| Contracting Party | Treaty | Signature | Instrument | In Force | Details |
|---|
| Holy See | Berne Convention | | Accession: July 19, 1935 | September 12, 1935 | Details |
| Holy See | Hague Agreement | November 28, 1960 | | | Details |
| Holy See | Locarno Agreement | October 8, 1968 | | | |
| Holy See | Paris Convention | | Accession: July 21, 1960 | September 29, 1960 | Details |
| Holy See | Patent Cooperation Treaty | June 19, 1970 | | | |
| Holy See | Phonograms Convention | October 29, 1971 | Ratification: April 4, 1977 | July 18, 1977 | |
| Holy See | Rome Convention | October 26, 1961 | | | |
| Holy See | Strasbourg Agreement | March 24, 1971 | | | |
| Holy See | WIPO Convention | July 14, 1967 | Ratification: January 20, 1975 | April 20, 1975 | Details |
