Clozapine Patent Expiration

Clozapine was first introduced by Heritage Life Sciences Barbados Inc in its drug Clozaril on Sep 26, 1989. Other drugs containing Clozapine are Versacloz, Fazaclo Odt. 14 different companies have introduced drugs containing Clozapine.


Clozapine Patents

Given below is the list of patents protecting Clozapine, 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
Versacloz US8057811 Stable clozapine suspension formulation May 01, 2028 Tasman Pharma
Fazaclo Odt US6024981 Rapidly dissolving robust dosage form Apr 09, 2018

(Expired)

Jazz
Fazaclo Odt US6221392 Rapidly dissolving robust dosage form Apr 09, 2018

(Expired)

Jazz
Fazaclo Odt US6106861 Multiparticulate tablet disintegrating in less than 40 seconds in the mouth Dec 05, 2017

(Expired)

Jazz



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 Clozapine's patents.

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

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 12th Year, Large Entity 10 May, 2023 US8057811
Payment of Maintenance Fee, 8th Year, Large Entity 07 Feb, 2019 US8057811
Entity Status Set To Undiscounted (Initial Default Setting or Status Change) 05 May, 2015 US8057811
Recordation of Patent Grant Mailed 15 Nov, 2011 US8057811
Patent Issue Date Used in PTA Calculation 15 Nov, 2011 US8057811
Email Notification 28 Oct, 2011 US8057811
Issue Notification Mailed 26 Oct, 2011 US8057811
Dispatch to FDC 14 Oct, 2011 US8057811
Application Is Considered Ready for Issue 11 Oct, 2011 US8057811
Issue Fee Payment Verified 23 Sep, 2011 US8057811


Clozapine's Family Patents

Family Patents

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Clozapine Generic API Manufacturers

Several generic applications have been filed for Clozapine. The first generic version for Clozapine was by Sandoz Inc and was approved on Aug 30, 1996. And the latest generic version is by Mylan Pharmaceuticals Inc and was approved on Aug 7, 2023.

Given below is the list of companies who have filed for Clozapine generic, along with the locations of their manufacturing plants worldwide.


1. ACCORD HLTHCARE

Accord Healthcare Inc has filed for 2 different strengths of generic version for Clozapine. Given below are the details of the strengths of this generic introduced by Accord Hlthcare.

Strength Dosage Form Availability Application Pathway TE code Launch Date
100MG

tablet Prescription ORAL AB Nov 25, 2015
25MG

tablet Prescription ORAL AB Nov 25, 2015





2. AUROBINDO PHARMA

Aurobindo Pharma Ltd has filed for 4 different strengths of generic version for Clozapine. Given below are the details of the strengths of this generic introduced by Aurobindo Pharma.

Strength Dosage Form Availability Application Pathway TE code Launch Date
200MG

tablet Prescription ORAL AB Nov 29, 2016
25MG

tablet Prescription ORAL AB Nov 29, 2016
50MG

tablet Prescription ORAL AB Nov 29, 2016
100MG

tablet Prescription ORAL AB Nov 29, 2016


Manufacturing Plant Locations
New

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

Country City Firm Name
India
Medchal Aurobindo Pharma Ltd
Sangareddy Aurobindo Pharma Limited
Polepally, Mahaboob Nagar Aurobindo Pharma Limited
Bachupally Aurobindo Pharma Limited
United States
East Windsor Aurobindo Pharma USA Inc





3. BARR LABS INC

Barr Laboratories Inc has filed for 5 different strengths of generic version for Clozapine. Given below are the details of the strengths of this generic introduced by Barr Labs Inc.

Strength Dosage Form Availability Application Pathway TE code Launch Date
25MG

tablet, orally disintegrating Prescription ORAL AB Nov 25, 2015
100MG

(reference standard)

tablet, orally disintegrating Prescription ORAL AB Nov 25, 2015
150MG

tablet, orally disintegrating Prescription ORAL AB Nov 25, 2015
200MG

tablet, orally disintegrating Prescription ORAL AB Nov 25, 2015
12.5MG

tablet, orally disintegrating Prescription ORAL N/A Apr 9, 2018





4. DR REDDYS LABS SA

Dr Reddys Laboratories Sa has filed for 4 different strengths of generic version for Clozapine. Given below are the details of the strengths of this generic introduced by Dr Reddys Labs Sa.

Strength Dosage Form Availability Application Pathway TE code Launch Date
100MG

tablet Discontinued ORAL N/A Sep 17, 2015
25MG

tablet Discontinued ORAL N/A Sep 17, 2015
50MG

tablet Discontinued ORAL N/A Aug 22, 2017
200MG

tablet Discontinued ORAL N/A Aug 22, 2017





5. IVAX SUB TEVA PHARMS

Ivax Pharmaceuticals Inc Sub Teva Pharmaceuticals Usa has filed for 5 different strengths of generic version for Clozapine. Given below are the details of the strengths of this generic introduced by Ivax Sub Teva Pharms.

Strength Dosage Form Availability Application Pathway TE code Launch Date
100MG

tablet Prescription ORAL AB Dec 16, 2005
25MG

tablet Prescription ORAL AB Nov 26, 1997
12.5MG

tablet Prescription ORAL N/A Jul 31, 2003
50MG

tablet Prescription ORAL AB Dec 16, 2005
200MG

tablet Prescription ORAL AB Dec 16, 2005





6. MYLAN

Mylan Pharmaceuticals Inc has filed for 6 different strengths of generic version for Clozapine. Given below are the details of the strengths of this generic introduced by Mylan.

Strength Dosage Form Availability Application Pathway TE code Launch Date
100MG

tablet, orally disintegrating Prescription ORAL AB Sep 15, 2015
25MG

tablet, orally disintegrating Prescription ORAL AB Sep 15, 2015
50MG

tablet Prescription ORAL AB Apr 15, 2010
12.5MG

tablet Discontinued ORAL N/A Apr 15, 2010
200MG

tablet, orally disintegrating Prescription ORAL AB Aug 7, 2023
150MG

tablet, orally disintegrating Prescription ORAL AB Aug 7, 2023


Manufacturing Plant Locations
New

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

Country City Firm Name
United States
San Carlos Mylan Pharmaceuticals Inc.
Rockford Mylan Institutional, Inc.
Santa Barbara Mylandon LLC dba Debbie s Delights Santa Barbara Baking Co.
Morgantown Mylan Specialty, L.P.
Greensboro Mylan Pharmaceuticals Inc
Saint Albans Mylan Technologies, Inc.
Morgantown MYLAN CONSUMER HEALTHCARE Inc.
India
Sinnar Mylan Laboratories Limited
Aurangabad Mylan Laboratories Limited (FDF-2)
Hosur Mylan Laboratories Limited
Bangalore Mylan Laboratories Limited
Hyderabad Mylan Laboratories Limited
Sarigam Mylan Laboratories Limited
Pithampur, District Dhar Mylan Laboratories Limited
Anekal Taluk, Bangalore Mylan Laboratories Limited
Canada
Etobicoke Mylan Pharmaceuticals ULC
Ireland
Inverin Mylan Teoranta





7. PAR PHARM

Par Pharmaceutical has filed for 2 different strengths of generic version for Clozapine. Given below are the details of the strengths of this generic introduced by Par Pharm.

Strength Dosage Form Availability Application Pathway TE code Launch Date
25MG

tablet Discontinued ORAL N/A Apr 26, 2005
100MG

tablet Discontinued ORAL N/A Apr 26, 2005


Manufacturing Plant Locations
New

Par Pharm'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 Par Pharm as present at those locations.

Country City Firm Name
United States
Stratford Par Pharmaceutical Inc.
Hauppauge Par Pharmaceuticals





8. SANDOZ

Sandoz Inc has filed for 2 different strengths of generic version for Clozapine. Given below are the details of the strengths of this generic introduced by Sandoz.

Strength Dosage Form Availability Application Pathway TE code Launch Date
100MG

tablet Discontinued ORAL N/A Aug 30, 1996
25MG

tablet Discontinued ORAL N/A Aug 30, 1996


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





9. SUN PHARM INDS INC

Sun Pharmaceutical Industries Inc has filed for 4 different strengths of generic version for Clozapine. 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
25MG

tablet Prescription ORAL AB Nov 15, 2002
100MG

tablet Prescription ORAL AB Nov 15, 2002
50MG

tablet Prescription ORAL AB Aug 19, 2005
200MG

tablet Prescription ORAL AB Nov 7, 2017





10. TEVA PHARMS USA

Teva Pharmaceuticals Usa has filed for 2 different strengths of generic version for Clozapine. Given below are the details of the strengths of this generic introduced by Teva Pharms Usa.

Strength Dosage Form Availability Application Pathway TE code Launch Date
150MG

tablet, orally disintegrating Prescription ORAL AB Nov 25, 2015
200MG

tablet, orally disintegrating Prescription ORAL AB Nov 25, 2015





11. ZYDUS PHARMS

Zydus Pharmaceuticals Usa Inc has filed for 4 different strengths of generic version for Clozapine. 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
50MG

tablet Discontinued ORAL N/A Dec 6, 2017
100MG

tablet Discontinued ORAL N/A Dec 6, 2017
200MG

tablet Discontinued ORAL N/A Dec 6, 2017
25MG

tablet Discontinued ORAL N/A Dec 6, 2017