Janumet Patent Expiration

Janumet is a drug owned by Merck Sharp And Dohme Llc A Sub Of Merck And Co Inc. It is protected by 12 US drug patents filed from 2013 to 2021. Out of these, 4 drug patents are active and 8 have expired. Janumet's patents have been open to challenges since 05 June, 2023. Based on its patents and exclusivities, its generic launch date is estimated to be Jan 21, 2029. Details of Janumet'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.
US7326708 Phosphoric acid salt of a dipeptidyl peptidase-IV inhibitor
Nov, 2026

(2 years from now)

Active
These drug patents focus on the other aspects of the drug like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US8414921

(Pediatric)

Pharmaceutical compositions of combinations of dipeptidyl peptidase-4 inhibitors with metformin
Jan, 2029

(4 years from now)

Active
US8414921 Pharmaceutical compositions of combinations of dipeptidyl peptidase-4 inhibitors with metformin
Jul, 2028

(3 years from now)

Active
US7326708

(Pediatric)

Phosphoric acid salt of a dipeptidyl peptidase-IV inhibitor
May, 2027

(2 years from now)

Active
US7125873

(Pediatric)

Beta-amino tetrahydroimidazo (1, 2-a) pyrazines and tetrahydrotrioazolo (4, 3-a) pyrazines as dipeptidyl peptidase inhibitors for the treatment or prevention of diabetes
Jan, 2023

(1 year, 9 months ago)

Expired
US6699871

(Pediatric)

Beta-amino heterocyclic dipeptidyl peptidase inhibitors for the treatment or prevention of diabetes
Jan, 2023

(1 year, 9 months ago)

Expired
US6699871 Beta-amino heterocyclic dipeptidyl peptidase inhibitors for the treatment or prevention of diabetes
Jul, 2022

(2 years ago)

Expired
US7125873 Beta-amino tetrahydroimidazo (1, 2-a) pyrazines and tetrahydrotrioazolo (4, 3-a) pyrazines as dipeptidyl peptidase inhibitors for the treatment or prevention of diabetes
Jul, 2022

(2 years ago)

Expired
US6890898 Method of regulating glucose metabolism, and reagents related thereto
Feb, 2019

(5 years ago)

Expired
US7459428 Method of regulating glucose metabolism, and reagents related thereto
Feb, 2019

(5 years ago)

Expired
US7078381 Method of regulating glucose metabolism, and reagents related thereto
Feb, 2019

(5 years ago)

Expired
US6303661 Use of dipeptidyl peptidase IV effectors for lowering the blood glucose level in mammals
Apr, 2017

(7 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 Janumet's patents.

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

Activity Date Patent Number
Patent litigations
Court Processing Terminated 17 Apr, 2024 US7326708 (Litigated)
Review Certificate Mailed 19 Sep, 2023 US7326708 (Litigated)
Review Certificate 06 Sep, 2023 US7326708 (Litigated)
Decision in Civil Action - Affirmed 29 Sep, 2022 US7326708 (Litigated)
Case Docketed to Examiner in GAU 03 Jan, 2022 US7326708 (Litigated)
Termination or Final Written Decision 10 May, 2021 US7326708 (Litigated)
Termination or Final Written Decision 07 May, 2021 US7326708 (Litigated)
Mail Certificate of Correction Memo 22 Jan, 2021 US7326708 (Litigated)
Post Issue Communication - Certificate of Correction 19 Jan, 2021 US7326708 (Litigated)
Certificate of Correction Memo 18 Jan, 2021 US7326708 (Litigated)


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 Janumet and ongoing litigations to help you estimate the early arrival of Janumet generic.

Janumet's Litigations

Janumet been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on Jun 10, 2020, against patent number US7326708. The petitioner Teva Pharmaceuticals USA, Inc., challenged the validity of this patent, with Merck Sharp & Dohme Corp. as the respondent. Click below to track the latest information on how companies are challenging Janumet's patents.

Last updated on November 12, 2024
Patent Proceeding Filing Date Status Respondent Petitioner
Patent litigations
US7326708 June, 2020 Final Written Decision
(10 May, 2021)
Merck Sharp & Dohme Corp. et al. Dr. Reddy's Laboratories, Inc. et al.
US7326708 June, 2020 Final Written Decision
(10 May, 2021)
Merck Sharp & Dohme Corp. et al. Sun Pharmaceutical Industries Ltd. et al.
US7326708 October, 2019 Final Written Decision
(07 May, 2021)
Merck Sharp & Dohme Corp. et al. Mylan Pharmaceuticals, Inc.
US7326708 June, 2020 Terminated-Settled
(08 Dec, 2020)
Merck Sharp & Dohme Corp. Teva Pharmaceuticals USA, Inc.


FDA has granted some exclusivities to Janumet. Till the time these exclusivities are active, no other company can market a generic or bioequivalent version of Janumet, 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 Janumet.

Exclusivity Information

Janumet holds 4 exclusivities. All of its exclusivities have expired in 2024. Details of Janumet's exclusivity codes and their expiration dates are given below.


Drug Exclusivity Drug Exclusivity Expiration
New Chemical Entity Exclusivity(NCE) Oct 16, 2011
M(M-244) Aug 12, 2022
M(M-187) Dec 04, 2023
Pediatric Exclusivity(PED) Jun 04, 2024

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Several oppositions have been filed on Janumet'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 Janumet's generic, the next section provides detailed information on ongoing and past EP oppositions related to Janumet patents.

Janumet's Oppositions Filed in EPO

Janumet has faced multiple oppositions in the European Patent Office. The earliest opposition was filed on Jun 11, 2008, by Teva Pharmaceutical Industries Ltd.. This opposition was filed on patent number EP04755691A. Click below to reveal the latest opposition data.


Application Filing Date Opposition Party Legal Status
Patent litigations
EP05077584A Mar, 2011 APOTEX INC. Revoked
EP04755691A Jun, 2008 Teva Pharmaceutical Industries Ltd. Patent maintained as amended


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

Janumet's Family Patents

Janumet has patent protection in a total of 46 countries. It's US patent count contributes only to 13.3% of its total global patent coverage. 9 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 Janumet.

Family Patents

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Generic Launch

Generic Release Date:

Janumet's generic launch date based on the last expiry date of its patents and exclusivities combined is estimated to be Jan 21, 2029 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)

Janumet Generics:

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

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

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

Strength Submission Date ANDA(s) Filed First applicant approval Last patent expiry 180 day status
50 mg/500 mg and 50 mg/1000 mg 18 Oct, 2010 5 24 Nov, 2026

Alternative Brands for Janumet

Janumet which is used for managing type 2 diabetes mellitus., has several other brand drugs in the same treatment category and using the same active ingredient (Metformin Hydrochloride; Sitagliptin Phosphate). 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
Boehringer Ingelheim
Jentadueto used for treating type 2 diabetes mellitus.
Jentadueto Xr used for managing type 2 diabetes with renal impairment and inadequate glycemic control.
Merck Sharp Dohme
Januvia Used for managing glycemic control in adults with type 2 diabetes mellitus, often in combination with other medications like metformin or insulin.

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. Metformin Hydrochloride; Sitagliptin Phosphate. Given below is the list of those drugs and companies owning them.

Drug Owner Drug Name
Msd Sub Merck
Janumet Xr






About Janumet

Janumet is a drug owned by Merck Sharp And Dohme Llc A Sub Of Merck And Co Inc. It is used for managing type 2 diabetes mellitus. Janumet uses Metformin Hydrochloride; Sitagliptin Phosphate as an active ingredient. Janumet was launched by Msd Sub Merck in 2007.

Approval Date:

Janumet was approved by FDA for market use on 30 March, 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 Janumet is 30 March, 2007, its NCE-1 date is estimated to be 05 June, 2023.

Active Ingredient:

Janumet uses Metformin Hydrochloride; Sitagliptin Phosphate as the active ingredient. Check out other Drugs and Companies using Metformin Hydrochloride; Sitagliptin Phosphate ingredient

Treatment:

Janumet is used for managing type 2 diabetes mellitus.

Dosage:

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

Strength Dosage Form Availability Application Pathway
1GM;EQ 50MG BASE TABLET Prescription ORAL
500MG;EQ 50MG BASE TABLET Prescription ORAL