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 | 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 |
| Suprenza | US8440170 | Orally disintegrating tablets with speckled appearance | Mar 14, 2029 | 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 |
Explore Our Curated Drug Screens
Phentermine Hydrochloride Generics
Several generic applications have been filed for Phentermine Hydrochloride. The first generic version for Phentermine Hydrochloride was by Usl Pharma Inc and was approved on Approved Prior to Jan 1, 1982. And the latest generic version is by Zydus Pharmaceuticals Usa Inc and was approved on Jun 28, 2017.
Given below is the list of companies who have filed for Phentermine Hydrochloride generic.
1. ABC HOLDING
Abc Holding Corp has filed for 1 generic for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Abc Holding.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 30MG | capsule | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
2. ABLE
Able Laboratories Inc has filed for 3 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Able.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 30MG | capsule | Discontinued | ORAL | N/A | Aug 30, 2001 |
| 37.5MG | tablet | Discontinued | ORAL | N/A | Aug 30, 2001 |
| 15MG | capsule | Discontinued | ORAL | N/A | Mar 13, 2003 |
3. ACTAVIS ELIZABETH
Actavis Elizabeth Llc has filed for 1 generic for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Actavis Elizabeth.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 37.5MG | tablet | Discontinued | ORAL | N/A | Nov 25, 1998 |
4. AUROLIFE PHARMA LLC
Aurolife Pharma Llc has filed for 3 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Aurolife Pharma Llc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 37.5MG | tablet | Prescription | ORAL | AA | Aug 6, 2014 |
| 15MG | capsule | Prescription | ORAL | AA | Nov 9, 2016 |
| 30MG | capsule | Prescription | ORAL | AA | Nov 9, 2016 |
5. AVANTHI INC
Avanthi Inc has filed for 1 generic for Phentermine Hydrochloride. This 8mg version comes by the name LOMAIRA. Given below are the details of the strengths of this generic introduced by Avanthi Inc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 8MG
(reference standard) | tablet | Prescription | ORAL | AA | Sep 12, 2016 |
6. BARR
Barr Laboratories Inc has filed for 3 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Barr.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 37.5MG | tablet | Discontinued | ORAL | N/A | Aug 31, 2009 |
| 15MG | capsule | Discontinued | ORAL | N/A | Mar 18, 2010 |
| 30MG | capsule | Discontinued | ORAL | N/A | Mar 18, 2010 |
7. CAMALL
Camall Co Inc has filed for 2 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Camall.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 15MG | capsule | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
| 30MG | capsule | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
8. CHARTWELL RX
Chartwell Rx Sciences Llc has filed for 4 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Chartwell Rx.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 8MG | tablet | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
| 30MG | capsule | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
| 37.5MG | capsule | Discontinued | ORAL | N/A | Aug 23, 1984 |
| 18.75MG | capsule | Discontinued | ORAL | N/A | May 23, 1984 |
9. DURAMED PHARMS BARR
Duramed Pharmaceuticals Inc Sub Barr Laboratories Inc has filed for 1 generic for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Duramed Pharms Barr.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 30MG | capsule | Discontinued | ORAL | N/A | Apr 25, 1986 |
10. ELITE LABS
Elite Laboratories Inc has filed for 3 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Elite Labs.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 37.5MG | tablet | Prescription | ORAL | AA | Jan 31, 2011 |
| 30MG | capsule | Prescription | ORAL | AA | Sep 28, 2012 |
| 15MG | capsule | Prescription | ORAL | AA | Sep 28, 2012 |
11. ELITE LABS INC
Elite Laboratories Inc has filed for 3 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Elite Labs Inc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 37.5MG | capsule | Prescription | ORAL | AA | Jun 19, 1997 |
| 30MG | capsule | Discontinued | ORAL | N/A | Jan 22, 2003 |
| 15MG | capsule | Discontinued | ORAL | N/A | Jan 14, 2003 |
12. FERNDALE LABS
Ferndale Laboratories Inc has filed for 1 generic for Phentermine Hydrochloride. This 30mg version comes by the name OBESTIN-30. Given below are the details of the strengths of this generic introduced by Ferndale Labs.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 30MG | capsule | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
13. INVAGEN PHARMS
Invagen Pharmaceuticals Inc has filed for 3 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Invagen Pharms.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 37.5MG | tablet | Discontinued | ORAL | N/A | Feb 5, 2014 |
| 15MG | capsule | Discontinued | ORAL | N/A | Feb 14, 2014 |
| 30MG | capsule | Discontinued | ORAL | N/A | May 5, 2014 |
14. IVAX PHARMS
Ivax Pharmaceuticals Inc has filed for 2 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Ivax Pharms.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 8MG | tablet | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
| 30MG | capsule | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
15. KVK TECH
Kvk Tech Inc has filed for 3 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Kvk Tech.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 30MG | capsule | Prescription | ORAL | AA | Mar 31, 2008 |
| 15MG | capsule | Prescription | ORAL | AA | Mar 31, 2008 |
| 37.5MG | capsule | Prescription | ORAL | AA | Apr 24, 2008 |
16. KVK TECH INC
Kvk Tech Inc has filed for 1 generic for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Kvk Tech Inc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 8MG | tablet | Prescription | ORAL | AA | Mar 17, 2017 |
17. LANNETT
Lannett Co Inc has filed for 3 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Lannett.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 30MG | capsule | Discontinued | ORAL | N/A | Feb 3, 1983 |
| 37.5MG | tablet | Discontinued | ORAL | N/A | Apr 15, 2005 |
| 15MG | capsule | Discontinued | ORAL | N/A | Jan 20, 2012 |
18. LANNETT CO INC
Lannett Co Inc has filed for 2 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Lannett Co Inc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 30MG | capsule | Discontinued | ORAL | N/A | Jul 16, 2010 |
| 37.5MG | capsule | Discontinued | ORAL | N/A | Jul 20, 2011 |
19. MAST MM
Mm Mast And Co has filed for 2 different strengths of generic version for Phentermine Hydrochloride. All of these versions come by the name ONA-MAST. Given below are the details of the strengths of this generic introduced by Mast Mm.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 8MG | tablet | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
| 30MG | capsule | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
20. MERRO PHARM USA
Merro Pharmaceutical Usa Inc has filed for 1 generic for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Merro Pharm Usa.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 37.5MG | tablet | Prescription | ORAL | AA | Nov 18, 2016 |
21. NOVAST LABS
Novast Laboratories Ltd has filed for 1 generic for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Novast Labs.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 37.5MG | tablet | Discontinued | ORAL | N/A | Sep 21, 2012 |
22. NUVO PHARM
Nuvo Pharmaceutical Inc has filed for 3 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Nuvo Pharm.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 37.5MG
(reference standard) | capsule | Prescription | ORAL | AA | Sep 25, 2014 |
| 30MG | capsule | Prescription | ORAL | AA | Dec 5, 2014 |
| 15MG | capsule | Prescription | ORAL | AA | Dec 5, 2014 |
23. PRINSTON INC
Prinston Pharmaceutical Inc has filed for 1 generic for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Prinston Inc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 37.5MG | tablet | Prescription | ORAL | AA | Jan 4, 2002 |
24. SANDOZ
Sandoz Inc has filed for 4 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Sandoz.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 8MG | tablet | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
| 30MG
(reference standard) (reference listed drug) | capsule | Prescription | ORAL | AA | Jul 20, 1983 |
| 15MG
(reference standard) (reference listed drug) | capsule | Prescription | ORAL | AA | Approved Prior to Jan 1, 1982 |
| 37.5MG | capsule | Discontinued | ORAL | N/A | Oct 19, 1983 |
25. SANDOZ INC
Sandoz Inc has filed for 1 generic for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Sandoz Inc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 30MG | tablet | Discontinued | ORAL | N/A | Sep 28, 1987 |
26. SHIRE RICHWOOD
Shire Richwood Inc has filed for 1 generic for Phentermine Hydrochloride. This 30mg version comes by the name OBY-TRIM. Given below are the details of the strengths of this generic introduced by Shire Richwood.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 30MG | capsule | Discontinued | ORAL | N/A | Mar 18, 1982 |
27. SOLVAY
Solvay Pharmaceuticals has filed for 1 generic for Phentermine Hydrochloride. This 8mg version comes by the name TORA. Given below are the details of the strengths of this generic introduced by Solvay.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 8MG | tablet | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
28. SUN PHARM INDS INC
Sun Pharmaceutical Industries Inc has filed for 1 generic for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Sun Pharm Inds Inc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 37.5MG | tablet | Discontinued | ORAL | N/A | Aug 21, 2007 |
29. SUN PHARM INDUSTRIES
Sun Pharmaceutical Industries Inc has filed for 2 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Sun Pharm Industries.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 30MG | capsule | Discontinued | ORAL | N/A | Oct 23, 2003 |
| 37.5MG | capsule | Discontinued | ORAL | N/A | Oct 23, 2003 |
30. TEVA
Teva Pharmaceuticals Usa Inc has filed for 2 different strengths of generic version for Phentermine Hydrochloride. Out of these 37.5mg version comes by the name ADIPEX-P. Given below are the details of the strengths of this generic introduced by Teva.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 37.5MG
(reference listed drug) | capsule | Discontinued | ORAL | N/A | Aug 2, 1983 |
| 30MG | capsule | Discontinued | ORAL | N/A | Nov 1, 1985 |
31. TG UNITED INC
Tg United Inc has filed for 1 generic for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Tg United Inc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 30MG | capsule | Discontinued | ORAL | N/A | Mar 7, 1997 |
32. UPSHER SMITH LABS
Upsher Smith Laboratories Llc has filed for 1 generic for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Upsher Smith Labs.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 30MG | capsule | Discontinued | ORAL | N/A | Mar 27, 1984 |
33. USL PHARMA
Usl Pharma Inc has filed for 3 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Usl Pharma.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 8MG
(reference listed drug) | tablet | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
| 30MG | capsule | Discontinued | ORAL | N/A | Dec 10, 1984 |
| 37.5MG | tablet | Discontinued | ORAL | N/A | Jul 17, 1985 |
34. VITARINE
Vitarine Pharmaceuticals Inc has filed for 2 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Vitarine.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 8MG | tablet | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
| 30MG | capsule | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
35. WATSON LABS
Watson Laboratories Inc has filed for 2 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Watson Labs.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 8MG | tablet | Discontinued | ORAL | N/A | Approved Prior to Jan 1, 1982 |
| 30MG | capsule | Discontinued | ORAL | N/A | Mar 21, 1985 |
36. ZYDUS PHARMS
Zydus Pharmaceuticals Usa Inc has filed for 3 different strengths of generic version for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Zydus Pharms.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 37.5MG | tablet, orally disintegrating | Prescription | ORAL | N/A | Jun 28, 2017 |
| 30MG | tablet, orally disintegrating | Prescription | ORAL | N/A | Jun 28, 2017 |
| 15MG | tablet, orally disintegrating | Prescription | ORAL | N/A | Jun 28, 2017 |