Cyclophosphamide Patent Expiration

Cyclophosphamide was first introduced by Baxter Healthcare Corp in its drug Cytoxan on Approved Prior to Jan 1, 1982. Other drugs containing Cyclophosphamide are Cyclophosphamide, Cytoxan (Lyophilized), Lyophilized Cytoxan. 20 different companies have introduced drugs containing Cyclophosphamide.


Cyclophosphamide Patents

Given below is the list of patents protecting Cyclophosphamide, 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
Cyclophosphamide US10849916 Stable liquid formulations of cyclophosphamide and its impurities Jul 13, 2035 Avyxa Holdings
Cyclophosphamide US10993952 Stable ready to use cyclophosphamide liquid formulations Feb 15, 2036 Dr Reddys
Cyclophosphamide US11382923 Stable liquid formulations of cyclophosphamide and processes to prepare the same Dec 01, 2035 Avyxa Holdings
Cyclophosphamide US9662342 Formulations of cyclophosphamide liquid concentrate Jun 26, 2035 Eugia Pharma Speclts


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 Cyclophosphamide's patents.

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

Event Date Patent/Publication
Patent litigations
Payment of Maintenance Fee, 4th Year, Large Entity 30 May, 2024 US10849916
Payment of Maintenance Fee, 4th Yr, Small Entity 08 May, 2024 US10993952(Litigated)
Patent Issue Date Used in PTA Calculation 12 Jul, 2022 US11382923
Recordation of Patent Grant Mailed 12 Jul, 2022 US11382923
Email Notification 23 Jun, 2022 US11382923
Issue Notification Mailed 22 Jun, 2022 US11382923
Application Is Considered Ready for Issue 08 Jun, 2022 US11382923
Dispatch to FDC 08 Jun, 2022 US11382923
Issue Fee Payment Received 06 Jun, 2022 US11382923
Issue Fee Payment Verified 06 Jun, 2022 US11382923



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Cyclophosphamide Generics

Several generic applications have been filed for Cyclophosphamide. The first generic version for Cyclophosphamide was by Bedford Laboratories Div Ben Venue Laboratories Inc and was approved on Feb 16, 1982. And the latest generic version is by Hikma Pharmaceuticals Usa Inc and was approved on Dec 18, 2023.

Given below is the list of companies who have filed for Cyclophosphamide generic.


1. CIPLA

Cipla Ltd has filed for 2 different strengths of generic version for Cyclophosphamide. Given below are the details of the strengths of this generic introduced by Cipla.

Strength Dosage Form Availability Application Pathway TE code Launch Date
25MG capsule Prescription ORAL AB Jan 18, 2019
50MG capsule Prescription ORAL AB Jan 18, 2019


2. AMNEAL

Amneal Eu Ltd has filed for 3 different strengths of generic version for Cyclophosphamide. Given below are the details of the strengths of this generic introduced by Amneal.

Strength Dosage Form Availability Application Pathway TE code Launch Date
2GM/VIAL injectable Prescription INJECTION AP May 25, 2018
1GM/VIAL injectable Prescription INJECTION AP May 25, 2018
500MG/VIAL injectable Prescription INJECTION AP May 25, 2018


3. ANI PHARMS

Ani Pharmaceuticals Inc has filed for 2 different strengths of generic version for Cyclophosphamide. Given below are the details of the strengths of this generic introduced by Ani Pharms.

Strength Dosage Form Availability Application Pathway TE code Launch Date
50MG capsule Discontinued ORAL N/A Mar 19, 2018
25MG capsule Discontinued ORAL N/A Mar 19, 2018


4. HIKMA

Hikma Pharmaceuticals Usa Inc has filed for 3 different strengths of generic version for Cyclophosphamide. Given below are the details of the strengths of this generic introduced by Hikma.

Strength Dosage Form Availability Application Pathway TE code Launch Date
2GM/VIAL injectable Prescription INJECTION AP Dec 18, 2023
1GM/VIAL injectable Prescription INJECTION AP Dec 18, 2023
500MG/VIAL injectable Prescription INJECTION AP Dec 18, 2023


5. ROXANE

Roxane Laboratories Inc has filed for 2 different strengths of generic version for Cyclophosphamide. Given below are the details of the strengths of this generic introduced by Roxane.

Strength Dosage Form Availability Application Pathway TE code Launch Date
50MG tablet Discontinued ORAL N/A Aug 17, 1999
25MG tablet Discontinued ORAL N/A Aug 17, 1999


6. SUNNY

Sunny Pharmtech Inc has filed for 3 different strengths of generic version for Cyclophosphamide. Given below are the details of the strengths of this generic introduced by Sunny.

Strength Dosage Form Availability Application Pathway TE code Launch Date
500MG/VIAL injectable Prescription INJECTION AP Oct 26, 2023
2GM/VIAL injectable Prescription INJECTION AP Oct 26, 2023
1GM/VIAL injectable Prescription INJECTION AP Oct 26, 2023


7. HENGRUI PHARMA

Jiangsu Hengrui Pharmaceuticals Co Ltd has filed for 3 different strengths of generic version for Cyclophosphamide. Given below are the details of the strengths of this generic introduced by Hengrui Pharma.

Strength Dosage Form Availability Application Pathway TE code Launch Date
500MG/VIAL injectable Prescription INJECTION AP Oct 31, 2014
1GM/VIAL injectable Prescription INJECTION AP Oct 31, 2014
2GM/VIAL injectable Prescription INJECTION AP Oct 31, 2014


8. BEDFORD

Bedford Laboratories Div Ben Venue Laboratories Inc has filed for 5 different strengths of generic version for Cyclophosphamide. All of these versions come by the name NEOSAR. Given below are the details of the strengths of this generic introduced by Bedford.

Strength Dosage Form Availability Application Pathway TE code Launch Date
100MG/VIAL injectable Discontinued INJECTION N/A Feb 16, 1982
500MG/VIAL injectable Discontinued INJECTION N/A Feb 16, 1982
200MG/VIAL injectable Discontinued INJECTION N/A Feb 16, 1982
1GM/VIAL injectable Discontinued INJECTION N/A Jul 8, 1983
2GM/VIAL injectable Discontinued INJECTION N/A Mar 30, 1989


9. ANIMA

Anima Pharmaceuticals Pvt Ltd has filed for 2 different strengths of generic version for Cyclophosphamide. Given below are the details of the strengths of this generic introduced by Anima.

Strength Dosage Form Availability Application Pathway TE code Launch Date
25MG capsule Prescription ORAL AB May 7, 2018
50MG capsule Prescription ORAL AB May 7, 2018


10. BAXTER HLTHCARE

Baxter Healthcare Corp has filed for 5 different strengths of generic version for Cyclophosphamide. Given below are the details of the strengths of this generic introduced by Baxter Hlthcare.

Strength Dosage Form Availability Application Pathway TE code Launch Date
500MG/VIAL

(reference standard)

injectable Prescription INJECTION AP May 21, 2008
100MG/VIAL injectable Discontinued INJECTION N/A Jul 3, 1986
200MG/VIAL injectable Discontinued INJECTION N/A Jul 3, 1986
1GM/VIAL

(reference standard)

injectable Prescription INJECTION AP May 21, 2008
2GM/VIAL

(reference standard)

injectable Prescription INJECTION AP May 21, 2008


11. ZYDUS LIFESCIENCES

Zydus Lifesciences Ltd has filed for 2 different strengths of generic version for Cyclophosphamide. Given below are the details of the strengths of this generic introduced by Zydus Lifesciences.

Strength Dosage Form Availability Application Pathway TE code Launch Date
25MG capsule Prescription ORAL AB Dec 13, 2023
50MG capsule Prescription ORAL AB Dec 13, 2023


12. SAGENT PHARMS INC

Sagent Pharmaceuticals Inc has filed for 3 different strengths of generic version for Cyclophosphamide. Given below are the details of the strengths of this generic introduced by Sagent Pharms Inc.

Strength Dosage Form Availability Application Pathway TE code Launch Date
500MG/VIAL injectable Prescription INJECTION AP Jul 17, 2023
1GM/VIAL injectable Prescription INJECTION AP Jul 17, 2023
2GM/VIAL injectable Prescription INJECTION AP Jul 17, 2023


13. TEVA PARENTERAL

Teva Parenteral Medicines Inc has filed for 5 different strengths of generic version for Cyclophosphamide. All of these versions come by the name NEOSAR. Given below are the details of the strengths of this generic introduced by Teva Parenteral.

Strength Dosage Form Availability Application Pathway TE code Launch Date
2GM/VIAL injectable Discontinued INJECTION N/A Apr 29, 1993
1GM/VIAL injectable Discontinued INJECTION N/A Apr 29, 1993
500MG/VIAL injectable Discontinued INJECTION N/A Apr 29, 1993
200MG/VIAL injectable Discontinued INJECTION N/A Apr 29, 1993
100MG/VIAL injectable Discontinued INJECTION N/A Apr 29, 1993


14. XGEN PHARMS

Xgen Pharmaceuticals Djb Inc has filed for 3 different strengths of generic version for Cyclophosphamide. Given below are the details of the strengths of this generic introduced by Xgen Pharms.

Strength Dosage Form Availability Application Pathway TE code Launch Date
1GM/VIAL injectable Prescription INJECTION AP Oct 18, 2022
500MG/VIAL injectable Prescription INJECTION AP Oct 18, 2022
2GM/VIAL injectable Prescription INJECTION AP Oct 18, 2022


15. ALEMBIC

Alembic Pharmaceuticals Ltd has filed for 2 different strengths of generic version for Cyclophosphamide. Given below are the details of the strengths of this generic introduced by Alembic.

Strength Dosage Form Availability Application Pathway TE code Launch Date
25MG capsule Prescription ORAL AB Nov 10, 2022
50MG capsule Prescription ORAL AB Nov 10, 2022