| Contracting Party | Treaty | Signature | Instrument | In Force | Details |
| Brazil | Berne Convention | | Accession: February 6, 1922 | February 9, 1922 | Details |
| Brazil | Brussels Convention | May 21, 1974 | | | |
| Brazil | Madrid Agreement (Indications of Source) | April 14, 1891 | Ratification: October 3, 1896 | October 3, 1896 | Details |
| Brazil | Nairobi Treaty | December 15, 1982 | Ratification: July 10, 1984 | August 10, 1984 | |
| Brazil | Paris Convention | March 20, 1883 | Ratification: June 6, 1884 | July 7, 1884 | Details |
| Brazil | Patent Cooperation Treaty | June 19, 1970 | Ratification: January 9, 1978 | April 9, 1978 | |
| Brazil | Patent Law Treaty | June 2, 2000 | | | |
| Brazil | Phonograms Convention | October 29, 1971 | Ratification: August 6, 1975 | November 28, 1975 | |
| Brazil | Rome Convention | October 26, 1961 | Ratification: June 29, 1965 | September 29, 1965 | |
| Brazil | Strasbourg Agreement | June 28, 1971 | Ratification: October 3, 1974 | October 7, 1975 | |
| Brazil | UPOV Convention | | Accession: April 23, 1999 | May 23, 1999 | Details |
| Brazil | Vienna Agreement | December 11, 1973 | | | |
| Brazil | WIPO Convention | | Accession: December 20, 1974 | March 20, 1975 | Details |