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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 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. Fourteen 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: | 1 |
| NDAs: | 2 |
| Raw Ingredient (Bulk) Api Vendors: | 75 |
| 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 |
ATC Classes for ZOSYN
Paragraph IV (Patent) Challenges for ZOSYN
| Tradename | Dosage | Ingredient | NDA | Submissiondate |
|---|---|---|---|---|
| ZOSYN | INJECTABLE;INJECTION | piperacillin sodium; tazobactam sodium | 050684 | 2011-12-06 |
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 | DISCN | Yes | No | Try Before You Buy | Try Before You Buy | Y | Try Before You Buy | |||
| Wyeth Pharms | ZOSYN IN PLASTIC CONTAINER | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050750-001 | Feb 24, 1998 | RX | Yes | Yes | Try Before You Buy | Try Before You Buy | Y | Try Before You Buy | |||
| Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-003 | Oct 22, 1993 | DISCN | Yes | No | Try Before You Buy | Try Before You Buy | Y | Try Before You Buy | |||
| Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-002 | Oct 22, 1993 | DISCN | Yes | No | Try Before You Buy | Try Before You Buy | Y | Try Before You Buy | |||
| Wyeth Pharms | ZOSYN | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050684-004 | Oct 22, 1993 | DISCN | Yes | No | Try Before You Buy | Try Before You Buy | Y | Try Before You Buy | |||
| Wyeth Pharms | ZOSYN IN PLASTIC CONTAINER | piperacillin sodium; tazobactam sodium | INJECTABLE;INJECTION | 050750-002 | Feb 24, 1998 | RX | Yes | Yes | Try Before You Buy | Try Before You Buy | Y | Try Before You Buy | |||
| >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
| Country | Patent Number | Estimated Expiration |
|---|---|---|
| Canada | 2464258 | Try Before You Buy |
| Chile | 2004000782 | Try Before You Buy |
| United Kingdom | 2400557 | Try Before You Buy |
| Costa Rica | 9792 | Try Before You Buy |
| European Patent Office | 1468697 | Try Before You Buy |
| Saudi Arabia | 1990 | Try Before You Buy |
| >Country | >Patent Number | >Estimated Expiration |
