Evamist is a drug owned by Padagis Us Llc. It is protected by 4 US drug patents filed in 2013 out of which all have expired. Based on its patents and exclusivities, its generic launch date is estimated to be Nov 30, 2021. Details of Evamist'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 active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc). | |||
| US6923983 | Transdermal delivery of hormones |
Feb, 2017
(7 years ago) |
Expired
|
| US6299900 | Dermal penetration enhancers and drug delivery systems involving same |
Feb, 2017
(7 years ago) |
Expired
|
| US6818226 | Dermal penetration enhancers and drug delivery systems involving same |
Feb, 2017
(7 years ago) |
Expired
|
| US6978945 | Dispensing device |
Nov, 2021
(2 years ago) |
Expired
|
A patent's expiry date may change depending upon legal activities going on that patent. Critical activities like abandoning of a patent, term extension of a patent or amendment of its claims can increase or decrease the life of a patent hence affecting its expiry date and in turn affecting the generic launch date of that drug. Tracking these ongoing activities on a patent application helps to keep an eye on the latest developments in the patent process of the drug which can give an idea of how early a drug's generic could be available. The next section provides a list of recent legal activities on Evamist's patents.
Latest Legal Activities on Evamist's Patents
Given below is the list of recent legal activities going on the following patents of Evamist.
| Event | Date | Patent/Publication |
|---|---|---|
 | ||
| Notice of Final Determination -Election Required | 09 Jan, 2019 | US6818226 |
| FDA Final Eligibility Letter | 19 Mar, 2018 | US6818226 |
| Interim Patent Term Extension Granted | 31 Jan, 2018 | US6818226 |
| Expire Patent | 28 Aug, 2017 | US6923983 |
| transaction for FDA Determination of Regulatory Review Period | 21 Aug, 2017 | US6818226 |
| transaction for FDA Determination of Regulatory Review Period | 05 Jun, 2017 | US6818226 |
| Interim Patent Term Extension Granted | 15 Feb, 2017 | US6818226 |
| Second letter to regulating agency to determine regulatory review period | 07 Dec, 2016 | US6818226 |
| Letter from FDA or Dept of Agriculture re PTE application | 26 Apr, 2016 | US6818226 |
| Initial letter Re: PTE Application to regulating agency | 12 Feb, 2013 | US6818226 |
US patents provide insights into the exclusivity only within the United States, but Evamist 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 Evamist's family patents as well as insights into ongoing legal events on those patents.
Evamist's family patents
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Generic Launch
Generic Release Date:
Evamist's generic launch date based on the expiry of its last outstanding patent is estimated to be Nov 30, 2021 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)
Evamist Generics:
Estradiol is the generic name for the brand Evamist. 22 different companies have already filed for the generic of Evamist, with Mylan Technologies having the maximum number of approved applications. Check out the entire list of companies who have already received approval for Evamist's generic
About Evamist
Evamist is a drug owned by Padagis Us Llc. It is used for managing menopausal and postmenopausal symptoms. Evamist uses Estradiol as an active ingredient. Evamist was launched by Padagis Us in 2007.
Market Authorisation Date:
Evamist was approved by FDA for market use on 27 July, 2007.
Active Ingredient:
Evamist uses Estradiol as the active ingredient. Check out other Drugs and Companies using Estradiol ingredient
Treatment:
Evamist is used for managing menopausal and postmenopausal symptoms.
Dosage:
Evamist is available in spray form for transdermal use. Given below is detailed information on Dosage -
| Strength | Dosage Form | Availability | Application Pathway |
|---|---|---|---|
| 1.53MG/SPRAY | SPRAY | Prescription | TRANSDERMAL |