Ropinirole Hydrochloride Patent Expiration
Ropinirole Hydrochloride is used for treating Parkinson's syndrome. It was first introduced by Glaxosmithkline Llc
Ropinirole Hydrochloride Patents
Given below is the list of patents protecting Ropinirole 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 |
|---|---|---|---|---|
| Requip Xl | US7927624 | Hydrophilic/lipophilic polymeric matrix dosage formulation |
Dec 02, 2021
(Expired) | Glaxosmithkline Llc |
| Requip Xl | US8303986 | Hydrophilic/lipophilic polymeric matrix dosage formulation |
Apr 12, 2021
(Expired) | Glaxosmithkline Llc |
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 Ropinirole Hydrochloride's patents.
Latest Legal Activities on Ropinirole Hydrochloride's Patents
Given below is the list recent legal activities going on the following patents of Ropinirole Hydrochloride.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Maintenance Fee Reminder Mailed Critical
| 24 Jun, 2024 | US8303986 |
| Expire Patent Critical
| 22 May, 2023 | US7927624 |
| Maintenance Fee Reminder Mailed Critical
| 05 Dec, 2022 | US7927624 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 21 Apr, 2020 | US8303986 |
| Payment of Maintenance Fee, 8th Year, Large Entity | 09 Oct, 2018 | US7927624 |
| Recordation of Patent Grant Mailed Critical
| 06 Nov, 2012 | US8303986 |
| Patent Issue Date Used in PTA Calculation Critical
| 06 Nov, 2012 | US8303986 |
| Email Notification Critical
| 18 Oct, 2012 | US8303986 |
| Issue Notification Mailed Critical
| 17 Oct, 2012 | US8303986 |
| Dispatch to FDC | 02 Oct, 2012 | US8303986 |
Ropinirole Hydrochloride's Family Patents
