Desyrel Patent Expiration

Desyrel is a drug owned by Pragma Pharmaceuticals Llc. It is protected by 1 US drug patent filed in 2015 out of which none have expired yet. Based on its patents and exclusivities, its generic launch date is estimated to be Mar 13, 2029. Details of Desyrel's patents and their expiration are given in the table below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
These drug patents protect the active ingredient(API) of the drug. Only drug patent owner can launch products that use this active ingredient until these patents expire.
US8133893 Trazodone and trazodone hydrochloride in purified form
Mar, 2029

(4 years from now)

Active


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 Desyrel's patents.

Given below is the list of recent legal activities going on the following patents of Desyrel.

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 12th Year, Large Entity 06 Sep, 2023 US8133893
Payment of Maintenance Fee, 8th Year, Large Entity 05 Sep, 2019 US8133893
Post Issue Communication - Certificate of Correction 13 Aug, 2012 US8133893
Patent Issue Date Used in PTA Calculation 13 Mar, 2012 US8133893
Recordation of Patent Grant Mailed 13 Mar, 2012 US8133893
Email Notification 23 Feb, 2012 US8133893
Issue Notification Mailed 22 Feb, 2012 US8133893
Dispatch to FDC 09 Feb, 2012 US8133893
Printer Rush- No mailing 01 Feb, 2012 US8133893
Pubs Case Remand to TC 31 Jan, 2012 US8133893

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US patents provide insights into the exclusivity only within the United States, but Desyrel 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 Desyrel's family patents as well as insights into ongoing legal events on those patents.

Desyrel's Family Patents

Desyrel has patent protection in a total of 23 countries. It's US patent count contributes only to 42.9% of its total global patent coverage. 3 countries have all of their patents expired or invalidated which has opened up potential generic launch opportunities in these countries. Click below to unlock the full patent family tree for Desyrel.

Family Patents

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Generic Launch

Generic Release Date:

Desyrel's generic launch date based on the expiry of its last outstanding patent is estimated to be Mar 13, 2029 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)

Desyrel Generic API suppliers:

Trazodone Hydrochloride is the generic name for the brand Desyrel. 23 different companies have already filed for the generic of Desyrel, with Zydus Pharms having the maximum number of approved applications. Check out the entire list of companies who have already received approval for Desyrel's generic

How can I launch a generic of Desyrel before its drug patent expiration? :

You can seek FDA approval to launch a generic drug before the expiration of Desyrel's patents related by providing a 'paragraph IV certification' in your application, which states that the patent submitted by the Desyrel's sponsor is invalid, unenforceable, or will not be infringed by your generic product.

Given below are the details of the already filed Para IV certificates on Desyrel -

Strength Submission Date ANDA(s) Filed First applicant approval Last patent expiry 180 day status
150 mg

Alternative Brands for Desyrel

There are several other brand drugs using the same active ingredient (Trazodone Hydrochloride) as Desyrel. 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
Angelini Pharma
Oleptro


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





About Desyrel

Desyrel is a drug owned by Pragma Pharmaceuticals Llc. Desyrel uses Trazodone Hydrochloride as an active ingredient. Desyrel was launched by Pragma in 1982.

Approval Date:

Desyrel was approved by FDA for market use on 01 January, 1982.

Active Ingredient:

Desyrel uses Trazodone Hydrochloride as the active ingredient. Check out other Drugs and Companies using Trazodone Hydrochloride ingredient

Dosage:

Desyrel is available in tablet form for oral use. Given below is detailed information on Dosage -

Strength Dosage Form Availability Application Pathway
150MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** TABLET Discontinued ORAL
100MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** TABLET Discontinued ORAL
50MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** TABLET Discontinued ORAL
300MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons** TABLET Discontinued ORAL