Zithromax Patent Expiration

Zithromax is a drug owned by Pfizer Inc. It is protected by 1 US drug patent filed in 2013 out of which all have expired. Based on its patents and exclusivities, its generic launch date is estimated to be Jul 31, 2018. Details of Zithromax's patents and their expiration are given in the table below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
These drug patents focus on the other aspects of the drug like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US6268489 Azithromycin dihydrate
Jul, 2018

(6 years ago)

Expired


While patent expiration is one way of estimating the generic date of a drug, if a patent gets invalidated somehow, the generic of the drug may arrive early. Being aware of all relevant patents can help in avoiding legal pitfalls. Given below are details of the litigation history of Zithromax and ongoing litigations to help you estimate the early arrival of Zithromax generic.

Zithromax's Litigations

Zithromax been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on Jan 01, 1, against patent number US6268489. The petitioner , challenged the validity of this patent, with ALLEN et al as the respondent. Click below to track the latest information on how companies are challenging Zithromax's patents.

Last updated on December 10, 2024
Patent Proceeding Filing Date Status Respondent Petitioner
Patent litigations
US6268489 January, 1 Decision
(15 Apr, 1998)
ALLEN et al

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US patents provide insights into the exclusivity only within the United States, but Zithromax is protected by patents in multiple countries. Understanding the full scope of patent protection is crucial in strategizing market entry. By looking at the broader patent landscape, you can identify markets with weaker patent protection which could be ideal generic entry points. The following section offers details on Zithromax's family patents as well as insights into ongoing legal events on those patents.

Zithromax's Family Patents


Family Patents

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Generic Launch

Generic Release Date:

Zithromax's generic launch date based on the expiry of its last outstanding patent is estimated to be Jul 31, 2018 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)

Zithromax Generic API suppliers:

Azithromycin is the generic name for the brand Zithromax. 31 different companies have already filed for the generic of Zithromax, with Pliva having the maximum number of approved applications. Check out the entire list of companies who have already received approval for Zithromax's generic

Alternative Brands for Zithromax

There are several other brand drugs using the same active ingredient (Azithromycin) as Zithromax. Given below is the list of those companies and their brand drugs, to help you identify new opportunities, assess competitors, and plan your market strategies more effectively.

Drug Owner Drug Name
Pf Prism Cv
Zmax
Thea Pharma
Azasite


Apart from brand drugs containing the same ingredient, some generics have also been filed for Azithromycin, Zithromax's active ingredient. Check the complete list of approved generic manufacturers for Zithromax





About Zithromax

Zithromax is a drug owned by Pfizer Inc. Zithromax uses Azithromycin as an active ingredient. Zithromax was launched by Pfizer in 2002.

Approval Date:

Zithromax was approved by FDA for market use on 24 May, 2002.

Active Ingredient:

Zithromax uses Azithromycin as the active ingredient. Check out other Drugs and Companies using Azithromycin ingredient

Dosage:

Zithromax is available in the following dosage forms - for suspension form for oral use, tablet form for oral use, injectable form for injection use. Given below is detailed information on Dosage -

Strength Dosage Form Availability Application Pathway
EQ 500MG BASE TABLET Prescription ORAL
EQ 250MG BASE TABLET Prescription ORAL
EQ 600MG BASE **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** TABLET Discontinued ORAL
EQ 500MG BASE/VIAL INJECTABLE Prescription INJECTION
EQ 100MG BASE/5ML FOR SUSPENSION Prescription ORAL
EQ 200MG BASE/5ML FOR SUSPENSION Prescription ORAL
EQ 1GM BASE/PACKET FOR SUSPENSION Prescription ORAL