The Intellectual Property related treaties which Antigua and Barbuda has been a signatory to encompasses:
Conventions
| Treaty | Instrument | In Force | Details |
| Berne Convention | Accession: December 17, 1999 | Friday, March 17, 2000 | Details |
| Budapest Treaty | Accession: March 25, 2019 | Tuesday, June 25, 2019 | |
| Madrid Protocol | Accession: December 17, 1999 | Friday, March 17, 2000 | Details |
| Nice Agreement | Accession: March 25, 2019 | Tuesday, June 25, 2019 | Details |
| Paris Convention | Accession: December 17, 1999 | Friday, March 17, 2000 | Details |
| Patent Cooperation Treaty | Accession: December 17, 1999 | Friday, March 17, 2000 | |
| Patent Law Treaty | Accession: March 25, 2019 | Tuesday, June 25, 2019 | |
| WIPO Convention | Accession: December 17, 1999 | Friday, March 17, 2000 | |
| Trade Related Aspects of Intellectual Property Rights | Accession: April 15, 1994 | Jan 1, 1995 | Details |
| CARIFORUM – EU Economic Partnership Agreement (EPA) | Accession: October 15 2008 | December 2008 | Details |
| CARIFORUM – EU Economic Partnership Agreement (EPA) | Accession: 22nd March 2019 | 2021 | Details |
| The Nagoya Protocol on Access and Benefit-sharing | Accession: 28 July 2011 | 12 Mar 2017 | Details |
