| No | Notification Title | Treaty | Notification Date |
|---|
| No 98 | Declaration by the Republic of Costa Rica | WIPO Performances and Phonograms Treaty | May 7, 2019 |
| No 34 | Ratification by the Republic of Costa Rica | Marrakesh VIP Treaty | October 9, 2017 |
| No 76 | Declaration by the Republic of Costa Rica | WIPO Performances and Phonograms Treaty | August 14, 2009 |
| No 107 | Accession by the Republic of Costa Rica | UPOV Convention | December 12, 2008 |
| No 48 | Ratification by the Republic of Costa Rica | Trademark Law Treaty | July 17, 2008 |
| No 259 | Accession by the Republic of Costa Rica | Budapest Treaty | June 30, 2008 |
| No 2 | Signatories | Singapore Treaty | April 10, 2007 |
| No 32 | Entry into Force | WIPO Performances and Phonograms Treaty | February 20, 2002 |
| No 32 | Entry into Force | WIPO Copyright Treaty | December 6, 2001 |
| No 17 | Ratification by the Republic of Costa Rica | WIPO Copyright Treaty | May 23, 2000 |
| No 15 | Ratification by the Republic of Costa Rica | WIPO Performances and Phonograms Treaty | May 23, 2000 |
| No 133 | Accession by the Republic of Costa Rica | Patent Cooperation Treaty | May 3, 1999 |
| No 2 | Signatories | WIPO Copyright Treaty | January 5, 1998 |
| No 1 | Signatories | WIPO Performances and Phonograms Treaty | January 5, 1998 |
| No 22 | Accession by the Republic of Costa Rica | Lisbon Agreement | April 30, 1997 |
| No 1 | Signatories | Trademark Law Treaty | November 8, 1995 |
| No 168 | Accession by the Republic of Costa Rica | Paris Convention | July 31, 1995 |
| No 38 | Accession by the Republic of Costa Rica | Phonograms Convention | March 17, 1982 |
| No 116 | Accession by the Republic of Costa Rica | WIPO Convention | March 12, 1981 |
| No 90 | Accession to the Paris Act (1971) by the Republic of Costa Rica | Berne Convention | March 10, 1978 |
