ZOSYN Drug Patent Profile
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Which patents cover Zosyn, and what generic alternatives are available?
Zosyn is a drug marketed by Wyeth Pharms and Baxter Hlthcare Corp and is included in two NDAs. There are three patents protecting this drug and one Paragraph IV challenge.
This drug has forty-one patent family members in thirty-four countries.
The generic ingredient in ZOSYN is piperacillin sodium; tazobactam sodium. There are sixteen drug master file entries for this compound. Twenty-one suppliers are listed for this compound. Additional details are available on the piperacillin sodium; tazobactam sodium profile page.
DrugPatentWatch® Generic Entry Outlook for Zosyn
There is one Paragraph IV patent challenge for this drug. This may lead to patent invalidation or a license for generic production.
Indicators of Generic Entry
Summary for ZOSYN
International Patents: | 41 |
US Patents: | 3 |
Applicants: | 2 |
NDAs: | 2 |
Raw Ingredient (Bulk) Api Vendors: | 6 |
Patent Applications: | 1 |
Formulation / Manufacturing: | see details |
Drug Prices: | Drug price information for ZOSYN |
What excipients (inactive ingredients) are in ZOSYN? | ZOSYN excipients list |
DailyMed Link: | ZOSYN at DailyMed |


Anatomical Therapeutic Chemical (ATC) Classes for ZOSYN
Paragraph IV (Patent) Challenges for ZOSYN
Tradename | Dosage | Ingredient | Strength | NDA | ANDAs Submitted | Submissiondate |
---|---|---|---|---|---|---|
ZOSYN | For Injection | piperacillin sodium; tazobactam sodium | 12 g/1.5 g per vial (pharmacy bulk) | 050684 | 1 | 2011-12-06 |
US Patents and Regulatory Information for ZOSYN
ZOSYN is protected by three US patents.
Patents protecting ZOSYN
Compositions containing pipercillin and tazobactam useful for injection
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: METHOD OF TREATING BACTERIAL INFECTIONS
Compositions containing piperacillin and tazobactam useful for injection
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Compositions containing piperacillin and tazobactam useful for injection
Patent Number: ⤷ Try a Trial
Patent Expiration: ⤷ Try a Trial
Patented Use: METHOD OF TREATING BACTERIAL INFECTIONS
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-001 | Oct 22, 1993 | DISCN | Yes | No | ⤷ Try a Trial | ⤷ Try a Trial | Y | ⤷ Try a Trial | |||
Baxter Hlthcare Corp | ZOSYN IN PLASTIC CONTAINER | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050750-001 | Feb 24, 1998 | RX | Yes | Yes | ⤷ Try a Trial | ⤷ Try a Trial | Y | ⤷ Try a Trial | |||
Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-003 | Oct 22, 1993 | DISCN | Yes | No | ⤷ Try a Trial | ⤷ Try a Trial | Y | ⤷ Try a Trial | |||
Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-002 | Oct 22, 1993 | DISCN | Yes | No | ⤷ Try a Trial | ⤷ Try a Trial | Y | ⤷ Try a Trial | |||
Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-004 | Oct 22, 1993 | DISCN | Yes | No | ⤷ Try a Trial | ⤷ Try a Trial | Y | ⤷ Try a Trial | |||
Baxter Hlthcare Corp | ZOSYN IN PLASTIC CONTAINER | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050750-002 | Feb 24, 1998 | RX | Yes | Yes | ⤷ Try a Trial | ⤷ Try a Trial | Y | ⤷ Try a Trial | |||
Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-003 | Oct 22, 1993 | DISCN | Yes | No | ⤷ Try a Trial | ⤷ Try a Trial | Y | ⤷ Try a Trial | |||
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Exclusivity Expiration |
Expired US Patents for ZOSYN
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | Patent No. | Patent Expiration |
---|---|---|---|---|---|---|---|
Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-003 | Oct 22, 1993 | ⤷ Try a Trial | ⤷ Try a Trial |
Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-001 | Oct 22, 1993 | ⤷ Try a Trial | ⤷ Try a Trial |
Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-004 | Oct 22, 1993 | ⤷ Try a Trial | ⤷ Try a Trial |
Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-003 | Oct 22, 1993 | ⤷ Try a Trial | ⤷ Try a Trial |
Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-004 | Oct 22, 1993 | ⤷ Try a Trial | ⤷ Try a Trial |
Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-001 | Oct 22, 1993 | ⤷ Try a Trial | ⤷ Try a Trial |
Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-004 | Oct 22, 1993 | ⤷ Try a Trial | ⤷ Try a Trial |
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >Patent No. | >Patent Expiration |
International Patents for ZOSYN
See the table below for patents covering ZOSYN around the world.
Country | Patent Number | Title | Estimated Expiration |
---|---|---|---|
Russian Federation | 2005135135 | КОМПОЗИЦИИ, СОДЕРЖАЩИЕ ПИПЕРАЦИЛЛИН И ТАЗОБАКТАМ,ПРИМЕНИМЫЕ ДЛЯ ИНЪЕКЦИИ | ⤷ Try a Trial |
South Korea | 100824554 | ⤷ Try a Trial | |
Colombia | 5700796 | COMPOSICIONES QUE CONTIENEN PIPERACILINA Y TAZOBACTAM UTILES PARA INYECCIONES | ⤷ Try a Trial |
China | 1802179 | Compositions containing piperacillin and tazobactam useful for injection | ⤷ Try a Trial |
South Korea | 20060014375 | COMPOSITIONS CONTAINING PIPERACILLIN AND TAZOBACTAM USEFUL FOR INJECTION | ⤷ Try a Trial |
Israel | 171337 | PHARMACEUTICAL COMPOSITIONS CONTAINING PIPERACILLIN AND TAZOBACTAM, USES THEREOF AND PROCESSES FOR THE PREPARATION THEREOF | ⤷ Try a Trial |
Brazil | PI0409450 | composições que contêm peperacilina e tazobactamo, úteis para injeção | ⤷ Try a Trial |
>Country | >Patent Number | >Title | >Estimated Expiration |