The thesis will deal with the issue of contracting and interpretation of international treaties from a legal-linguistic perspective. The aim of the thesis will be the analysis and evaluation of the whole contracting process from the perspective of the contracting parties and its subsequent translation into national law. It will also address the pitfalls of multilingualism in the field of international contracts. The first part of the thesis will present the basic attributes for international contract law from a public international law perspective. It will then deal with the contracting process as such and its different phases. Afterwards, attention will be paid in particular to the interpretation of the texts of negotiated treaties from the linguistic side of the matter and their real translation into national law. Finally, an analysis of certain international treaties will be made and their impact within the selected legal orders will be compared.