Phentermine Hydrochloride; Topiramate Patent Expiration
Phentermine Hydrochloride; Topiramate is used for managing weight in individuals with obesity or overweight-related comorbidities. It was first introduced by Vivus Llc
Phentermine Hydrochloride; Topiramate Patents
Given below is the list of patents protecting Phentermine Hydrochloride; Topiramate, 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 |
|---|---|---|---|---|
| Qsymia | US8580299 | Escalating dosing regimen for effecting weight loss and treating obesity | Jun 14, 2029 | Vivus Llc |
| Qsymia | US8580298 | Low dose topiramate/phentermine composition and methods of use thereof | May 15, 2029 | Vivus Llc |
| Qsymia | US8895057 | Escalating dosing regimen for effecting weight loss and treating obesity | Jun 09, 2028 | Vivus Llc |
| Qsymia | US8895058 | Low dose topiramate/phentermine composition and methods of use thereof | Jun 09, 2028 | Vivus Llc |
| Qsymia | US9011905 | Low dose topiramate/phentermine composition and methods of use thereof | Jun 09, 2028 | Vivus Llc |
| Qsymia | US9011906 | Escalating dosing regimen for effecting weight loss and treating obesity | Jun 09, 2028 | Vivus Llc |
| Qsymia | US7056890 | Combination therapy for effecting weight loss and treating obesity |
Jun 14, 2020
(Expired) | Vivus Llc |
| Qsymia | US7553818 | Combination therapy for effecting weight loss and treating obesity |
Jun 14, 2020
(Expired) | Vivus Llc |
| Qsymia | US7659256 | Combination therapy for effecting weight loss and treating obesity |
Jun 14, 2020
(Expired) | Vivus Llc |
| Qsymia | US7674776 | Combination therapy for effecting weight loss and treating obesity |
Jun 14, 2020
(Expired) | Vivus Llc |
| Qsymia | US6071537 | Anticonvulsant derivatives useful in treating obesity |
Jun 23, 2017
(Expired) | Vivus 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 Phentermine Hydrochloride; Topiramate's patents.
Latest Legal Activities on Phentermine Hydrochloride; Topiramate's Patents
Given below is the list recent legal activities going on the following patents of Phentermine Hydrochloride; Topiramate.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Payment of Maintenance Fee, 8th Year, Large Entity | 05 Oct, 2022 | US9011905(Litigated) |
| Payment of Maintenance Fee, 8th Year, Large Entity | 05 Oct, 2022 | US9011906(Litigated) |
| Payment of Maintenance Fee, 8th Year, Large Entity | 11 May, 2022 | US8895058(Litigated) |
| Payment of Maintenance Fee, 8th Year, Large Entity | 11 May, 2022 | US8895057(Litigated) |
| Expire Patent Critical | 11 Apr, 2022 | US7674776(Litigated) |
| Maintenance Fee Reminder Mailed Critical | 25 Oct, 2021 | US7674776(Litigated) |
| Expire Patent Critical | 02 Aug, 2021 | US7553818(Litigated) |
| Payment of Maintenance Fee, 8th Year, Large Entity | 28 Apr, 2021 | US8580299(Litigated) |
| Payment of Maintenance Fee, 8th Year, Large Entity | 28 Apr, 2021 | US8580298(Litigated) |
| Maintenance Fee Reminder Mailed Critical | 15 Feb, 2021 | US7553818(Litigated) |
Phentermine Hydrochloride; Topiramate's Family Patents
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Phentermine Hydrochloride; Topiramate Generic API Manufacturers
Several generic applications have been filed for Phentermine Hydrochloride; Topiramate.
Given below is the list of companies who have filed for Phentermine Hydrochloride; Topiramate generic, along with the locations of their manufacturing plants worldwide.
1. ACTAVIS LABS FL INC
Actavis Laboratories Fl Inc has filed for 4 different strengths of generic version for Phentermine Hydrochloride; Topiramate. All of these versions come by the name PHENTERMINE HYDROCHLORIDE AND TOPIRAMATE. Given below are the details of the strengths of this generic introduced by Actavis Labs Fl Inc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 3.75MG BASE; 23MG | capsule, extended release | Prescription | ORAL | AB | Jun 25, 2024 |
| EQ 7.5MG BASE; 46MG | capsule, extended release | Prescription | ORAL | AB | Jun 25, 2024 |
| EQ 11.25MG BASE; 69MG | capsule, extended release | Prescription | ORAL | AB | Jun 25, 2024 |
| EQ 15MG BASE; 92MG | capsule, extended release | Prescription | ORAL | AB | Jun 25, 2024 |