| Contracting Party | Treaty | Signature | Instrument | In Force | Details |
| Croatia | Berne Convention | | Declaration / Notification of Succession: July 28, 1992 | October 8, 1991 | Details |
| Croatia | Brussels Convention | | Declaration / Notification of Succession: July 26, 1993 | October 8, 1991 | Details |
| Croatia | Budapest Treaty | | Accession: November 25, 1999 | February 25, 2000 | |
| Croatia | Hague Agreement | | Accession: January 12, 2004 | February 12, 2004 | Details |
| Croatia | Locarno Agreement | | Declaration / Notification of Succession: July 28, 1992 | October 8, 1991 | Details |
| Croatia | Madrid Agreement (Marks) | | Declaration / Notification of Succession: July 28, 1992 | October 8, 1991 | Details |
| Croatia | Madrid Protocol | | Accession: October 23, 2003 | January 23, 2004 | |
| Croatia | Nairobi Treaty | | Accession: October 20, 2004 | November 20, 2004 | |
| Croatia | Nice Agreement | | Declaration / Notification of Succession: July 28, 1992 | October 8, 1991 | Details |
| Croatia | Paris Convention | | Declaration / Notification of Succession: July 28, 1992 | October 8, 1991 | Details |
| Croatia | Patent Cooperation Treaty | | Ratification: April 1, 1998 | July 1, 1998 | Details |
| Croatia | Patent Law Treaty | June 2, 2000 | Ratification: December 20, 2004 | April 28, 2005 | |
| Croatia | Phonograms Convention | | Accession: January 20, 2000 | April 20, 2000 | |
| Croatia | Rome Convention | | Accession: January 20, 2000 | April 20, 2000 | Details |
| Croatia | Singapore Treaty | March 28, 2006 | Ratification: January 13, 2011 | April 13, 2011 | |
| Croatia | Strasbourg Agreement | | Accession: November 25, 1999 | November 25, 2000 | |
| Croatia | Trademark Law Treaty | | Accession: April 4, 2006 | July 4, 2006 | |
| Croatia | UPOV Convention | | Accession: August 1, 2001 | September 1, 2001 | Details |
| Croatia | Vienna Agreement | | Accession: February 9, 2006 | May 9, 2006 | |
| Croatia | WIPO Convention | | Declaration / Notification of Succession: July 28, 1992 | October 8, 1991 | Details |
| Croatia | WIPO Copyright Treaty | December 15, 1997 | Ratification: July 3, 2000 | March 6, 2002 | |
| Croatia | WIPO Performances and Phonograms Treaty | December 15, 1997 | Ratification: July 3, 2000 | May 20, 2002 | |