A shift in how Luxembourg courts handle IP infringement claims is creating new pressure points for international businesses. The Tribunal d'arrondissement de Luxembourg (Luxembourg District Court) has tightened its procedural standards for interim relief in IP matters, demanding stronger documentary evidence before granting injunctions. Companies that rely on Luxembourg as a holding or licensing hub – and that have not audited their IP registration position recently – now face a narrowed window in which to act.
Luxembourg's IP enforcement regime has undergone a notable procedural shift, effective from the first quarter of 2025. Driven by evolving court practice at the district court level and clarified guidance from the Cour de cassation (Luxembourg Court of Cassation). Rights holders must now demonstrate a clearer chain of title and substantiated use of the mark or right before interim measures are granted. Companies holding unregistered or inadequately documented IP assets in Luxembourg risk losing the ability to obtain fast-track injunctive relief.
This alert identifies the specific developments, the categories of business most at risk, and the five immediate steps international rights holders should take now.
What has changed – the enforcement shift and its effective date
The core development is a stricter evidential threshold applied by Luxembourg courts when evaluating requests for interim injunctions in IP matters. Previously, a credible assertion of ownership combined with a prima facie infringement claim was generally sufficient for the court to grant provisional measures. Court practice since early 2025 has moved toward requiring rights holders to produce fuller supporting documentation at the outset.
Specifically, courts are now scrutinising three elements more rigorously. First, proof of a valid and subsisting IP registration – including a correctly completed trademark application under the appropriate Nice classification categories. Second, evidence of genuine commercial use of the registered right in Luxembourg or the broader EU market. Third, clear documentation showing that the applicant – and not a related entity – holds enforceable title.
This last point matters acutely for group structures. Luxembourg is home to a large number of SOPARFIs (holding companies governed by Luxembourg corporate legislation) and SICARs (risk capital investment companies regulated by the Commission de Surveillance du Secteur Financier, or CSSF). IP assets are routinely held at the SOPARFI level while operating subsidiaries use them under intra-group licence. Courts are now probing whether the entity filing the infringement claim is in fact the registered owner – or whether a licence agreement is sufficiently documented to confer standing.
The shift also affects opposition proceedings before the Benelux Office for Intellectual Property. Luxembourg-based entities facing or initiating oppositions must ensure that their procedural submissions align with the updated evidentiary expectations that courts will apply if the matter escalates to litigation.
The practical effective date for these heightened standards is the first quarter of 2025. Matters filed from that point onward are subject to the updated approach. Pending matters filed earlier may also be affected where interim measures have not yet been confirmed.
Who is affected – business categories and threshold criteria
The enforcement shift affects a broad range of businesses with IP assets linked to Luxembourg. The following categories face the most immediate exposure.
Holding and licensing structures. Groups that centralise IP ownership in a Luxembourg SOPARFI. a common structure for European tax and regulatory efficiency. must verify that their IP registration records are current and that intra-group licence agreements are properly documented. An IP registration held at the holding level does not automatically confer standing to the operating company for enforcement purposes.
Technology and software companies. Businesses whose AI-related or software IP intersects with Luxembourg's regulatory environment. including those subject to oversight by the CSSF. should review whether their copyright and patent positions are adequately registered and documented. For the intersection of IP and technology regulation, our analysis of AI and technology law in Luxembourg sets out the broader regulatory context.
Consumer goods and brand owners. Companies that have relied on EU-wide trademark protection without a specific Luxembourg filing strategy should assess whether their Nice classification coverage is adequate for the goods and services they distribute in the Grand Duchy.
Financial services firms. Entities regulated by the CSSF that hold proprietary fintech tools, trading systems, or branded financial products should confirm that their IP portfolio is defensible under the updated court standards.
The threshold criterion that determines immediate exposure is straightforward: any company that has initiated or expects to initiate an infringement claim in Luxembourg within the next twelve months should treat the new evidentiary requirements as already applicable. Equally, any company that is a potential defendant should understand that the procedural bar for plaintiffs has risen – which affects settlement dynamics.
To receive an expert assessment of your IP enforcement position in Luxembourg, contact us at info@ferrazwhitmore.com.
Immediate actions – five steps for international rights holders
The following actions should be completed as a matter of priority. Delay reduces the options available, particularly where interim injunctions may be needed at short notice.
- Audit your IP registration portfolio. Confirm that every trademark, patent, or design right you intend to enforce in Luxembourg is registered, current, and held in the correct legal entity's name. Verify that Nice classification categories match your current commercial activities.
- Review and formalise intra-group licence agreements. If your IP is held at a SOPARFI or similar holding level, ensure that licences to operating subsidiaries are in writing, properly executed, and capable of supporting a standing argument before the Tribunal d'arrondissement.
- Document commercial use. Compile evidence of genuine use of each registered right in Luxembourg or the EU market. Courts are examining use evidence at the interim stage – not just at trial. Sales records, marketing materials, and distribution agreements are all relevant.
- Assess pending opposition proceedings. If you are currently involved in opposition proceedings before the Benelux Office, review whether your evidentiary submissions meet the updated standards that courts will apply if the matter is litigated.
- Obtain a jurisdiction-specific enforcement opinion. A targeted legal opinion from a lawyer in Luxembourg with IP enforcement experience will identify gaps in your current position and allow you to address them before a dispute arises.
For a tailored strategy on IP enforcement and IP registration in Luxembourg, our full service overview is available at intellectual property services in Luxembourg. Practitioners managing parallel enforcement matters in other jurisdictions may also find value in reviewing the IP enforcement alert for Portugal, which addresses comparable procedural developments in the Portuguese context.
About Ferraz & Whitmore
Ferraz & Whitmore is an international law firm based in Lisbon, advising business clients across 46 jurisdictions. As a law firm in Luxembourg matters, our IP and technology practice supports rights holders in protecting, registering, and enforcing intellectual property across European civil law systems. We advise technology companies, holding structures, and institutional investors on trademark application strategy, infringement claims, and opposition proceedings in Luxembourg and across the EU. Our team combines Portuguese civil law expertise with English common law tradition – giving clients a dual-perspective approach that is particularly valuable in cross-border IP enforcement. The firm's IP practice covers both registered and unregistered rights across 15 practice areas, with practitioners experienced before the Benelux Office for Intellectual Property and EU courts. To discuss your IP enforcement position in Luxembourg, contact us at info@ferrazwhitmore.com.
Disclaimer: This publication is provided for informational purposes only and does not constitute legal advice. The information herein should not be relied upon as a substitute for professional legal counsel tailored to your specific circumstances. Ferraz & Whitmore assumes no liability for actions taken or not taken based on the contents of this material. For advice regarding your particular situation, please contact info@ferrazwhitmore.com.
Author: Sophie Kellner
Author title: Partner, IP & Technology Law
Published: February 07, 2026