The subject of this contribution is the influence of Swiss Private International Law (PIL) on the Italian codification. This topic could be regarded as rather old-fashioned. One of the terms of the comparison, the Italian statute of private international law, goes back to May 1995 and the other, the Swiss PIL Act, is even older, almost “prehistoric” since it was adopted in 1987 and entered into force on the 1st January 1989, that means in an era which preceded the advent of the Internet and the “Information Society.” Not even the idea of comparing these two pieces of legislation is an entirely new one, since a very accurate comparative analysis of the two codifications has already been done by Mr. Dutoit, professor of PIL and comparative law at the University of Lausanne, in an article of 1997.