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Last Updated: June 7, 2020

DrugPatentWatch Database Preview

JANUMET Drug Profile


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Which patents cover Janumet, and when can generic versions of Janumet launch?

Janumet is a drug marketed by Merck Sharp Dohme and is included in two NDAs. There are four patents protecting this drug and three Paragraph IV challenges.

This drug has one hundred and thirty-two patent family members in forty-five countries.

The generic ingredient in JANUMET is metformin hydrochloride; sitagliptin phosphate. There are forty-nine drug master file entries for this compound. Two suppliers are listed for this compound. Additional details are available on the metformin hydrochloride; sitagliptin phosphate profile page.

US ANDA Litigation and Generic Entry Outlook for Janumet

Janumet was eligible for patent challenges on October 16, 2010.

Annual sales in 2017 were $1.5bn, indicating a strong incentive for generic entry (peak sales were $2.5bn in 2015).

There have been seven patent litigation cases involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.

There is one tentative approval for the generic drug (metformin hydrochloride; sitagliptin phosphate), which indicates the potential for near-term generic launch.

Indicators of Generic Entry

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Paragraph IV (Patent) Challenges for JANUMET
Tradename Dosage Ingredient NDA Submissiondate
JANUMET TABLET;ORAL metformin hydrochloride; sitagliptin phosphate 022044 2010-10-18

US Patents and Regulatory Information for JANUMET

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Merck Sharp Dohme JANUMET metformin hydrochloride; sitagliptin phosphate TABLET;ORAL 022044-002 Mar 30, 2007 RX Yes Yes   Start Trial   Start Trial Y   Start Trial
Merck Sharp Dohme JANUMET XR metformin hydrochloride; sitagliptin phosphate TABLET, EXTENDED RELEASE;ORAL 202270-002 Feb 2, 2012 RX Yes No   Start Trial   Start Trial   Start Trial
Merck Sharp Dohme JANUMET XR metformin hydrochloride; sitagliptin phosphate TABLET, EXTENDED RELEASE;ORAL 202270-001 Feb 2, 2012 RX Yes No   Start Trial   Start Trial Y   Start Trial
Merck Sharp Dohme JANUMET metformin hydrochloride; sitagliptin phosphate TABLET;ORAL 022044-002 Mar 30, 2007 RX Yes Yes   Start Trial   Start Trial   Start Trial
Merck Sharp Dohme JANUMET XR metformin hydrochloride; sitagliptin phosphate TABLET, EXTENDED RELEASE;ORAL 202270-003 Feb 2, 2012 RX Yes Yes   Start Trial   Start Trial Y   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for JANUMET

Supplementary Protection Certificates for JANUMET

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1412357 C 2007 091 Romania   Start Trial PRODUCT NAME: (3R)-3-AMINO-1-[9-(TRIFLUOROMETIL)-1,4,7,8-TETRAZABICICLO[4.3.0]NONA-6,8-DIEN-4-IL]-4-(2,4,5-TRIFLUOROFENIL)BUTAN-1-ONA - SITAGLIPTIN; NATIONAL AUTHORISATION NUMBER: RO EU/1/07/383/001 - RO EU/1/07/383/018; DATE OF NATIONAL AUTHORISATION: 20070321; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): EU/1/07/383/001 - EU/1/07/383/018; DATE OF FIRST AUTHORISATION IN EEA: 20070321
1084705 PA2014041 Lithuania   Start Trial PRODUCT NAME: SITAGLIPTINUM; REGISTRATION NO/DATE: EU/1/07/383/001-024, 2007 03 21 EU/1/07/382/001-024 20070321
1084705 SPC/GB14/085 United Kingdom   Start Trial PRODUCT NAME: SAXAGLIPTIN; REGISTERED: UK EU/1/09/545/001-010 20091005
1261586 132012902044560 Italy   Start Trial PRODUCT NAME: SAXAGLIPTIN E METFORMINA(KOMBOGLYZE); AUTHORISATION NUMBER(S) AND DATE(S): DA EU/1/11/731/001 A EU/1/11/731/014, 20111124
1506211 42/2014 Austria   Start Trial PRODUCT NAME: KOMBINATION VON DAPAGLIFLOZIN ODER EINES PHARMAZEUTISCH VERTRAEGLICHEN SALZES DAVON UND METFORMIN UND EINES PHARMAZEUTISCH VERTRAEGLICHEN SALZES DAVON; REGISTRATION NO/DATE: EU/1/13/900 (MITTEILUNG) 20140121
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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Serving leading biopharmaceutical companies globally:

Dow
Mallinckrodt
McKinsey
Medtronic
Boehringer Ingelheim
Colorcon

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