Phentermine Hydrochloride Patent Expiration
Phentermine Hydrochloride is Used for weight management in adults as part of a comprehensive program that includes lifestyle changes. It was first introduced by Sandoz Consumer Health Care Group Div Sandoz Pharmaceuticals Corp
Phentermine Hydrochloride Patents
Given below is the list of patents protecting Phentermine 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 |
|---|---|---|---|---|
| Suprenza | US8440170 | Orally disintegrating tablets with speckled appearance | Mar 14, 2029 | Citius Pharms |
| Suprenza | US6149938 | Process for the preparation of a granulate suitable to the preparation of rapidly disintegrable mouth-soluble tablets and compositions obtained thereby |
Jul 23, 2018
(Expired) | Citius 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 Phentermine Hydrochloride's patents.
Latest Legal Activities on Phentermine Hydrochloride's Patents
Given below is the list recent legal activities going on the following patents of Phentermine Hydrochloride.
| Activity | Date | Patent Number |
|---|---|---|
 | ||
| Payment of Maintenance Fee, 8th Yr, Small Entity | 09 Nov, 2020 | US8440170 |
| Review Certificate Mailed | 16 Feb, 2018 | US8440170 |
| Review Certificate | 22 Dec, 2017 | US8440170 |
| Termination or Final Written Decision | 11 Oct, 2016 | US8440170 |
| Request for Trial Granted Critical
| 20 May, 2016 | US8440170 |
| Applicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27 | 07 Dec, 2015 | US8440170 |
| Petition Requesting Trial | 24 Nov, 2015 | US8440170 |
| Patent Issue Date Used in PTA Calculation Critical
| 14 May, 2013 | US8440170 |
| Recordation of Patent Grant Mailed Critical
| 14 May, 2013 | US8440170 |
| Email Notification Critical
| 25 Apr, 2013 | US8440170 |
Phentermine Hydrochloride's Family Patents
