On October 13 and 14, 2010, the firm was present at the “Rencontres Internationales des PPP” at the Palais des Congrès in Paris: stand in the exhibitor’s area; intervention of Yves-René Guillou in the conference “Eclairage public: retour d’expérience des collectivités pionnières” (Public lighting: feedback from pioneering local authorities); training session led by Marie Lhéritier: “Preventing and managing litigation in a PPP”.