| Contracting Party | Treaty | Signature | Instrument | In Force | Details |
| Italy | Beijing Treaty on Audiovisual Performances | June 26, 2012 | | | |
| Italy | Berne Convention | September 9, 1886 | Ratification: September 5, 1887 | December 5, 1887 | Details |
| Italy | Brussels Convention | May 21, 1974 | Ratification: April 7, 1981 | July 7, 1981 | Details |
| Italy | Budapest Treaty | April 28, 1977 | Ratification: December 23, 1985 | March 23, 1986 | Details |
| Italy | Hague Agreement | | Accession: May 11, 1987 | June 13, 1987 | Details |
| Italy | Lisbon Agreement | October 31, 1958 | Ratification: July 10, 1968 | December 29, 1968 | Details |
| Italy | Locarno Agreement | October 8, 1968 | Ratification: May 2, 1975 | August 12, 1975 | |
| Italy | Madrid Agreement (Indications of Source) | | Accession: February 5, 1951 | March 5, 1951 | Details |
| Italy | Madrid Agreement (Marks) | April 14, 1891 | Ratification: October 15, 1894 | October 15, 1894 | Details |
| Italy | Madrid Protocol | June 28, 1989 | Ratification: January 17, 2000 | April 17, 2000 | Details |
| Italy | Nairobi Treaty | June 15, 1983 | Ratification: September 25, 1985 | October 25, 1985 | |
| Italy | Nice Agreement | June 15, 1957 | Ratification: July 25, 1960 | April 8, 1961 | Details |
| Italy | Paris Convention | March 20, 1883 | Ratification: June 6, 1884 | July 7, 1884 | Details |
| Italy | Patent Cooperation Treaty | June 19, 1970 | Ratification: December 28, 1984 | March 28, 1985 | |
| Italy | Patent Law Treaty | June 2, 2000 | | | |
| Italy | Phonograms Convention | October 29, 1971 | Ratification: December 20, 1976 | March 24, 1977 | Details |
| Italy | Rome Convention | October 26, 1961 | Ratification: January 8, 1975 | April 8, 1975 | Details |
| Italy | Singapore Treaty | March 28, 2006 | Ratification: June 21, 2010 | September 21, 2010 | |
| Italy | Strasbourg Agreement | March 24, 1971 | Ratification: March 28, 1979 | March 30, 1980 | Details |
| Italy | Trademark Law Treaty | October 28, 1994 | Ratification: January 26, 2011 | April 26, 2011 | |
| Italy | UPOV Convention | December 2, 1961 | Ratification: June 1, 1977 | July 1, 1977 | Details |
| Italy | Vienna Agreement | June 12, 1973 | | | |
| Italy | WIPO Convention | July 14, 1967 | Ratification: January 20, 1977 | April 20, 1977 | Details |
| Italy | WIPO Copyright Treaty | December 20, 1996 | Ratification: December 14, 2009 | March 14, 2010 | |
| Italy | WIPO Performances and Phonograms Treaty | December 20, 1996 | Ratification: December 14, 2009 | March 14, 2010 | |