Our ongoing work consists in consolidating the data on the evolution of Swiss federal law since 1947 in order to obtain distinct network structures and variable measurements for a fine-grained, week-based, observation of its evolution. Diachronic variable measurements shall be done in parallel on all 3 language versions of the legal texts, and compared, so as to control the robustness of our observations. The Swiss multilingual context offers a unique opportunity for such comparisons.