- Australian Patent Office
- Austrian Patent Office (in German)
- Benelux Office for Intellectual Property
- Canadian Intellectual Property Office
- Czech Industrial Property Office
- Danish Patent and Trademark Office
- German Patent and Trade Mark Office
- Hungarian Intellectual Property Office
- Industrial Property Office of the Slovak Republic
- National Institute of Industrial Property - France (
in French) - National Institute of Industrial Property (INPI) – Brazil (in Portuguese)
- Patent Office - Ireland
- Portuguese Institute of Industrial Property (PDF)
- Spanish Patent and Trademark Office
- Swiss Federal Institute of Intellectual Property
- United Kingdom Intellectual Property Office
- United States Patent and Trademark Office (USPTO)