Marie Dupuis is a Counsel in Osborne Clarke's Corporate / M&A team in Luxembourg.

She advises on cross-border and domestic M&A, investment structuring and financing, and joint ventures, with a focus on the private equity, infrastructure, real estate and digital sectors. Marie also advises on corporate restructurings and strategic corporate governance matters.

Key focus areas

• Private equity transactions, including acquisitions, investments, disposals and management incentive arrangements and carried interest programmes
• Domestic and cross-border M&A, including acquisitions, exits and mergers
• Corporate restructurings, group reorganisation and corporate simplification projects
• Joint ventures, shareholders’ arrangements and strategic partnerships
• Corporate governance and strategic advice to shareholders, boards and management teams
• Cross-border investment structuring, including Luxembourg acquisition, holding and investment structures
• Multi-jurisdictional transactions involving Luxembourg entities and international investment platforms.

Who I advise

• Private equity sponsors and investment funds on acquisitions, disposals and portfolio company transactions
• Multinational corporate groups on strategic acquisitions, divestments, restructuring and cross-border projects
• Financial institutions and asset managers on Luxembourg corporate, governance and investment structures
• Family offices, founders and private investors on investment, governance and structuring matters
• International businesses using Luxembourg as a platform for cross-border investments and holding structures.

Sector focus

• Financial Services: advising private equity sponsors, investment funds, asset managers and financial institutions on acquisitions, investments, exits and Luxembourg structuring.
• Technology, Media and Communications (TMT): advising investors and technology businesses on M&A transactions, growth investments and corporate reorganisations, with additional experience reviewing market data agreements.
• The Built Environment: advising investors and corporate groups on acquisitions, disposals, joint ventures and investment structures involving real estate assets.
• Life Sciences and Healthcare: advising corporates, investors and private equity sponsors on cross-border M&A, investments, joint ventures and corporate structuring across the life sciences and healthcare sectors.
• Mobility and Infrastructure: advising investors and businesses on acquisitions, disposals, joint ventures and cross-border transactions. 

How I help clients

Marie combines technical expertise with a practical understanding of her clients’ commercial objectives. Drawing on experience in private practice and in-house, she identifies legal and execution risks early and provides clear, actionable advice to support informed decisions on transaction structures, governance and implementation. She develops commercially workable solutions and coordinates complex, multi-jurisdictional transactions and projects, delivering responsive, business-focused support throughout the transaction lifecycle.

Notable experience

• Advising on the acquisition of a majority stake in a European telecommunications tower business, including joint venture arrangements and equity funding
• Advising an infrastructure investor on the acquisition, alongside a consortium partner, of a European rail freight wagon leasing group
• Advising an infrastructure investor on the acquisition of a leading public transport operator in Norway
• Advising a leading Sweden-based global private equity firm on the structuring and implementation of carried interest arrangements
• Advising a French diagnostics laboratory group on the acquisition of a Luxembourg-based company to support the expansion of its business operations.

Credentials and recognition

• Regular webinar speaker on Luxembourg corporate law
• Admitted to the Luxembourg Bar (2021)
• Master's Degree, International Business Law, University of Rennes, France (2014)
• Exchange program, International Business Law, Tilburg University, the Netherlands (2013)
• Bachelor's Degree, Private Law, University of Montpellier I (2012)