Isentress Patent Expiration

Isentress is a drug owned by Merck Sharp And Dohme Llc A Sub Of Merck And Co Inc. It is protected by 10 US drug patents filed from 2013 to 2023. Out of these, 4 drug patents are active and 6 have expired. Isentress's patents have been open to challenges since 22 May, 2020. Based on its patents and exclusivities, its generic launch date is estimated to be Jun 02, 2030. Details of Isentress'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.
US8771733 Pharmaceutical composition containing an anti-nucleating agent
Jun, 2030

(5 years from now)

Active
US7754731 Potassium salt of an HIV integrase inhibitor
Mar, 2029

(4 years from now)

Active
US8852632 Pharmaceutical formulation containing a release rate controlling composition
Jan, 2028

(3 years from now)

Active
US7169780 N-substituted hydroxypyrimidinone carboxamide inhibitors of HIV integrase
Oct, 2023

(1 year, 1 month ago)

Expired
These drug patents focus on the other aspects of the drug like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US7754731

(Pediatric)

Potassium salt of an HIV integrase inhibitor
Sep, 2029

(4 years from now)

Active
US7169780

(Pediatric)

N-substituted hydroxypyrimidinone carboxamide inhibitors of HIV integrase
Apr, 2024

(7 months ago)

Expired
US7169780 N-substituted hydroxypyrimidinone carboxamide inhibitors of HIV integrase
Oct, 2023

(1 year, 1 month ago)

Expired
US7435734

(Pediatric)

N-substituted hydroxypyrimidinone carboxamide inhibitors of HIV integrase
Apr, 2023

(1 year, 6 months ago)

Expired
US7217713

(Pediatric)

N-substituted hydroxypyrimidinone carboxamide inhibitors of HIV integrase
Apr, 2023

(1 year, 6 months ago)

Expired
US7435734 N-substituted hydroxypyrimidinone carboxamide inhibitors of HIV integrase
Oct, 2022

(2 years ago)

Expired
US7217713 N-substituted hydroxypyrimidinone carboxamide inhibitors of HIV integrase
Oct, 2022

(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 Isentress's patents.

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

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 8th Year, Large Entity 09 Mar, 2022 US8852632
Payment of Maintenance Fee, 8th Year, Large Entity 09 Dec, 2021 US8771733
Payment of Maintenance Fee, 12th Year, Large Entity 09 Dec, 2021 US7754731
Payment of Maintenance Fee, 12th Year, Large Entity 16 Mar, 2020 US7435734
Payment of Maintenance Fee, 12th Year, Large Entity 16 Oct, 2018 US7217713
Payment of Maintenance Fee, 12th Year, Large Entity 12 Jun, 2018 US7169780
Payment of Maintenance Fee, 4th Year, Large Entity 13 Mar, 2018 US8852632
Payment of Maintenance Fee, 8th Year, Large Entity 15 Dec, 2017 US7754731
Payment of Maintenance Fee, 4th Year, Large Entity 15 Dec, 2017 US8771733
Recordation of Patent Grant Mailed 07 Oct, 2014 US8852632


FDA has granted several exclusivities to Isentress. Till the time these exclusivities are active, no other company can market a generic or bioequivalent version of Isentress, regardless of the status of it's patents. These exclusivities hence play a crucial role in delaying the generic launch. Given below are details of the exclusivities granted to Isentress.

Exclusivity Information

Isentress holds 6 exclusivities. All of its exclusivities have expired in 2021. Details of Isentress's exclusivity codes and their expiration dates are given below.


Drug Exclusivity Drug Exclusivity Expiration
New Chemical Entity Exclusivity(NCE) Oct 12, 2012
New Dosage Form(NDF) Dec 20, 2016
New Patient Population(NPP) Nov 22, 2020
M(M-114) Mar 28, 2015
New Dosing Schedule(D-167) May 26, 2020
Pediatric Exclusivity(PED) May 22, 2021

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Several oppositions have been filed on Isentress's European patents. EP oppositions can significantly impact the timeline for the generic launch of drugs. If an opposition results in the revocation or amendment of a patent, it can shorten the exclusivity period of the original drug. This can lead to an earlier entry of generic versions into the market. To help you estimate the potential early arrival of Isentress's generic, the next section provides detailed information on ongoing and past EP oppositions related to Isentress patents.

Isentress's Oppositions Filed in EPO

Isentress has faced multiple oppositions in the European Patent Office. The earliest opposition was filed on Aug 20, 2014, by Sölch, Günter. This opposition was filed on patent number EP05852839A. Click below to reveal the latest opposition data.


Application Filing Date Opposition Party Legal Status
Patent litigations
EP16198994A Jan, 2020 Ter Meer Steinmeister & Partner Patentanwälte mbB Granted and Under Opposition
EP16198994A Dec, 2019 Lederer & Keller Patentanwälte Partnerschaft mbB Granted and Under Opposition
EP05852790A Aug, 2017 Georg Kalhammer/Stephan Teipel Patent maintained as amended
EP05852790A Aug, 2017 Ter Meer Steinmeister & Partner Patentanwälte mbB Patent maintained as amended
EP05852839A Aug, 2014 Sölch, Günter Patent maintained as amended


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

Isentress's Family Patents

Isentress has patent protection in a total of 46 countries. It's US patent count contributes only to 14.8% of its total global patent coverage. 13 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 Isentress.

Family Patents

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Generic Launch

Generic Release Date:

Isentress's generic launch date based on the last expiry date of its patents and exclusivities combined is estimated to be Jun 02, 2030 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)

Isentress Generics:

There are no approved generic versions for Isentress as of now.

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

You can seek FDA approval to launch a generic drug before the expiration of Isentress's patents related by providing a 'paragraph IV certification' in your application, which states that the patent submitted by the Isentress'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 Isentress -

Strength Submission Date ANDA(s) Filed First applicant approval Last patent expiry 180 day status
400 mg 12 Oct, 2011 1 11 Mar, 2029
600 mg 21 Oct, 2022 1 30 Mar, 2032

Alternative Brands for Isentress

Isentress which is used for treating HIV infection by inhibiting integrase., has several other brand drugs in the same treatment category and using the same active ingredient (Raltegravir Potassium). 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 Treatment Area
Abbvie
Kaletra used for treating HIV-1 infection in combination with other antiretroviral agents.
Agouron Pharms
Viracept Used for managing HIV infection.
Bristol Myers Squibb
Sustiva used for managing HIV infection in combination with other antiviral drugs.
Gilead
Emtriva Used for treating HIV infection in adults.
Truvada Used for treating HIV-1 infection in adults and pediatric patients.
Gilead Sciences
Atripla Used for managing HIV-1 infection in adults and pediatric patients aged 12 years and older.
Gilead Sciences Inc
Descovy Used for managing and treating HIV infection.
Genvoya Used for treating HIV infection with a composition containing a pharmacokinetic enhancer that inhibits cytochrome P450 monoxygenase.
Odefsey Used for treating HIV infection.
Vitekta Used for managing HIV infection.
Biktarvy Used for treating HIV infection.
Complera Used for managing and treating HIV infection.
Stribild Used for treating HIV infection by enhancing the pharmacokinetics and inhibiting cytochrome P450 monooxygenase.
Glaxosmithkline
Agenerase Used for managing HIV infection.
Msd Sub Merck
Isentress Hd

(uses Raltegravir Potassium)

Used for treating HIV infection.
Viiv Hlthcare
Dovato Used for the treatment of HIV infection.
Juluca Used for managing HIV infection.
Lexiva Used for managing and treating HIV infection.
Epzicom Used for treating HIV infection.

Apart from drugs working in same treatment category, there are also some brand drugs where treatment area is different, but the active ingredient used is same i.e. Raltegravir Potassium. Given below is the list of those drugs and companies owning them.

Drug Owner Drug Name
Merck Sharp Dohme
Dutrebis






About Isentress

Isentress is a drug owned by Merck Sharp And Dohme Llc A Sub Of Merck And Co Inc. It is used for treating HIV infection by inhibiting integrase. Isentress uses Raltegravir Potassium as an active ingredient. Isentress was launched by Msd Sub Merck in 2007.

Approval Date:

Isentress was approved by FDA for market use on 12 October, 2007.

NCE-1 date:

NCE-1 date also known as the four year date occurs four years after the original drug approval and marks the first opportunity for a generic manufacturer to file an ANDA with a Paragraph IV certification. This is the earliest point when generic competition might begin, provided the challenge is successful. Since the approval date for Isentress is 12 October, 2007, its NCE-1 date is estimated to be 22 May, 2020.

Active Ingredient:

Isentress uses Raltegravir Potassium as the active ingredient. Check out other Drugs and Companies using Raltegravir Potassium ingredient

Treatment:

Isentress is used for treating HIV infection by inhibiting integrase.

Dosage:

Isentress is available in the following dosage forms - powder form for oral use, tablet form for oral use, tablet, chewable form for oral use. Given below is detailed information on Dosage -

Strength Dosage Form Availability Application Pathway
EQ 400MG BASE TABLET Prescription ORAL
EQ 100MG BASE TABLET, CHEWABLE Prescription ORAL
EQ 100MG BASE/PACKET POWDER Prescription ORAL
EQ 25MG BASE TABLET, CHEWABLE Prescription ORAL