| Contracting Party | Treaty | Signature | Instrument | In Force | Details |
| Poland | Berne Convention | | Accession: January 28, 1920 | January 28, 1920 | Details |
| Poland | Budapest Treaty | | Accession: June 22, 1993 | September 22, 1993 | Details |
| Poland | Hague Agreement | | Accession: April 2, 2009 | July 2, 2009 | Details |
| Poland | Madrid Agreement (Indications of Source) | | Accession: October 30, 1928 | December 10, 1928 | Details |
| Poland | Madrid Agreement (Marks) | | Accession: December 14, 1990 | March 18, 1991 | Details |
| Poland | Madrid Protocol | | Accession: December 4, 1996 | March 4, 1997 | Details |
| Poland | Nairobi Treaty | October 24, 1981 | Ratification: October 22, 1996 | November 22, 1996 | |
| Poland | Nice Agreement | | Accession: December 4, 1996 | March 4, 1997 | Details |
| Poland | Paris Convention | | Accession: June 24, 1919 | November 10, 1919 | Details |
| Poland | Patent Cooperation Treaty | | Accession: September 25, 1990 | December 25, 1990 | Details |
| Poland | Patent Law Treaty | June 2, 2000 | | | |
| Poland | Rome Convention | | Accession: March 13, 1997 | June 13, 1997 | Details |
| Poland | Singapore Treaty | | Accession: April 2, 2009 | July 2, 2009 | |
| Poland | Strasbourg Agreement | | Accession: December 4, 1996 | December 4, 1997 | |
| Poland | Trademark Law Treaty | May 10, 1995 | | | |
| Poland | UPOV Convention | | Accession: October 11, 1989 | November 11, 1989 | Details |
| Poland | Vienna Agreement | | Accession: December 4, 1996 | March 4, 1997 | Details |
| Poland | WIPO Convention | January 10, 1968 | Ratification: December 23, 1974 | March 23, 1975 | Details |
| Poland | WIPO Copyright Treaty | | Accession: December 23, 2003 | March 23, 2004 | |
| Poland | WIPO Performances and Phonograms Treaty | | Accession: July 21, 2003 | October 21, 2003 | |