| Estonian Patent Office | www.epa.ee |
| Estonian Patent Library | www.patentlib.ee |
| Association of Estonian Patent Attorneys |
www.epvs.ee |
| Board of Appeal of Industrial Property | www.mkm.ee/apellatsioon |
| World Intellectual Property Organisation (WIPO) | www.wipo.org |
| Office for the Harmonization in the Internal Market (OHIM) | www.oami.europa.eu |
| International Trademark Association (INTA) | www.inta.org |
