About
Firm Details:
- Managing Partner: Mario DI STEFANO
- Number of lawyers: 26 lawyers, including 6 partners
- Languages: English, French, German, Italian, Luxembourgish
- DSM Avocats à la Cour | 55A, Rue de Merl | L-2146 Luxembourg
DSM Avocats à la Cour, an independent law firm based in Luxembourg, the team of which is composed of over 50 persons, including approximately 30 attorneys and jurists. For 20 years, DSM Avocats à la Cour has advised and represented its clients with a multidisciplinary and international approach. As an independent, full-service law firm, DSM is recognized by its peers and international ranking guides such as Chambers, Leaders League, Legal500, IFLR1000 and World Tax for its expertise in corporate law, M&A, financial law, real estate law, tax law, labor law, digital law and dispute resolution.
As exclusive representative in Luxembourg of international networks of leading independent law firms, DSM offers its clients top-level support for their projects in Luxembourg, Europe and the rest of the world.
Ranked Offices
Provided by DSM Avocats à la Cour
- Luxembourg55-57, Rue de Merl, B.P. 2648, Luxembourg, Luxembourg, Luxembourg, L-2146
- Web: www.dsmlegal.com
- Tel: +352 262 562 1
- Fax: +352 262 562 2
Contributions
Latest contributions provided by DSM Avocats à la Cour

DSM Avocats à la Cour rankings



Articles, highlights and press releases
39 items provided by DSM Avocats à la Cour
DORA: The CSSF is making far-reaching changes to its regulatory framework on ICT risks and outsourc
On 9 April 2025, the CSSF published a series of circulars aligning its regulatory framework with the European DORA (Digital Operational Resilience Act) regulation, in force since 17 January 2025. These updates aim to remove regulatory overlaps and clarify the obligations of supervised entities.
The "permanent physical presence of the manager"
The European Commission considers that Luxembourg's right of establishment does not comply with European law
SCHÜTZ GmbH & Co. KGaA acquires a shareholding in Groupe Duo Emballages: DSM Avocats à la Cour suppo
DSM Avocats à la Cour advised SCHÜTZ GmbH & Co. KGaA in its acquisition of a shareholding in the Groupe Duo Emballages.
DSM Avocats à la Cour advised Passbolt in raising 8 million dollars in capital funds
DSM Avocats à la Cour had the pleasure of supporting Passbolt, a specialist in collaborative and secure access management.
DSM Avocats à la Cour celebrates its 20th anniversary
This year marks two decades of commitment to serving its clients, guided by its fundamental values: excellence, international, closeness, reactivity, and availability.
Attic ghosts or no one is expected to ignore the law and urban planning regulations
Attics and lofts are the space under the roof between the frame and the top floor. Sometimes they are empty, sometimes they are fitted out.
Promotions at DSM Avocats à la Cour
DSM Avocats à la Cour is pleased to announce the following promotions: Mr. Jean-Philippe FRANCOIS as Partner, Ms. Héloïse CUCHE and Mr. Quentin MARTIN as Counsels, Ms. Mélissa CHITO and Mr. Gianluca LAERA as Senior Associates, and Ms. Tram TRAN as Jurist.
The new provisions of the Law of 26 July 2023 on business permits
Overview of the Law of 26 July 2023, amending the Law of 2 September 2011 regulating access to the professions of craftsperson, merchant, manufacturer as well as certain liberal professions, as amended.
Real estate, climate and sustainability: politics and challenges
In the wake of the climate emergency, the European Union (the "EU") has set a bold objective for the real estate sector: to achieve carbon neutrality by 2050.
Comments on the response of the Housing, the Finance and the Justice Ministers to parliamentary
Comments on the response of the Housing Minister, the Finance Minister and the Justice Minister to parliamentary question No. 7963 on off-plan (VEFA) completion guarantees
New data transfer adequacy decision for the transfer of data between the United States and EU
On 10 July 2023 (also the date of its entry into force), the European Commission adopted an adequacy decision in favor of the United States, henceforth allowing the transfer of data in compliance with the GDPR’s provisions.
VEFA: the limitations of the completion guarantee legislation
When an economic sector is doing well, there are often few questions about the exact scope and limits of the protective norms surrounding it. When the trend is reversed and difficulties arise, the limitations of the legislation are usually revealed to their full extent.
Pacta sunt servanda or the risk of becoming a victim of one’s own law
The difficulties of the current economic context will have escaped no one, and certainly not real estate professionals.
European Union publication of the new list of non-cooperative jurisdictions – tax implications in Lu
The European Union list of non-cooperative jurisdictions for tax purposes was updated by the Council of the European Union which added the British Virgin Islands, Costa Rica, the Marshall Islands and Russia on 14 February 2023.
Professional payment guarantees
New positive law rules on guarantees were introduced into the Luxembourg legal system by the Law of 10 July 2020 on professional payment guarantees (the "2020 Law").
A new procedure for accessing the RBE
In a judgment of 22 November 2022, the Court of Justice of the European Union (the “CJEU“) ruled that public access to the beneficial owners register (registre des bénéficiaires effectifs) (the “RBE“) did not comply with the Charter of Fundamental Rights of the European Union.
DSM Avocats à la Cour advised the Wagner Group, on the sale of 85% of European Data Hub to Arcus
DSM Avocats à la Cour advised the Wagner Group Luxembourg, on the sale of 85% of European Data Hub to Arcus Infrastructure Partners LLP.
A few legal tips for reducing the debt-equity ratio in international groups
This subject, which occupies DSM teams during a good part of the year, takes on even more importance as the temperature drops. The purpose of this article is to give you a few points to think about to move forward more calmly towards the end-of-year celebrations.
The importance of a security deposit
The importance of a security deposit for the sale of buildings to be constructed to protect oneself from the risk of the purchaser’s withdrawal
Entrepreneurs and start-ups in relation to VC funds
Love money, business angels, crowdfunding or Venture Capital: today, there are several means for start-ups to raise funds, each one with its own specificities. What interests us today is highlighting points to keep in mind when you are negotiating with a VC fund.
Public access to the RBO, the Court of Justice of the European Union says no!
Following a decision issued on 22 November 2022, the Court of Justice of the European Union (the "Court") invalidates the provisions applicable to the register of beneficial owners (the "RBO") which allow public access to the personal data of beneficial owners.
Business head liability with respect to workplace accidents on construction sites
An employer is required to assure the health and safety of its employees in all aspects related to the employment (Article L.312-1 of the Labor Code).
Drones are taking off in the construction sector
Today, drones are moving into the world of construction and more generally into that of the building trade.
Reimbursement of training costs
It is well known by employers that promoting employee professional training is profitable to their business, by increasing competencies of course, but also to motivate employees. It represents an investment in the future of the business.
Resorting to a right of replacement is not without risk
When construction works are blocked due to a contracting party’s failure to perform or refusal to remedy defects, is it possible, in the absence of specific contractual provisions, to have completed/resumed the works by a third party (or oneself) at the expense of the defaulting contracting party?
Public access to beneficial owner information: Validated by the Advocate General!
Public access to beneficial owner information: Validated by the Advocate General!
Tax lawyers in 2022: advisors and defenders
Tax lawyers in 2022: advisors and defenders Tax lawyers in 2022: advisors and defenders
AmCham Luxembourg newsletter interview with Mario DI STEFANO
See the interview with Mario DI STEFANO, in the latest AmCham Luxembourg newsletter. The interview covers the main changes in the new bill on residential leases, as well as regulations on micro-housing and flat sharing.
The new cultural heritage law: towards a paradigm shift?
On Thursday, 10 February 2022, after two and a half years of legislative procedures, the Parliament voted into law the new law on cultural heritage.
Webinar “Real Estate Transactions – Share Deal vs. Asset Deal – the criteria for choosing”
Webinar “Real Estate Transactions – Share Deal vs. Asset Deal – the criteria for choosing” with Mario DI STEFANO, Renaud LE SQUEREN and Alex PHAM
DORA: The CSSF is making far-reaching changes to its regulatory framework on ICT risks and outsourc
On 9 April 2025, the CSSF published a series of circulars aligning its regulatory framework with the European DORA (Digital Operational Resilience Act) regulation, in force since 17 January 2025. These updates aim to remove regulatory overlaps and clarify the obligations of supervised entities.
The "permanent physical presence of the manager"
The European Commission considers that Luxembourg's right of establishment does not comply with European law
SCHÜTZ GmbH & Co. KGaA acquires a shareholding in Groupe Duo Emballages: DSM Avocats à la Cour suppo
DSM Avocats à la Cour advised SCHÜTZ GmbH & Co. KGaA in its acquisition of a shareholding in the Groupe Duo Emballages.
DSM Avocats à la Cour advised Passbolt in raising 8 million dollars in capital funds
DSM Avocats à la Cour had the pleasure of supporting Passbolt, a specialist in collaborative and secure access management.
DSM Avocats à la Cour celebrates its 20th anniversary
This year marks two decades of commitment to serving its clients, guided by its fundamental values: excellence, international, closeness, reactivity, and availability.
Attic ghosts or no one is expected to ignore the law and urban planning regulations
Attics and lofts are the space under the roof between the frame and the top floor. Sometimes they are empty, sometimes they are fitted out.
Promotions at DSM Avocats à la Cour
DSM Avocats à la Cour is pleased to announce the following promotions: Mr. Jean-Philippe FRANCOIS as Partner, Ms. Héloïse CUCHE and Mr. Quentin MARTIN as Counsels, Ms. Mélissa CHITO and Mr. Gianluca LAERA as Senior Associates, and Ms. Tram TRAN as Jurist.
The new provisions of the Law of 26 July 2023 on business permits
Overview of the Law of 26 July 2023, amending the Law of 2 September 2011 regulating access to the professions of craftsperson, merchant, manufacturer as well as certain liberal professions, as amended.
Real estate, climate and sustainability: politics and challenges
In the wake of the climate emergency, the European Union (the "EU") has set a bold objective for the real estate sector: to achieve carbon neutrality by 2050.
Comments on the response of the Housing, the Finance and the Justice Ministers to parliamentary
Comments on the response of the Housing Minister, the Finance Minister and the Justice Minister to parliamentary question No. 7963 on off-plan (VEFA) completion guarantees
New data transfer adequacy decision for the transfer of data between the United States and EU
On 10 July 2023 (also the date of its entry into force), the European Commission adopted an adequacy decision in favor of the United States, henceforth allowing the transfer of data in compliance with the GDPR’s provisions.
VEFA: the limitations of the completion guarantee legislation
When an economic sector is doing well, there are often few questions about the exact scope and limits of the protective norms surrounding it. When the trend is reversed and difficulties arise, the limitations of the legislation are usually revealed to their full extent.
Pacta sunt servanda or the risk of becoming a victim of one’s own law
The difficulties of the current economic context will have escaped no one, and certainly not real estate professionals.
European Union publication of the new list of non-cooperative jurisdictions – tax implications in Lu
The European Union list of non-cooperative jurisdictions for tax purposes was updated by the Council of the European Union which added the British Virgin Islands, Costa Rica, the Marshall Islands and Russia on 14 February 2023.
Professional payment guarantees
New positive law rules on guarantees were introduced into the Luxembourg legal system by the Law of 10 July 2020 on professional payment guarantees (the "2020 Law").
A new procedure for accessing the RBE
In a judgment of 22 November 2022, the Court of Justice of the European Union (the “CJEU“) ruled that public access to the beneficial owners register (registre des bénéficiaires effectifs) (the “RBE“) did not comply with the Charter of Fundamental Rights of the European Union.
DSM Avocats à la Cour advised the Wagner Group, on the sale of 85% of European Data Hub to Arcus
DSM Avocats à la Cour advised the Wagner Group Luxembourg, on the sale of 85% of European Data Hub to Arcus Infrastructure Partners LLP.
A few legal tips for reducing the debt-equity ratio in international groups
This subject, which occupies DSM teams during a good part of the year, takes on even more importance as the temperature drops. The purpose of this article is to give you a few points to think about to move forward more calmly towards the end-of-year celebrations.
The importance of a security deposit
The importance of a security deposit for the sale of buildings to be constructed to protect oneself from the risk of the purchaser’s withdrawal
Entrepreneurs and start-ups in relation to VC funds
Love money, business angels, crowdfunding or Venture Capital: today, there are several means for start-ups to raise funds, each one with its own specificities. What interests us today is highlighting points to keep in mind when you are negotiating with a VC fund.
Public access to the RBO, the Court of Justice of the European Union says no!
Following a decision issued on 22 November 2022, the Court of Justice of the European Union (the "Court") invalidates the provisions applicable to the register of beneficial owners (the "RBO") which allow public access to the personal data of beneficial owners.
Business head liability with respect to workplace accidents on construction sites
An employer is required to assure the health and safety of its employees in all aspects related to the employment (Article L.312-1 of the Labor Code).
Drones are taking off in the construction sector
Today, drones are moving into the world of construction and more generally into that of the building trade.
Reimbursement of training costs
It is well known by employers that promoting employee professional training is profitable to their business, by increasing competencies of course, but also to motivate employees. It represents an investment in the future of the business.
Resorting to a right of replacement is not without risk
When construction works are blocked due to a contracting party’s failure to perform or refusal to remedy defects, is it possible, in the absence of specific contractual provisions, to have completed/resumed the works by a third party (or oneself) at the expense of the defaulting contracting party?
Public access to beneficial owner information: Validated by the Advocate General!
Public access to beneficial owner information: Validated by the Advocate General!
Tax lawyers in 2022: advisors and defenders
Tax lawyers in 2022: advisors and defenders Tax lawyers in 2022: advisors and defenders
AmCham Luxembourg newsletter interview with Mario DI STEFANO
See the interview with Mario DI STEFANO, in the latest AmCham Luxembourg newsletter. The interview covers the main changes in the new bill on residential leases, as well as regulations on micro-housing and flat sharing.
The new cultural heritage law: towards a paradigm shift?
On Thursday, 10 February 2022, after two and a half years of legislative procedures, the Parliament voted into law the new law on cultural heritage.
Webinar “Real Estate Transactions – Share Deal vs. Asset Deal – the criteria for choosing”
Webinar “Real Estate Transactions – Share Deal vs. Asset Deal – the criteria for choosing” with Mario DI STEFANO, Renaud LE SQUEREN and Alex PHAM