Last Updated: November 8, 2026

IDVYNSO Drug Patent Profile

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When do Idvynso patents expire, and when can generic versions of Idvynso launch?

Idvynso is a drug marketed by MSD and is included in one NDA. There are two patents protecting this drug.

The generic ingredient in IDVYNSO is doravirine; islatravir. There is one drug master file entry for this compound. One supplier is listed for this compound. Additional details are available on the doravirine; islatravir profile page.

DrugPatentWatch® Generic Entry Outlook for Idvynso

Idvynso will be eligible for patent challenges on April 20, 2030. This date may extended up to six months if a pediatric exclusivity extension is applied to the drug's patents.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be April 20, 2031. This may change due to patent challenges or generic licensing.

Indicators of Generic Entry

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Summary for IDVYNSO
US Patents:2
Applicants:1
NDAs:1
Finished Product Suppliers / Packagers: 1
What excipients (inactive ingredients) are in IDVYNSO?IDVYNSO excipients list
DailyMed Link:IDVYNSO at DailyMed
DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for IDVYNSO
Generic Entry Date for IDVYNSO*:
Constraining patent/regulatory exclusivity:

NEW CHEMICAL ENTITY

NDA:
Dosage:

TABLET;ORAL

*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

US Patents and Regulatory Information for IDVYNSO

IDVYNSO is protected by two US patents and one FDA Regulatory Exclusivity.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of IDVYNSO is ⤷  Start Trial.

This potential generic entry date is based on NEW CHEMICAL ENTITY.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Msd IDVYNSO doravirine; islatravir TABLET;ORAL 216964-001 Apr 20, 2026 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
Msd IDVYNSO doravirine; islatravir TABLET;ORAL 216964-001 Apr 20, 2026 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Msd IDVYNSO doravirine; islatravir TABLET;ORAL 216964-001 Apr 20, 2026 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for IDVYNSO

See the table below for patents covering IDVYNSO around the world.

Country Patent Number Title Estimated Expiration
Austria E388958 ⤷  Start Trial
Canada 2502109 DERIVE DE 2-HALOADENOSINE AVEC SUBSTITUTION SUR LE CARBONE EN POSITION 4' (4'-C-SUBSTITUTED-2-HALOADENOSINE DERIVATIVE) ⤷  Start Trial
Germany 602005005240 ⤷  Start Trial
European Patent Office 1589026 Dérivés de l'adénosine 2-halogénée et substituée en 4'-C (4'-C-Substituted-2-Haloadenosine derivative) ⤷  Start Trial
Spain 2300892 ⤷  Start Trial
Japan 2008069182 4'-C-SUBSTITUTED-2-HALOADENOSINE DERIVATIVE ⤷  Start Trial
Japan 2011256173 4'-C-SUBSTITUTED-2-HALOADENOSINE DERIVATIVE ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for IDVYNSO

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
2552902 300980 Netherlands ⤷  Start Trial PRODUCT NAME: DORAVIRINE, DESGEWENST IN DE VORM VAN EEN FARMACEUTISCH AANVAARDBAAR ZOUT; REGISTRATION NO/DATE: EU/1/18/1333/001-002 20181126
2552902 PA2019506 Lithuania ⤷  Start Trial PRODUCT NAME: DORAVIRINAS ARBA JO FARMACINIU POZIURIU PRIIMTINA DRUSKA; REGISTRATION NO/DATE: EU/1/18/1332 20181122
2552902 LUC00113 Luxembourg ⤷  Start Trial PRODUCT NAME: DORAVIRINE OU UN SEL PHARMACEUTIQUEMENT ACCEPTABLE DE CELLE-CI; AUTHORISATION NUMBER AND DATE: EU/1/18/1332 20181127
2552902 2019/020 Ireland ⤷  Start Trial PRODUCT NAME: DORAVIRINE OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF; NAT REGISTRATION NO/DATE: EU/1/18/1332/001, EU/1/18/1332/002, EU/1/18/1333/001, EU/1/18/1333/002, 20181122
2552902 CA 2019 00025 Denmark ⤷  Start Trial PRODUCT NAME: DORAVIRINE OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF; REG. NO/DATE: EU/1/18/1333 20181126
2552902 2019C/004 Belgium ⤷  Start Trial PRODUCT NAME: DORAVIRINE,DESGEWENST IN DE VORM VAN EEN FARMACEUTISCH AANVAARDBAAR ZOUT; AUTHORISATION NUMBER AND DATE: EU/1/18/1333/001-002 20181126
2924034 300981 Netherlands ⤷  Start Trial PRODUCT NAME: DORAVIRINE, DESGEWENST IN DE VORM VAN EEN FARMACEUTISCH AANVAARDBAAR ZOUT IN COMBINATIE MET LAMIVUDINE, DESGEWENST IN DE VORM VAN EEN FARMACEUTISCH AANVAARDBAAR ZOUT, IN COMBINATIE MET TENOFOVIR OF EEN ESTER DAARVAN, IN HET BIJZONDER EEN DISOPROXIL ESTER, DESGEWENST IN DE VORM VAN EEN FARMACEUTISCH AANVAARDBAAR ZOUT, IN HET BIJZONDER EEN FUMARAAT ZOUT; REGISTRATION NO/DATE: EU/1/18/1333/001-002 20181126
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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