The aim of this article is to consider the hypothesis: relations between law and intimacy should be described and reflected also on the basis of concepts emerging in social sciences and philosophy. Traditional methods and categories of jurisprudence are not enough here. Relations between the law and intimacy are „hidden”, for example, in art. 47 and art. 18 Polish Constitution. Particularly interesting is art. 18 with the following text: „Marriage as a union of a woman and a man, family, motherhood and parenthood are under the protection and care of the Republic of Poland”. This provision is the cause of a legal dispute over the admissibility of the institutionalization of partnerships in Poland. The problem of the institutionalization of p...