of Correction Denied | 25 Feb, 2003 | US6451289 |
| Post Issue Communication - Certificate of Correction Denied | 19 Dec, 2002 | US6451289 |
| Recordation of Patent Grant Mailed Critical
| 17 Sep, 2002 | US6451289 |
| Patent Issue Date Used in PTA Calculation Critical
| 17 Sep, 2002 | US6451289 |
| Issue Notification Mailed Critical
| 29 Aug, 2002 | US6451289 |
| Application Is Considered Ready for Issue Critical
| 16 Aug, 2002 | US6451289 |
| Workflow - Drawings Finished | 05 Aug, 2002 | US6451289 |
Levalbuterol Hydrochloride's Family Patents
