Metaxalone Patent Expiration
Metaxalone was first introduced by King Pharmaceuticals Research And Development Llc A Sub Of Pfizer Inc
Metaxalone Patents
Given below is the list of patents protecting Metaxalone, 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 |
|---|---|---|---|---|
| Metaxalone | US11918559 | Reduced dose metaxalone formulations | Jul 29, 2039 | Primus Pharms |
| Skelaxin | US7122566 | Metaxalone products, method of manufacture, and method of use | Feb 06, 2026 | King Pharms |
| Skelaxin | US7714006 | Methods of modifying the bioavailability of metaxalone |
Dec 03, 2021
(Expired) | King Pharms |
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 Metaxalone's patents.
Latest Legal Activities on Metaxalone's Patents
Given below is the list recent legal activities going on the following patents of Metaxalone.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Email Notification Critical
| 05 Mar, 2024 | US11918559 |
| Recordation of Patent Grant Mailed Critical
| 05 Mar, 2024 | US11918559 |
| Patent Issue Date Used in PTA Calculation Critical
| 05 Mar, 2024 | US11918559 |
| Mail Patent eGrant Notification | 05 Mar, 2024 | US11918559 |
| Recordation of Patent eGrant | 05 Mar, 2024 | US11918559 |
| Patent eGrant Notification | 05 Mar, 2024 | US11918559 |
| Email Notification Critical
| 14 Feb, 2024 | US11918559 |
| Issue Notification Mailed Critical
| 14 Feb, 2024 | US11918559 |
| Dispatch to FDC | 05 Feb, 2024 | US11918559 |
| Application Is Considered Ready for Issue Critical
| 05 Feb, 2024 | US11918559 |
Metaxalone's Family Patents
