Erwin De Deyn


Erwin De Deyn


  • Dutch
  • French
  • English

Erwin is a seasoned trilingual Belgian business attorney and member of the Dutch-speaking association of the Brussels bar with successes in running legal departments at C-level (combined with board exposure) and managing international business expansions within respected companies such as HeidelbergCement AG, Beaulieu International Group NV and Vandemoortele NV. Erwin worked also as Director at Ernst & Young Belgium and attorney-at-law at Deloitte and Oppenheimer Wolff & Donnelly where he focused on litigation and transactional work.

Erwin has extensive experience in the services and manufacturing industry (construction materials, food and Energy sector) and his career is founded on strong legal, business operational and management capabilities. Combining an analytical and solutions-focused approach with solid leadership skills he embraces high profile projects and cases with passion and ambition.

Whatever the nature of the matter or legal dispute, his focus in every case is on his client’s business objectives and the efficient protection of their interests, reputation and business assets.

Erwin assists clients in a wide variety of matters for businesses such as contract, commercial and corporate matters, restructurings, mergers and acquisitions, capital markets, regulatory (ESG), real estate, litigation, white-collar crime and data protection.

Erwin is also an experienced negotiator and certified Data Protection Officer. He is fluent in English, Dutch, French and German.

  • Admitted to the Brussels Bar (1991-98; 2002-2004, 2006 -2007; 2021-...)
  • Certificate Data Protection Officer, Data Protection Institute (2021-2024)
  • International M.B.A. General Management (English Program) - Cum laude, Vlerick Leuven Gent Management School (2002-2003)
  • LL.M. Degree. Master of Laws - Grade granted: A., University of Georgia, Athens (1995-1996)
  • Post Graduate Degree Economic Law - Cum laude, Vrije Universiteit Te Brussel - V.U.B. (1992-1993)
  • Juris Doctor Program, Université Libre De Bruxelles - U.L.B. (1985-1991)
    “Licence” (Equivalent J.D. Degree or Master) in Law - Cum laude (1991) & “Candidat” in Law (Bachelor) (1989)

  • Circular economy
  • Commercial agency[RF1]
  • Commercial litigation and arbitration
  • Commercial partnership agreements[RF2]
  • Contracting[CD3]
  • Debt collection
  • Distribution contracts
  • Franchise[RF4]
  • General and specific terms and conditions
  • Import and Export
  • International Sales Contract
  • Commercial litigation
  • Sale/supply/manufacturing/purchase contracts
  • Sharing economy
  • Service Contracts

  • Arbitration clauses
  • Asset purchase contract
  • B2B contract unfair contract terms
  • B2C unfair contract terms
  • Contractual liability
  • Cooperation contracts
  • Dispute settlement clauses
  • Distribution contracts
  • General terms and conditions
  • License agreements
  • Mandate Agreements
  • NDA
  • Sale/purchase agreement
  • Share Purchase contract
  • Shareholders agreements

  • Articles of association
  • Capital increase / decrease
  • Corporate housekeeping
  • Corporate litigation
  • Daily functioning
  • Directors liability
  • Dispute resolution
  • Governance
  • Incoporation
  • M&A
  • Management agreements
  • Reorganisation
  • Shareholders conflicts
  • Shareholders agreements
  • Share pledges
  • SPA
  • Start-up structuring