Piperacillin Sodium; Tazobactam Sodium Patent Expiration

Piperacillin Sodium; Tazobactam Sodium is used for treating bacterial infections. It was first introduced by Wyeth Pharmaceuticals Llc in its drug Zosyn on Oct 22, 1993. Another drug containing Piperacillin Sodium; Tazobactam Sodium is Zosyn In Plastic Container. 15 different companies have introduced drugs containing Piperacillin Sodium; Tazobactam Sodium.


Piperacillin Sodium; Tazobactam Sodium Patents

Given below is the list of patents protecting Piperacillin Sodium; Tazobactam Sodium, 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
Zosyn US6900184 Compositions containing pipercillin and tazobactam useful for injection Apr 14, 2023

(Expired)

Wyeth Pharms
Zosyn US7915229 Compositions containing piperacillin and tazobactam useful for injection Apr 14, 2023

(Expired)

Wyeth Pharms
Zosyn US8133883 Compositions containing piperacillin and tazobactam useful for injection Apr 14, 2023

(Expired)

Wyeth Pharms
Zosyn In Plastic Container US6207661 Premixed formulation of piperacillin sodium and tazobactam sodium injection Feb 22, 2019

(Expired)

Baxter Hlthcare Corp
Zosyn In Plastic Container US6900184 Compositions containing pipercillin and tazobactam useful for injection Apr 14, 2023

(Expired)

Baxter Hlthcare Corp
Zosyn In Plastic Container US7915229 Compositions containing piperacillin and tazobactam useful for injection Apr 14, 2023

(Expired)

Baxter Hlthcare Corp
Zosyn In Plastic Container US8133883 Compositions containing piperacillin and tazobactam useful for injection Apr 14, 2023

(Expired)

Baxter Hlthcare Corp



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 Piperacillin Sodium; Tazobactam Sodium's patents.

Given below is the list recent legal activities going on the following patents of Piperacillin Sodium; Tazobactam Sodium.

Activity Date Patent Number
Patent litigations
Expire Patent 15 Apr, 2024 US8133883
Maintenance Fee Reminder Mailed 30 Oct, 2023 US8133883
Payment of Maintenance Fee, 12th Year, Large Entity 05 Aug, 2022 US7915229
Change in Power of Attorney (May Include Associate POA) 24 Jun, 2022 US8133883
Email Notification 24 Jun, 2022 US8133883
Correspondence Address Change 23 Jun, 2022 US8133883
Email Notification 23 Jun, 2022 US7915229
Change in Power of Attorney (May Include Associate POA) 23 Jun, 2022 US7915229
Correspondence Address Change 22 Jun, 2022 US7915229
Change in Power of Attorney (May Include Associate POA) 21 Jun, 2022 US6900184



Piperacillin Sodium; Tazobactam Sodium Generics

Several generic applications have been filed for Piperacillin Sodium; Tazobactam Sodium. The first generic version for Piperacillin Sodium; Tazobactam Sodium was by Hospira Inc and was approved on Sep 15, 2009. And the latest generic version is by Eugia Pharma Specialities Ltd and was approved on Oct 12, 2023.

Given below is the list of companies who have filed for Piperacillin Sodium; Tazobactam Sodium generic.


1. ASTRAL

Astral Steritech Pvt Ltd has filed for 3 different strengths of generic version for Piperacillin Sodium; Tazobactam Sodium. All of these versions come by the name PIPERACILLIN AND TAZOBACTAM. Given below are the details of the strengths of this generic introduced by Astral.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 4GM BASE/VIAL; EQ 500MG BASE/VIAL injectable Discontinued INJECTION N/A Jul 29, 2019
EQ 2GM BASE/VIAL; EQ 250MG BASE/VIAL injectable Discontinued INJECTION N/A Jul 29, 2019
EQ 3GM BASE/VIAL; EQ 375MG BASE/VIAL injectable Discontinued INJECTION N/A Jul 29, 2019


2. EUGIA PHARMA

Eugia Pharma Specialities Ltd has filed for 2 different strengths of generic version for Piperacillin Sodium; Tazobactam Sodium. All of these versions come by the name PIPERACILLIN AND TAZOBACTAM. Given below are the details of the strengths of this generic introduced by Eugia Pharma.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 36GM BASE/VIAL; EQ 4.5GM BASE/VIAL injectable Discontinued INJECTION N/A Oct 12, 2023
EQ 12GM BASE/VIAL; EQ 1.5GM BASE/VIAL injectable Discontinued INJECTION N/A Oct 12, 2023


3. EUGIA PHARMA SPECLTS

Eugia Pharma Specialities Ltd has filed for 3 different strengths of generic version for Piperacillin Sodium; Tazobactam Sodium. All of these versions come by the name PIPERACILLIN AND TAZOBACTAM. Given below are the details of the strengths of this generic introduced by Eugia Pharma Speclts.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 3GM BASE/VIAL; EQ 375MG BASE/VIAL injectable Prescription INJECTION AP May 23, 2011
EQ 2GM BASE/VIAL; EQ 250MG BASE/VIAL injectable Prescription INJECTION AP May 23, 2011
EQ 4GM BASE/VIAL; EQ 500MG BASE/VIAL injectable Prescription INJECTION AP May 23, 2011


4. FRESENIUS KABI

Fresenius Kabi Anti Infectives Srl has filed for 4 different strengths of generic version for Piperacillin Sodium; Tazobactam Sodium. All of these versions come by the name PIPERACILLIN AND TAZOBACTAM. Given below are the details of the strengths of this generic introduced by Fresenius Kabi.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 36GM BASE/VIAL; EQ 4.5GM BASE/VIAL injectable Prescription INJECTION AP May 11, 2018
EQ 4GM BASE/VIAL; EQ 500MG BASE/VIAL injectable Prescription INJECTION AP May 18, 2018
EQ 3GM BASE/VIAL; EQ 375MG BASE/VIAL injectable Prescription INJECTION AP May 18, 2018
EQ 2GM BASE/VIAL; EQ 250MG BASE/VIAL injectable Prescription INJECTION AP May 18, 2018


5. FRESENIUS KABI USA

Fresenius Kabi Usa Llc has filed for 1 generic for Piperacillin Sodium; Tazobactam Sodium. This eq 12gm base/vial;eq 1.5gm base/vial version comes by the name PIPERACILLIN AND TAZOBACTAM. Given below are the details of the strengths of this generic introduced by Fresenius Kabi Usa.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 12GM BASE/VIAL; EQ 1.5GM BASE/VIAL injectable Discontinued INJECTION N/A May 11, 2018


6. HOSPIRA INC

Hospira Inc has filed for 4 different strengths of generic version for Piperacillin Sodium; Tazobactam Sodium. All of these versions come by the name PIPERACILLIN AND TAZOBACTAM. Given below are the details of the strengths of this generic introduced by Hospira Inc.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 36GM BASE/VIAL; EQ 4.5GM BASE/VIAL injectable Discontinued INJECTION N/A Sep 15, 2009
EQ 2GM BASE/VIAL; EQ 250MG BASE/VIAL injectable Discontinued INJECTION N/A Sep 15, 2009
EQ 3GM BASE/VIAL; EQ 375MG BASE/VIAL injectable Discontinued INJECTION N/A Sep 15, 2009
EQ 4GM BASE/VIAL; EQ 500MG BASE/VIAL injectable Discontinued INJECTION N/A Sep 15, 2009


7. ISTITUTO BIO ITA SPA

Istituto Biochimico Italiano Spa has filed for 4 different strengths of generic version for Piperacillin Sodium; Tazobactam Sodium. All of these versions come by the name PIPERACILLIN AND TAZOBACTAM. Given below are the details of the strengths of this generic introduced by Istituto Bio Ita Spa.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 3GM BASE/VIAL; EQ 375MG BASE/VIAL injectable Prescription INJECTION AP May 31, 2011
EQ 36GM BASE/VIAL; EQ 4.5GM BASE/VIAL injectable Prescription INJECTION AP May 31, 2011
EQ 4GM BASE/VIAL; EQ 500MG BASE/VIAL injectable Prescription INJECTION AP May 31, 2011
EQ 2GM BASE/VIAL; EQ 250MG BASE/VIAL injectable Prescription INJECTION AP May 31, 2011


8. PROVEPHARM SAS

Provepharm Sas has filed for 5 different strengths of generic version for Piperacillin Sodium; Tazobactam Sodium. All of these versions come by the name PIPERACILLIN AND TAZOBACTAM. Given below are the details of the strengths of this generic introduced by Provepharm Sas.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 36GM BASE/VIAL; EQ 4.5GM BASE/VIAL injectable Prescription INJECTION AP Jan 13, 2017
EQ 4GM BASE/VIAL; EQ 500MG BASE/VIAL injectable Prescription INJECTION AP Jan 13, 2017
EQ 2GM BASE/VIAL; EQ 250MG BASE/VIAL injectable Prescription INJECTION AP Jan 13, 2017
EQ 3GM BASE/VIAL; EQ 375MG BASE/VIAL injectable Prescription INJECTION AP Jan 13, 2017
EQ 12GM BASE/VIAL; EQ 1.5GM BASE/VIAL injectable Prescription INJECTION AP May 11, 2018


9. SAGENT PHARMS INC

Sagent Pharmaceuticals Inc has filed for 4 different strengths of generic version for Piperacillin Sodium; Tazobactam Sodium. All of these versions come by the name PIPERACILLIN AND TAZOBACTAM. 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
EQ 36GM BASE/VIAL; EQ 4.5GM BASE/VIAL injectable Prescription INJECTION AP Feb 16, 2021
EQ 4GM BASE/VIAL; EQ 500MG BASE/VIAL injectable Prescription INJECTION AP Feb 16, 2021
EQ 2GM BASE/VIAL; EQ 250MG BASE/VIAL injectable Prescription INJECTION AP Feb 16, 2021
EQ 3GM BASE/VIAL; EQ 375MG BASE/VIAL injectable Prescription INJECTION AP Feb 16, 2021


10. SANDOZ

Sandoz Inc has filed for 5 different strengths of generic version for Piperacillin Sodium; Tazobactam Sodium. All of these versions come by the name PIPERACILLIN AND TAZOBACTAM. Given below are the details of the strengths of this generic introduced by Sandoz.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 3GM BASE/VIAL; EQ 375MG BASE/VIAL injectable Prescription INJECTION AP Oct 21, 2010
EQ 4GM BASE/VIAL; EQ 500MG BASE/VIAL injectable Prescription INJECTION AP Oct 21, 2010
EQ 2GM BASE/VIAL; EQ 250MG BASE/VIAL injectable Prescription INJECTION AP Oct 21, 2010
EQ 12GM BASE/VIAL; EQ 1.5GM BASE/VIAL

(reference standard)

injectable Prescription INJECTION AP Oct 29, 2014
EQ 36GM BASE/VIAL; EQ 4.5GM BASE/VIAL injectable Prescription INJECTION AP Jul 8, 2021


11. SHANDONG

Shandong Anxin Pharmaceutical Co Ltd has filed for 4 different strengths of generic version for Piperacillin Sodium; Tazobactam Sodium. All of these versions come by the name PIPERACILLIN AND TAZOBACTAM. Given below are the details of the strengths of this generic introduced by Shandong.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 4GM BASE/VIAL; EQ 500MG BASE/VIAL injectable Prescription INJECTION AP Aug 10, 2018
EQ 2GM BASE/VIAL; EQ 250MG BASE/VIAL injectable Prescription INJECTION AP Aug 10, 2018
EQ 3GM BASE/VIAL; EQ 375MG BASE/VIAL injectable Prescription INJECTION AP Aug 10, 2018
EQ 36GM BASE/VIAL; EQ 4.5GM BASE/VIAL injectable Prescription INJECTION AP Apr 14, 2023


12. STERISCIENCE

Steriscience Pte Ltd has filed for 3 different strengths of generic version for Piperacillin Sodium; Tazobactam Sodium. All of these versions come by the name PIPERACILLIN AND TAZOBACTAM. Given below are the details of the strengths of this generic introduced by Steriscience.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 2GM BASE/VIAL; EQ 250MG BASE/VIAL injectable Prescription INJECTION AP Aug 15, 2014
EQ 4GM BASE/VIAL; EQ 500MG BASE/VIAL injectable Prescription INJECTION AP Aug 15, 2014
EQ 3GM BASE/VIAL; EQ 375MG BASE/VIAL injectable Prescription INJECTION AP Aug 15, 2014


13. WOCKHARDT BIO AG

Wockhardt Bio Ag has filed for 4 different strengths of generic version for Piperacillin Sodium; Tazobactam Sodium. All of these versions come by the name PIPERACILLIN AND TAZOBACTAM. Given below are the details of the strengths of this generic introduced by Wockhardt Bio Ag.

Strength Dosage Form Availability Application Pathway TE code Launch Date
EQ 36GM BASE/VIAL; EQ 4.5GM BASE/VIAL

(reference standard)

injectable Prescription INJECTION AP Mar 17, 2017
EQ 4GM BASE/VIAL; EQ 500MG BASE/VIAL

(reference standard)

injectable Prescription INJECTION AP Mar 22, 2017
EQ 2GM BASE/VIAL; EQ 250MG BASE/VIAL

(reference standard)

injectable Prescription INJECTION AP Mar 22, 2017
EQ 3GM BASE/VIAL; EQ 375MG BASE/VIAL

(reference standard)

injectable Prescription INJECTION AP Mar 22, 2017