Tramadol Hydrochloride Patent Expiration
Tramadol Hydrochloride was first introduced by Janssen Pharmaceuticals Inc
Tramadol Hydrochloride Patents
Given below is the list of patents protecting Tramadol 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 |
|---|---|---|---|---|
| Qdolo | US11103452 | Tramadol hydrochloride solution | Sep 01, 2040 | Athena |
| Qdolo | US11752103 | Tramadol hydrochloride solution | Sep 01, 2040 | Athena |
| Ryzolt | US7988998 | Sustained-release tramadol formulations with 24-hour efficacy |
Oct 27, 2023
(Expired) | Purdue Pharma |
| Conzip | US7858118 | Extended release composition containing Tramadol |
Apr 11, 2022
(Expired) | Cipher Pharms Inc |
| Ryzolt | US6607748 | Cross-linked high amylose starch for use in controlled-release pharmaceutical formulations and processes for its manufacture |
Jun 29, 2020
(Expired) | Purdue Pharma |
| Ultram |
US6339105 (Pediatric) | Analgesic regimen |
Apr 12, 2020
(Expired) | Janssen Pharms |
| Ultram | US6339105 | Analgesic regimen |
Oct 12, 2019
(Expired) | Janssen Pharms |
| Rybix Odt | US6106861 | Multiparticulate tablet disintegrating in less than 40 seconds in the mouth |
Dec 05, 2017
(Expired) | Shionogi Inc |
| Ryzolt | US5591452 | Controlled release formulation |
May 10, 2014
(Expired) | Purdue Pharma |
| Ryzolt | US6254887 | Controlled release tramadol |
May 10, 2014
(Expired) | Purdue Pharma |
| Rybix Odt | US5464632 | Rapidly disintegratable multiparticular tablet |
Mar 22, 2013
(Expired) | Shionogi Inc |
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 Tramadol Hydrochloride's patents.
Latest Legal Activities on Tramadol Hydrochloride's Patents
Given below is the list recent legal activities going on the following patents of Tramadol Hydrochloride.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Email Notification Critical
| 12 Sep, 2023 | US11752103 |
| Mail Patent eGrant Notification | 12 Sep, 2023 | US11752103 |
| Recordation of Patent Grant Mailed Critical
| 12 Sep, 2023 | US11752103 |
| Patent Issue Date Used in PTA Calculation Critical
| 12 Sep, 2023 | US11752103 |
| Recordation of Patent eGrant | 12 Sep, 2023 | US11752103 |
| Patent eGrant Notification | 12 Sep, 2023 | US11752103 |
| Email Notification Critical
| 24 Aug, 2023 | US11752103 |
| Issue Notification Mailed Critical
| 23 Aug, 2023 | US11752103 |
| Application Is Considered Ready for Issue Critical
| 10 Aug, 2023 | US11752103 |
| Dispatch to FDC | 10 Aug, 2023 | US11752103 |
Tramadol Hydrochloride's Family Patents
