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Serving leading biopharmaceutical companies globally:

UBS
Daiichi Sankyo
Johnson and Johnson
Teva
Novartis
US Department of Justice
Merck
Cantor Fitzgerald
Citi
Dow

Generated: October 22, 2017

DrugPatentWatch Database Preview

Details for Patent: 8,133,883

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Which drugs does patent 8,133,883 protect, and when does it expire?


Patent 8,133,883 protects ZOSYN IN PLASTIC CONTAINER and ZOSYN and is included in two NDAs. There have been two Paragraph IV challenges on Zosyn.

This patent has thirty-eight patent family members in thirty-three countries.

Summary for Patent: 8,133,883

Title:Compositions containing piperacillin and tazobactam useful for injection
Abstract: An aminocarboxylic acid chelating agent, preferably EDTA, or a salt thereof has been found to be useful for inhibiting particulate formation in piperacillin/tazobactam parenteral combinations. The composition may also contain a buffer, preferably citrate, and optionally an aminoglycoside. The product may be in the form of a frozen composition that can be thawed for use. The product may also be in the form of a cryodesiccated powder that can be reconstituted by addition of an aqueous vehicle to reform a solution.
Inventor(s): Cohen; Jonathan M. (Monroe, NY), Shah; Syed M (East Hanover, NJ), Ofslager; Christian L. (Newburgh, NY), Fawzi; Mahdi B. (Morristown, NJ)
Assignee: Pfizer Inc. (New York, NY)
Application Number:13/033,861
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form; Formulation;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Wyeth Pharms Inc
ZOSYN IN PLASTIC CONTAINER
piperacillin sodium; tazobactam sodium
INJECTABLE;INJECTION050750-003Feb 24, 1998RXYesYes► Subscribe► SubscribeY METHOD OF TREATING BACTERIAL INFECTIONS
Wyeth Pharms Inc
ZOSYN IN PLASTIC CONTAINER
piperacillin sodium; tazobactam sodium
INJECTABLE;INJECTION050750-001Feb 24, 1998RXYesYes► Subscribe► SubscribeY METHOD OF TREATING BACTERIAL INFECTIONS
Wyeth Pharms Inc
ZOSYN IN PLASTIC CONTAINER
piperacillin sodium; tazobactam sodium
INJECTABLE;INJECTION050750-002Feb 24, 1998RXYesYes► Subscribe► SubscribeY METHOD OF TREATING BACTERIAL INFECTIONS
Wyeth Pharms Inc
ZOSYN
piperacillin sodium; tazobactam sodium
INJECTABLE;INJECTION050684-001Oct 22, 1993APRXYesYes► Subscribe► SubscribeY METHOD OF TREATING BACTERIAL INFECTIONS
Wyeth Pharms Inc
ZOSYN
piperacillin sodium; tazobactam sodium
INJECTABLE;INJECTION050684-002Oct 22, 1993APRXYesYes► Subscribe► SubscribeY METHOD OF TREATING BACTERIAL INFECTIONS
Wyeth Pharms Inc
ZOSYN
piperacillin sodium; tazobactam sodium
INJECTABLE;INJECTION050684-003Oct 22, 1993APRXYesYes► Subscribe► SubscribeY METHOD OF TREATING BACTERIAL INFECTIONS
Wyeth Pharms Inc
ZOSYN
piperacillin sodium; tazobactam sodium
INJECTABLE;INJECTION050684-004Oct 22, 1993APRXYesYes► Subscribe► SubscribeY METHOD OF TREATING BACTERIAL INFECTIONS
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Non-Orange Book Patents for Patent: 8,133,883

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
7,498,312Compositions containing piperacillin and tazobactam useful for injection► Subscribe
7,915,229Compositions containing piperacillin and tazobactam useful for injection► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Patent: 8,133,883

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Saudi Arabia1990► Subscribe
Russian Federation2007142454► Subscribe
Russian Federation2322980► Subscribe
Russian Federation2005135135► Subscribe
Portugal1468697► Subscribe
New Zealand543005► Subscribe
Norway20054789► Subscribe
Malaysia139099► Subscribe
MexicoPA05010996► Subscribe
South Korea100824554► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

US Department of Justice
McKinsey
Express Scripts
QuintilesIMS
Farmers Insurance
Moodys
Julphar
Cerilliant
Citi
US Army

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 verifification 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.

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