Drug Patent List
Litigation OpportunitiesNew
Newsletter
Weekly Digest

Pharsight

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 in its drug Wilpo on Approved Prior to Jan 1, 1982. Other drugs containing Phentermine Hydrochloride are Suprenza, Fastin. 39 different companies have introduced drugs containing Phentermine Hydrochloride.


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.

Given below is the list recent legal activities going on the following patents of Phentermine Hydrochloride.

Activity Date Patent Number
Patent litigations
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

Family Patents

Explore Our Curated Drug Screens

Drugs Generating Over $1 Billion in Annual Revenue
Explore the top-performing drugs that dominate the pharmaceutical industry
View List
NCE-1 Patent Expiry in the Next 1 Year
Identify opportunities as new chemical entity (NCE-1) patents approach expiry
View List
Recently Granted Patents in EP
Find the opportunity to file Oppositions
View List

Phentermine Hydrochloride Generic API Manufacturers

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, along with the locations of their manufacturing plants worldwide.


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


Manufacturing Plant Locations
New

Able's manufacturing plants are situated in 2 countries - United States, Malaysia. Given below are the details of these plant locations as well as the firm names of Able as present at those locations.

Country City Firm Name
United States
Los Angeles Able Freight Services LLC
Mayaguez Able Sales Company
Catano Able Sales Company, Inc.
Roseville AbleNet, Inc.
Cincinnati Ablecare Medical Inc
Sparks Able Groupe Inc
Los Angeles ABLE INC
Raleigh Ablexan Corporation
Malaysia
Telok Panglima Garang Able Dairies





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


Manufacturing Plant Locations
New

Actavis Elizabeth's manufacturing plants are situated in 1 country - United States. Given below are the details of these plant locations as well as the firm names of Actavis Elizabeth as present at those locations.

Country City Firm Name
United States
Elizabeth Actavis Elizabeth LLC, A Company of Teva





4. AUROBINDO PHARMA LTD

Aurobindo Pharma Ltd has filed for 1 generic for Phentermine Hydrochloride. Given below are the details of the strengths of this generic introduced by Aurobindo Pharma Ltd.

Strength Dosage Form Availability Application Pathway TE code Launch Date
37.5MG

tablet Prescription ORAL AA Aug 6, 2014


Manufacturing Plant Locations
New

Aurobindo Pharma Ltd's manufacturing plants are situated in 1 country - India. Given below are the details of these plant locations as well as the firm names of Aurobindo Pharma Ltd as present at those locations.

Country City Firm Name
India
Medchal Aurobindo Pharma Ltd





5. AUROLIFE PHARMA LLC

Aurolife Pharma Llc 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 Aurolife Pharma Llc.

Strength Dosage Form Availability Application Pathway TE code Launch Date
15MG

capsule Prescription ORAL AA Nov 9, 2016
30MG

capsule Prescription ORAL AA Nov 9, 2016


Manufacturing Plant Locations
New

Aurolife Pharma Llc's manufacturing plants are situated in 1 country - United States. Given below are the details of these plant locations as well as the firm names of Aurolife Pharma Llc as present at those locations.

Country City Firm Name
United States
Durham Aurolife Pharma LLC





6. 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





7. 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


Manufacturing Plant Locations
New

Barr's manufacturing plants are situated in 4 countries - Mexico, Singapore, United States, Philippines. Given below are the details of these plant locations as well as the firm names of Barr as present at those locations.

Country City Firm Name
Mexico
Aldama Barra La Coma, S. De R.L
Singapore
Singapore Barramundi Asia Pte Ltd
United States
Memphis Barrett Distribution Centers
Arecibo Barreto Dairy, Inc.
Greenwood Barr Enterprises, Inc.
Curtis Bay Barrett Distribution Center
Belvidere Barred Woods, LLC
Somerset Barrett Distribution Centers Inc
Randolph Barrett Farm
Buffalo Barrel and Brine Inc
Franklin Barrett Distribution Centers, Inc.
Machipongo Barrier Island Seafood
Lee Barrington Coffee Roasting Company, Inc.
Live Oak Barrington Dairy Farm
Madison Barriques Holding Company, LLC
Hereford Barrett and Crofoot, LLP
Davie Barrier Technologies LLC
Paso Robles Barreto Cellars
Montezuma Barrington Dairies
Hereford Barrett and Crofoot Feedyard, West
Barrett Barrett Farm Supply, Inc.
Brainerd Barrett Ag Service, Inc.
Forest Barr Laboratories Inc.
Englewood Barrett E. Cowan, MD
Newton Barrett Technology, LLC
Commerce Barreras Meat Co
Dillon Barretts Minerals Inc
Lake Barrington Barrington Ventures, Ltd
Swartz Creek Barrett Donut Mixes, Inc..
Harrison Barrington Chemical Corporation
Philippines
Bulacan Barrio Fiesta Manufacturing Corporation





8. 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





9. 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





10. 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





11. 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





12. 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 Discontinued ORAL N/A Jun 19, 1997
30MG

capsule Discontinued ORAL N/A Jan 22, 2003
15MG

capsule Discontinued ORAL N/A Jan 14, 2003





13. 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





14. 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





15. 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





16. 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





17. 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





18. 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


Manufacturing Plant Locations
New

Lannett's manufacturing plants are situated in 1 country - United States. Given below are the details of these plant locations as well as the firm names of Lannett as present at those locations.

Country City Firm Name
United States
Seymour Lannett Company Inc.
Philadelphia Lannett Company, Inc.





19. 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





20. 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





21. 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





22. 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





23. 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


Manufacturing Plant Locations
New

Nuvo Pharm's manufacturing plants are situated in 1 country - Canada. Given below are the details of these plant locations as well as the firm names of Nuvo Pharm as present at those locations.

Country City Firm Name
Canada
Varennes Nuvo Pharmaceuticals Inc.





24. 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





25. 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)

capsule Prescription ORAL AA Jul 20, 1983
15MG

(reference standard)

capsule Prescription ORAL AA Approved Prior to Jan 1, 1982
37.5MG

capsule Discontinued ORAL N/A Oct 19, 1983


Manufacturing Plant Locations
New

Sandoz's manufacturing plants are situated in 4 countries - Austria, United States, Spain, India. Given below are the details of these plant locations as well as the firm names of Sandoz as present at those locations.

Country City Firm Name
Austria
Kundl Sandoz GmbH
Langkampfen Sandoz GmbH
United States
Princeton Sandoz Inc
East Hanover Sandoz Incorporated
Spain
Palafolls Sandoz Industrial Products, S.A.
Les Franqueses Del Valles Sandoz Industrial Products S.A.
India
Navi Mumbai Sandoz Private Limited





26. 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


Manufacturing Plant Locations
New

Sandoz Inc's manufacturing plants are situated in 1 country - United States. Given below are the details of these plant locations as well as the firm names of Sandoz Inc as present at those locations.

Country City Firm Name
United States
Princeton Sandoz Inc
East Hanover Sandoz Incorporated





27. 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





28. 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


Manufacturing Plant Locations
New

Solvay's manufacturing plants are situated in 1 country - United States. Given below are the details of these plant locations as well as the firm names of Solvay as present at those locations.

Country City Firm Name
United States
Chicago Heights Solvay USA Inc.
Willow Island Solvay, Inc
Spartanburg Solvay USA Inc
Longview Solvay Chemicals Inc





29. 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





30. 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





31. 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

capsule Discontinued ORAL N/A Aug 2, 1983
30MG

capsule Discontinued ORAL N/A Nov 1, 1985


Manufacturing Plant Locations
New

Teva's manufacturing plants are situated in 6 countries - United States, India, Canada, Czech Republic, Ireland, Israel. Given below are the details of these plant locations as well as the firm names of Teva as present at those locations.

Country City Firm Name
United States
Horsham Teva Branded Pharmaceutical Products R&D
Fort Dodge TEVA Animal Health Inc
Malvern Teva Branded Pharmaceutical Products R&D, Inc.
Miami Teva Branded Pharmaceutical Products R & D, Inc.
India
Bhind Teva API India Ltd- Malanpur
Gajraula, Amroha Teva API India Private Ltd.
Canada
Markham Teva Canada Limited
Scarborough Teva Canada Limited
Stouffville Teva Canada Limited
Czech Republic
Opava Teva Czech Industries s.r.o.
Ireland
Dundalk Teva Laboratories Ireland Ltd
Israel
Kiryat-Shmona TEVA Medical Ltd.





32. 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





33. 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





34. 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

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





35. 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





36. 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





37. 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