Matthieu Seydoux is a Managing Associate in the Lausanne office of Walder Wyss. He advises and represents Swiss and international clients, as well as the public sector, primarily in litigation (commercial litigation, arbitration, mediation) and in all areas of construction and real estate (property development, real estate transactions, counsel to architects and contractors, land use planning, environmental and sustainability issues, ANRA and Lex Koller, public-private partnerships, public procurement, tenancy law, etc.).

He also advises on and litigates in certain regulated markets and complex administrative procedures, particularly in the healthcare sector. In this context, he assists entrepreneurs and companies in drafting and negotiating complex commercial agreements, as well as in implementing innovative projects. Finally, he speaks at conferences, publishes in his areas of expertise and runs in-house training courses.

Matthieu Seydoux graduated from the Universities of Fribourg (BLaw) and Zurich (MLaw). He obtained a PhD in energy and competition law from the University of Fribourg (summa cum laude). He completed an LL.M. in European competition law at the Brussels Study Centre. Finally, he is a certified specialist SBA (Swiss Bar Association) in Real Estate and Construction Law.

Matthieu Seydoux advises clients in French, German and English. Member of several professional associations, he is registered with the Bar Register of the Canton of Vaud and is admitted to practice throughout Switzerland.

Significant Accomplishments

Amundi Energy Transition invests in Youdera

Promotions at Walder Wyss

Kommentar zu den Artikeln 20 bis 24 und 50 des Westschweizer Kommentar zum Verwaltungsverfahren
Lectures on spatial planning
Die Vergabe von Rahmenverträgen nach dem revidierten Beschaffungsrecht
Règlements RPH de la SIA, notabilité et motion Français. L'histoire sans fin, à l'aune du droit comparé
Thermische Netze und Fernwärme. Studie zum schweizerischen öffentlichen Recht. Elemente des europäischen Rechts und des Rechtsvergleichs.
Doing Business in Switzerland - A Practical Guide
Conférence romande consacrée au droit des marchés publics
Competition law and price recommendations - The example of the SIA Regulations
District heating
Energy contracting - Heat and cooling supply
Belastete Standorte - Risiken beim Erwerb von schadstoffbelasteten Grundstücken/ Bundesgerichtliche Prüfung der Basler Wohnschutzbestimmungen/ Planung und Bau thermischer Netze
Characteristic elements of thermal networks with respect to construction, tendering and contracting
Une adjudication de fait peut avoir de multiples conséquences
Die Anschlusspflicht an thermische Netze
Das Parkierungsschreiben nach dem revidierten Vergaberecht
Versunkene Solarinseln
Demandes d'indemnisation selon la LMP révisée
Les études de marché selon le droit des marchés publics révisé
Die anwendbaren kantonalen Verfahren zur Implementierung der 5G-Mobilfunkantennentechnologie
Der Oberflächenabfluss: eine "neue" Naturgefahr und seine Bedeutung im Recht
Beschaffung von Strom durch die öffentliche Hand: fällt dies unter das Vergaberecht?