Tijn specialises in administrative law, environment and planning, public private partnership and government liability.
He advises and litigates on behalf of his clients from the public sector (ministries, provinces, municipalities, public professional associations) and the private sector (nuclear energy, chemical industry, project development, building and construction), before both civil and administrative courts.
Tijn has a wide experience in the negotiation and drafting of contracts, and in conflict resolution with public authorities. He gives second opinions and is regularly requested to act as an arbiter, mediator or binding adviser in complex matters.
Tijn teaches at Utrecht University and in various post academic programs. He is the editorial chairman of Kluwer’s Nederlands Tijdschrift voor Bestuursrecht (Dutch public law review) and editor of Administratiefrechtelijke Beslissingen and SDU’s VIND Bestuursrecht.