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On-line Patent databases

US Patent database

A database of US patents and patent applications, provided by the US Patent and Trademark Office.

Google patent search

Google has lounched a patent search service (beta site at the moment), allowing textual search in over 7 million US patents - even patents before 1976, which are not textually searchable on the official USPTO website database.

International patent database provided by the European Patent Office

International patent database provided by the European Patnet Office (EPO) as a service to the public.

EPO Patent Register

On-line bibliographic data, status and links to text of EPO patents

International patent applications - PCT

A database of international patent application - PCT, managed by World Intellectual Property Organization (WIPO).

DEPATIS - patent database of the German Patent Office

DEPATIS is an international patent database provided by the German Patent Office.

Japan's patent database

Japan's patent database provided by the Japanese Patent Office.

Canada's patent database

Canadian Patent database provided by the Canadian Patent Office.

Australia's patent database

The Australian patent database, provided by the Australian IP Office.

Links to European patent databases

Link to European patent databases managed by local patent authorities of member states of the European Patent Convention.

UK patent database

UK patent database provided by the UK Patent Office.
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