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Last Updated: August 19, 2022

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 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. Fifteen 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

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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: See Plans and Pricing
Patent Expiration: See Plans and Pricing
Patented Use: METHOD OF TREATING BACTERIAL INFECTIONS

Compositions containing piperacillin and tazobactam useful for injection
Patent Number: See Plans and Pricing
Patent Expiration: See Plans and Pricing

Compositions containing piperacillin and tazobactam useful for injection
Patent Number: See Plans and Pricing
Patent Expiration: See Plans and Pricing
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 See Plans and Pricing See Plans and Pricing Y See Plans and Pricing
Wyeth Pharms ZOSYN IN PLASTIC CONTAINER piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050750-001 Feb 24, 1998 RX Yes Yes See Plans and Pricing See Plans and Pricing Y See Plans and Pricing
Wyeth Pharms ZOSYN piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050684-003 Oct 22, 1993 DISCN Yes No See Plans and Pricing See Plans and Pricing Y See Plans and Pricing
Wyeth Pharms ZOSYN piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050684-002 Oct 22, 1993 DISCN Yes No See Plans and Pricing See Plans and Pricing Y See Plans and Pricing
Wyeth Pharms ZOSYN piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050684-004 Oct 22, 1993 DISCN Yes No See Plans and Pricing See Plans and Pricing Y See Plans and Pricing
Wyeth Pharms ZOSYN IN PLASTIC CONTAINER piperacillin sodium; tazobactam sodium INJECTABLE;INJECTION 050750-002 Feb 24, 1998 RX Yes Yes See Plans and Pricing See Plans and Pricing Y See Plans and Pricing
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for ZOSYN

See the table below for patents covering ZOSYN around the world.

Country Patent Number Title Estimated Expiration
Portugal 1468697 See Plans and Pricing
World Intellectual Property Organization (WIPO) 2004091666 See Plans and Pricing
United Kingdom 0407853 See Plans and Pricing
Ecuador SP056100 COMPOSICIONES QUE CONTIENEN PIPERACILINA Y TAZOBACTAM ĂšTILES PARA INJECCIONES See Plans and Pricing
Taiwan I308069 See Plans and Pricing
China 1802179 Compositions containing piperacillin and tazobactam useful for injection See Plans and Pricing
>Country >Patent Number >Title >Estimated Expiration

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Serving leading biopharmaceutical companies globally:

McKinsey
Moodys
McKesson
Express Scripts
Baxter
Dow

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.