European Patent Office
www.epo.org

German Patent and Trademark Office
www.dpma.de

French Patent Office
www.inpi.fr

UK Intellectual Property Office
www.ipo.gov.uk

United States Patent and Trademark Office
www.uspto.gov

Office for Harmonization in the Internal Market
oami.europa.eu/

WIPO – World Intellectual Property Organization
www.wipo.int