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 7 Drugs Face Patent Expirations and Generic Entry From 2026 - 2027
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Generic Entry Dates in Other Countries
Friedman, Yali, "Luxembourg: These 7 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.
When can EVOTAZ (atazanavir sulfate; cobicistat) generic drug versions launch in Luxembourg?
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 in Luxembourg?
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 in Luxembourg?
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 TYMLOS (abaloparatide) generic drug versions launch in Luxembourg?
Generic name: abaloparatide
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: October 03, 2026
Generic Entry Controlled by: Luxembourg Patent C00309

This drug has fifty-six patent family members in twenty-nine countries. There has been litigation on patents covering TYMLOS
See drug price trends for TYMLOS.
The generic ingredient in TYMLOS is abaloparatide. One supplier is listed for this generic product. Additional details are available on the abaloparatide profile page.
When can KORSUVA (difelikefalin acetate) generic drug versions launch in Luxembourg?
Generic name: difelikefalin acetate
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: November 10, 2026
Generic Entry Controlled by: Luxembourg Patent C00282
KORSUVA is a drug marketed by Vifor Intl. There are twelve patents protecting this drug.
This drug has fifty-three patent family members in twenty-seven countries. There has been litigation on patents covering KORSUVA
See drug price trends for KORSUVA.
The generic ingredient in KORSUVA is difelikefalin acetate. One supplier is listed for this generic product. Additional details are available on the difelikefalin acetate profile page.
When can ZYKADIA (ceritinib) generic drug versions launch in Luxembourg?
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 in Luxembourg?
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.
When can TEPMETKO (tepotinib hydrochloride) generic drug versions launch in Luxembourg?
Generic name: tepotinib hydrochloride
DrugPatentWatch® Estimated Key Patent Expiration / Generic Entry Date: July 12, 2027
Generic Entry Controlled by: Luxembourg Patent C00264
TEPMETKO is a drug marketed by Emd Serono Inc. There are eight patents protecting this drug.
This drug has seventy-nine patent family members in thirty-six countries. There has been litigation on patents covering TEPMETKO
See drug price trends for TEPMETKO.
The generic ingredient in TEPMETKO is tepotinib hydrochloride. One supplier is listed for this generic product. Additional details are available on the tepotinib hydrochloride profile page.
Executive summary
Luxembourg’s branded and generic drug markets are small but unusually high-coverage in EU-funded access mechanisms, with regulatory entry paths that largely mirror the EU framework. The practical opportunity is commercial scale-through for multinational launches that want EU breadth with one national “last-mile” step. The challenge is that Lux-specific market access leans heavily on national pricing/reimbursement timelines, tender/therapeutic positioning in a small payer base, and strict enforcement of product IP and data exclusivity that tracks EU and local implementation. For generics, the key workstreams are Orange Book-equivalent referencing via EU marketing authorizations, EU SPC/exclusivity mapping, and litigation risk management around originator life-cycle patents.
Luxembourg drug market size and payer structure for branded versus generic medicines
Luxembourg’s total outpatient and hospital medicine spend is materially smaller than Germany, France, or the Nordics, but it behaves like a high-income European mini-market with strong adherence to EU regulatory standards. The market is dominated by hospital procurement for specialist therapies and retail/private reimbursement for broader categories, with final uptake shaped by national reimbursement decisions and budget controls.
What drives branded performance in Luxembourg?
- Hospital formularies and clinical pathway inclusion for high-value therapies.
- Brand-level substitution controls in sensitive therapeutic areas (especially where interchangeability is clinically constrained).
- Time-to-reimbursement and the speed at which a new brand is placed in an accepted therapeutic scheme.
What drives generic performance in Luxembourg?
- Discounting versus originators after pricing pressure and payer budget actions.
- Contracting and procurement rules that prioritize cost-effective options once interchange is allowed in practice.
- The ability to launch at scale quickly across EU-relevant documentation and labeling.
Which segments have the biggest branded versus generic tilt?
- Branded: specialty pharmaceuticals (oncology, immunology, rare disease), biologics, and complex administration formats.
- Generics: mature small-molecule therapies with clear reference products, stable dosing regimens, and a dense history of patent expiry.
How does Luxembourg regulate marketing authorization for branded and generic drugs under the EU framework?
Luxembourg does not run an independent “new authorization” system for most products. Marketing authorization is primarily governed by the EU central and decentralized frameworks, with Luxembourg acting through its competent authority and national implementation steps.
Featured snippet answer: Luxembourg largely relies on EU marketing authorization rules (centralized, mutual recognition, and national) and then applies national steps for reimbursement and pricing.
What authorization route matters most for market entry timelines?
- Centralized (EMA): Common for branded innovator launches in high-demand therapeutic categories; enables EU-wide labeling and a single regulatory authoring workflow.
- Mutual Recognition / Decentralized: Common for follow-on generics and biosimilars where EU dossier duplication is minimized.
- National: Used for some smaller-scope filings, but it generally reduces speed versus EU-harmonized routes.
What is the Orange Book status framework in Luxembourg and how do you check exclusivity and listings?
Luxembourg does not operate an “FDA Orange Book” system. The practical equivalent for exclusion and timing risk is:
- EU regulatory exclusivity status under EMA rules (data/market exclusivity where applicable), and
- national reimbursement and pricing decisions tied to product status, and
- EU-wide IP landscape including supplementary protection certificates (SPCs) and national enforcement.
Featured snippet answer: Treat Luxembourg market access timing as an EU exclusivity plus SPC plus Luxembourg reimbursement/price decision sequence, not an Orange Book listing-driven system.
How exclusivity timelines are determined for generics
- Patent expiry and SPC expiry for the reference medicinal product.
- Any remaining data/market exclusivity in the EU regulatory system (where relevant to follow-on applications).
- National pricing/reimbursement availability, which can delay market entry even after patent expiry.
When do branded drugs lose exclusivity in Luxembourg: EU data exclusivity, SPCs, and patent term interaction
Exclusivity in Luxembourg follows EU legal architecture. A generic can face three separate gating factors:
- Legal exclusivity (patents and SPCs and any regulatory exclusivity that blocks reliance).
- Regulatory readiness (authorization effective date and product listing).
- Market access (Luxembourg pricing and reimbursement acceptance).
Timeline archetypes
- SPC-driven delay: patents expire but SPC extends exclusivity, often for years.
- Life-cycle patent stacking: formulation, dosing, or new indication patents delay practical generic uptake.
- Reimbursement lag: generic can be authorized before it is reimbursed, limiting prescription volume.
Where generic risk concentrates
- Method-of-use and patient-selection claims that still bind clinical prescribing.
- Formulation and manufacturing process patents that prevent “work-around” designs.
What patents protect branded medicines used in Luxembourg, and how to map the estate for generic entry risk
A patent estate for a major marketed brand typically includes:
- Compound (core API)
- Formulation and polymorphs
- Solid-state and manufacturing process patents
- Method-of-use and combination regimens
- Device or delivery system claims for specific product presentation
- Additional patents covering new indications
Featured snippet answer: Generic entry risk in Luxembourg usually tracks the EU SPC/patent estate, with the highest litigation exposure coming from life-cycle patents on formulation, dosing, and method-of-use.
How to build a Luxembourg-focused patent risk map
- Map EU patents and SPCs tied to the reference medicinal product.
- Add national validation/enforcement scope for Luxembourg where filed and enforceable.
- Identify “easy substitutes” versus “locked-in presentation” risks (e.g., only one dosage form is clinically preferred).
How strong is the patent estate for EU-origin brands marketed in Luxembourg: typical factors
Patent strength in practice is less about claim language alone and more about:
- Coverage breadth across dosage forms and strengths
- Presence of multiple jurisdictions with SPC or validated enforcement
- Evidence of enforcement posture by the originator
- Family size and continuation strategy (watch for late-life claim expansions)
What reduces generic freedom-to-operate
- Broad claims on formulation composition or particle size.
- SPC alignment that pushes expiry past the base patent.
- Patents that define the commercial “product identity” used in trials and payer listings.
What generic entry risks exist for Luxembourg: authorized but not reimbursed
A generic can obtain authorization and still face commercial limitations if it launches without reimbursement or without being placed into an accepted payer schedule.
Key risk pattern in small markets:
- Price negotiation cycles take longer in relative terms, delaying uptake.
- Substitution rules can be conservative where prescribers are used to a specific branded product.
How to quantify the likely “reimbursement delay”
- Use historical lag between authorization date and reimbursement listing for prior generic entries in the same therapeutic class.
- Compare originator reimbursement stability versus new generic discounting cycles.
(Execution note: the quantification requires historical Luxembourg reimbursement dossier timing, which is not provided in the prompt.)
Which companies are active in Luxembourg branded and generic markets, and how do they compete on access and pricing
Luxembourg market players largely mirror EU dynamics:
- Originator companies with centrally authorized products
- Generic manufacturers with EU-wide portfolios
- Biosimilar companies where specialty hospital procurement dominates
Commercial competition levers
More… ↓
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