Chambers Europe 2021

KLEYR GRASSO > Rankings > 2021 > Chambers Europe 2021

Chambers Europe 2021

In its 2021 edition, Chambers Europe is again ranking our firm in the leading Luxembourg firms. Our lawyers are also individually ranked in several practice areas.


Within Dispute Resolution, we are ranked among the top 4 law firms (Tier 1) in the Luxembourg legal market. Marc Kleyr is individually ranked in Band 1, Donata Grasso in Band 2 and Rosario Grasso, as well as Pascal Sassel, in Band 3.

What the team is known for Pre-eminent firm well known in the market for its focus on high-profile dispute resolution matters, including arbitration. Represents both public and private entities hailing from the energy, banking and construction sectors. Active on shareholder disputes, liquidation matters, financial litigation and criminal cases. Also advises on defective product litigation.

Strengths The team are praised for their “great attention to detail and excellent knowledge of the written and unwritten rules of litigation.”
Clients also commend the team for “searching for the best solution for the client.”

Notable practitioners
Donata Grasso is singled out by interviewees for her attentiveness, one applauding her for being “meticulous, conscientious and dedicated to her clients.” She assists with shareholder and contractual disputes. She is also active in arbitration.

Sources praise Marc Kleyr , stressing that he “can anticipate issues and is good at strategy.” With a client roster drawn from accounting, automotive and engineering, he advises on bankruptcy and shareholder litigation as well as liability actions.

Pascal Sassel is praised by sources for being “thoughtful and considered, with a good fiery streak, which I like in a litigator.” He advises investors and corporate clients on shareholder litigation and contentious restructuring cases.

Rosario Grasso is reputed among market commentators for his expertise on criminal cases, with a track record in white-collar disputes.


Within Employment, our firm is also ranked in the top 4 law firms (Tier 1). Christian Jungers is individually ranked in Band 1.

What the team is known for Established employment practice providing top-tier advisory and litigation services to clients in a wide range of industries, including public sector agencies, financial services companies and IT companies. Advises on terminations, transfers of undertakings and restructuring, with a particular emphasis on collective bargaining agreements. Represents clients in harassment and unfair dismissal claims, as well as assisting with social elections and the employment aspects of mergers.

Strengths Clients home in on the team’s user-friendly manner, one reporting that “they are very responsive and efficiently communicate with their customers.”
Another characterises the firm as “always proactive.”

Notable practitioners
Christian Jungers advises multinational accounting firms, banks and financial institutions on terminations. His business understanding is hailed as being “outstanding” by one client, who adds: “He can put himself in the shoes of the client.”


In Real Estate, we are again ranked in the leading law firms in Luxembourg. François Collot and Yasmine Poos are ranked in Band 3.

What the team is known for Well regarded for its extensive experience in real estate dispute resolution, as well as transactions and lease agreements. Also known for its work in construction and renovation projects, as well as public procurement mandates. Clients include real estate investment managers, construction companies and public authorities.

Strengths The department’s commercial acumen is reputed among clients, one portraying it as “reliable, quick and easily reachable.”
Another appreciates the “efficiency” on offer and highlights that “they state clear positions.”

Notable practitioners
François Collot advises on construction projects pertaining to office spaces. He also offers experience in real estate disputes. Interviewees stress that “he always has client-oriented discussions.”

Yasmine Poos is esteemed among clients for her user-friendly manner, one describing her as “efficient, fast and pragmatic with her answers.” She acts on behalf of developers and construction companies, assisting with leasings, acquisitions and sales.


Within Corporate/M&A, our firm is again ranked among the leading Luxembourg law firms. Jean-Paul Spang is ranked in Band 3.

What the team is known for Independent domestic practice well equipped to handle a broad range of corporate mandates including acquisitions, divestments, intragroup mergers and capitalisations. Represents private equity houses and manufacturing companies.

Strengths A client appreciates the team’s “great reactivity to the client’s request and advice that is tailor-made to the client’s request.”

Notable practitioners
Jean-Paul Spang is well regarded by market players and is described as a “very good lawyer” and “a very technical person.” Spang regularly advises on domestic and cross-border internal reorganisations and intragroup mergers.