Expiring Drug Patents Cheat Sheet
We analyse the patents covering drugs in 134 countries and quickly give you the likely loss-of-exclusivity/generic entry date
Luxembourg: These 4 Drugs Face Patent Expirations and Generic Entry From 2026 - 2027
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Generic Entry Dates in Other Countries
Friedman, Yali, "Luxembourg: These 4 Drugs Face Patent Expirations and Generic Entry From 2026 - 2027" DrugPatentWatch.com thinkBiotech, 2026 www.drugpatentwatch.com/p/expiring-drug-patents-generic-entry/.
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These estimated drug patent expiration dates and generic entry opportunity dates are calculated from analysis of known patents covering drugs. Many factors can influence early or late generic entry. This information is provided as a rough estimate of generic entry potential and should not be used as an independent source. The methodology is described in this blog post.
Market Analysis and Financial Projection
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When can EVOTAZ (atazanavir sulfate; cobicistat) generic drug versions launch?
Generic name: atazanavir sulfate; cobicistat
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: July 07, 2026
Generic Entry Controlled by: Luxembourg Patent 92,864

This drug has three hundred and six patent family members in forty-one countries. There has been litigation on patents covering EVOTAZ
See drug price trends for EVOTAZ.
The generic ingredient in EVOTAZ is atazanavir sulfate; cobicistat. There are twenty-five drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the atazanavir sulfate; cobicistat profile page.
When can EVOTAZ (atazanavir sulfate; cobicistat) generic drug versions launch?
Generic name: atazanavir sulfate; cobicistat
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: July 07, 2026
Generic Entry Controlled by: Luxembourg Patent C00156

This drug has three hundred and six patent family members in forty-one countries. There has been litigation on patents covering EVOTAZ
See drug price trends for EVOTAZ.
The generic ingredient in EVOTAZ is atazanavir sulfate; cobicistat. There are twenty-five drug master file entries for this API. One supplier is listed for this generic product. Additional details are available on the atazanavir sulfate; cobicistat profile page.
When can DAKLINZA (daclatasvir dihydrochloride) generic drug versions launch?
Generic name: daclatasvir dihydrochloride
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: August 11, 2026
Generic Entry Controlled by: Luxembourg Patent 92,635

This drug has ninety-three patent family members in thirty-one countries. There has been litigation on patents covering DAKLINZA
See drug price trends for DAKLINZA.
The generic ingredient in DAKLINZA is daclatasvir dihydrochloride. There are five drug master file entries for this API. Additional details are available on the daclatasvir dihydrochloride profile page.
When can ZYKADIA (ceritinib) generic drug versions launch?
Generic name: ceritinib
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 08, 2026
Generic Entry Controlled by: Luxembourg Patent 92,785
ZYKADIA is a drug marketed by Novartis. There are eight patents protecting this drug.
This drug has three hundred and twenty-two patent family members in fifty-six countries.
See drug price trends for ZYKADIA.
The generic ingredient in ZYKADIA is ceritinib. There is one drug master file entry for this API. One supplier is listed for this generic product. Additional details are available on the ceritinib profile page.
When can LETAIRIS (ambrisentan) generic drug versions launch?
Generic name: ambrisentan
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: December 12, 2026
Generic Entry Controlled by: Luxembourg Patent 93,081
LETAIRIS is a drug marketed by Gilead. There are three patents protecting this drug and one Paragraph IV challenge.
This drug has fifty-one patent family members in twenty-six countries. There has been litigation on patents covering LETAIRIS
See drug price trends for LETAIRIS.
The generic ingredient in LETAIRIS is ambrisentan. There are nine drug master file entries for this API. Thirteen suppliers are listed for this generic product. Additional details are available on the ambrisentan profile page.
Luxembourg Branded and Generic Drug Markets: Assessment and Regulatory Opportunities and Challenges
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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.
