Managing Partner
Corporate Law and M&A / Commercial and Economic Law / Construction Law / Real Estate, Renting and Co-ownership / Administrative Law and Public Procurement / Urban Planning and Environmental Law / IP – Data Protection Law / Litigation and Arbitration / Sustainability

Koen de Puydt graduated in 1998 as a degree in Communication Sciences (VUB), while he worked for the independent music magazine RifRaf as a journalist. After his studies, he continued his career as a music journalist with De Standaard and Studio Brussel. At the same time he obtained his Licentiate Degree in Law, specializing in Public Law at the VUB (2002). In 2009 he obtained a Master of Business Law at the University of Antwerp.
In 2002, Koen joined a Brussels niche firm specializing in administrative law (urban planning and environmental law, expropriations, government contracts, and protection legislation). In the meantime he remained responsible at de Puydt-van Cauwelaert for the files relating to commercial and economic law and intellectual property law.
Two years later, Koen started working full-time at de Puydt-van Cauwelaert. He was responsible for matters relating to urban planning and environmental law, real estate law, government contracts, contracting law, commercial and economic law, corporate law and intellectual property law. He also publishes on these matters.
In 2010 de Puydt-van Cauwelaert and GD & A Advocaten merged. Koen de Puydt, as partner, headed the Real Estate / Construction Law and Corporate Law units.
Since 2002 he has been lecturer “Contracts, Assignments and Mandates” at Syntra Brussels in the vocational training for real estate agents. In the course for Real Estate Experts, Koen lesson on construction law. He is the initiator of the Property Codex, a collection of legal texts tailored to the real estate professional. The codex is used throughout Flanders in the vocational training of the real estate agents within Syntra.
In August 2012, Koen co-founded the law firm ORYS. In April 2019, Koen together with Leo Peeters of Peeters Law have decided to set up a new law firm under the name of “Seeds of Law”.
Koen de Puydt has many publications to his name and gives on a regular base formations to real estate professionals.
Publications:
Expertises
IP and Data Protection Law
Sustainability
Litigation and Arbitration
Urban Planning and Environmental Law
Administrative Law and Public Procurement
Real Estate, Renting and Co-ownership
Construction Law
Commercial and Economic Law
Corporate Law and M&A
Qualification
Languages
Memberships
Conferences and seminars

19.01.2026
First, we are pleased to announce that the West Flanders team of Philippe & Partners has joined Andersen in Belgium. Based in Roeselare, the team is led by Partner Dirk Clarysse, together with Charlotte Romaen, Senior Counsel.

14.01.2026
•Real Estate, Renting and Co-ownership
By judgment of 18 December 2025, the Belgian Court of Cassation delivered a significant ruling in a disciplinary (disciplinary law / professional disciplinary proceedings) case against a real estate agent, with far-reaching consequences for the real estate profession.

13.01.2026
•Real Estate, Renting and Co-ownership
In an important judgment of 19 December 2025 (C.25.0192.F), the Court of Cassation emphasized the fundamental importance of the architect’s duty of supervision when selecting the contractor, in particular with regard to the contractor’s access to the profession.

10.07.2025
•EU Law and EU Sanctions
We are pleased to announce that Miguel Ángel Caramello-Álvarez has joined our firm as a Partner in EU regulatory, competition law, and public affairs.