DrugPatentWatch Database Preview
ZOSYN Drug Profile
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When do Zosyn patents expire, and when can generic versions of Zosyn launch?
This drug has forty-one patent family members in thirty-three countries.
The generic ingredient in ZOSYN is piperacillin sodium; tazobactam sodium. There are sixteen drug master file entries for this compound. Thirteen suppliers are listed for this compound. Additional details are available on the piperacillin sodium; tazobactam sodium profile page.
Summary for ZOSYN
| International Patents: | 41 |
| US Patents: | 3 |
| Applicants: | 1 |
| NDAs: | 2 |
| Suppliers / Packagers: | 1 |
| Bulk Api Vendors: | 56 |
| Formulation / Manufacturing: | see details |
| DailyMed Link: | ZOSYN at DailyMed |
Pharmacology for ZOSYN
| Ingredient-type | Penicillins |
| Drug Class | beta Lactamase Inhibitor Penicillin-class Antibacterial |
| Mechanism of Action | beta Lactamase Inhibitors |
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 Inc | 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 Inc | 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 Inc | 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 Inc | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-003 | Oct 22, 1993 | AP | 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 | Submissiondate |
|---|---|---|---|---|
| ➤ Subscribe | For Injection | 12 g/1.5 g per vial (pharmacy bulk) | ➤ Subscribe | 2011-12-06 |
| ➤ Subscribe | For Injection | 2.25 g/vial, 3.375 g/vial, 4.5 g/via | ➤ Subscribe | 0000-00-00 |
Non-Orange Book US Patents for ZOSYN
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 |
|---|---|---|
| 7,498,312 | Compositions containing piperacillin and tazobactam useful for injection | ➤ Sign Up |
| Patent No. | Title | Estimated Patent Expiration |
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International Patents for ZOSYN
| Country | Document Number | Estimated Expiration |
|---|---|---|
| Slovenia | 1468697 | ➤ Sign Up |
| United Kingdom | 2400557 | ➤ Sign Up |
| United Kingdom | 0407853 | ➤ Sign Up |
| Canada | 2464258 | ➤ Sign Up |
| Country | Document Number | Estimated Expiration |
