Official registration office for trademarks and industrial designs.

The executive body of the European Patent Organisation.

Government organisation providing legal information and registration material for trademarks, patents, designs and intellectual property.

Information for small businesses, on protecting intellectual property through patents, copyrights and trademarks.

General information and publications.

Patent and trademark information in the United States, including free database searching of registered trademarks, registration information, pricing and contact phone numbers.

Official government body responsible for granting Intellectual Property (IP) rights in the United Kingdom, including patents, trade marks, and copyright. Site provides information for about Intellectual property in the United Kingdom for rights holders and consumers.

Responsible for the promotion of the protection of intellectual property throughout the world, and for administration of various multilateral treaties dealing with intellectual property.