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Generated: November 18, 2018

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ZOSYN Drug Profile

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Which patents cover Zosyn, and what generic alternatives are available?

Zosyn is a drug marketed by Wyeth Pharms and is included in two NDAs. There are four patents protecting this drug and two Paragraph IV challenges.

The generic ingredient in ZOSYN is piperacillin sodium; tazobactam sodium. There are sixteen drug master file entries for this compound. Fourteen suppliers are listed for this compound. Additional details are available on the piperacillin sodium; tazobactam sodium profile page.

US Patents and Regulatory Information for ZOSYN

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 AP RX Yes Yes ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
Wyeth Pharms ZOSYN IN PLASTIC CONTAINER piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050750-001 Feb 24, 1998 RX Yes Yes ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
Wyeth Pharms ZOSYN IN PLASTIC CONTAINER piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050750-002 Feb 24, 1998 RX Yes Yes ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
Wyeth Pharms ZOSYN piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050684-003 Oct 22, 1993 AP RX Yes Yes ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
Wyeth Pharms ZOSYN piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050684-002 Oct 22, 1993 AP RX Yes Yes ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
Wyeth Pharms ZOSYN piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050684-004 Oct 22, 1993 AP RX Yes Yes ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
Wyeth Pharms ZOSYN IN PLASTIC CONTAINER piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050750-001 Feb 24, 1998 RX Yes Yes ➤ Sign Up ➤ Sign Up Y ➤ Sign Up
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration

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Paragraph IV (Patent) Challenges for ZOSYN
Drugname Dosage Strength RLD Date
➤ Subscribe For Injection 12 g/1.5 g per vial (pharmacy bulk) ➤ Subscribe ➤ Sign Up
➤ Subscribe For Injection 2.25 g/vial, 3.375 g/vial, 4.5 g/via ➤ Subscribe ➤ Sign Up

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Serving hundreds of leading biopharmaceutical companies globally:

Covington
Accenture
Medtronic
US Army
Harvard Business School
Baxter
Deloitte
McKesson
Daiichi Sankyo

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