Search, retrieve and study more than 1,400,000 patent documents. From the Canadian Intellectual Property Office.

The executive body of the European Patent Organisation.

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

Patent bibliographic database from the Government of India.

The Office of Harmonization for the Internal Market (OHIM) registers the Community Trade Mark in the European Union.

Intellectual property information in the United Kingdom.

Offering intellectual property and patent laws and regulations, with additional features available in Chinese.

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.

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