Espacenet: The worldwide patent database

European Patent Office (EPO) offer with Espacenet free access to patent documents worldwide, containing information about inventions and technical developments from 1836 to today. It has a user-friendly interface available in almost all European languages. Roughly speaking three collections are available: -- 1.) [national patent protection] This collection lets you search for information about national published patent applications from over 90 patent-granting authorities. -- 2.) [European patent protection] The EP database, by the European Patent Office, is updated weekly and contains the entire collection of European patent applications published. -- 3.) [international patent protection ] This collection is updated weekly and contains international Patent Cooperation Treaty (PCT) applications published by WIPO, the World Intellectual Property Organization, an agencies of the United Nations . WIPO has 189 member states. You can search the full text of all of these patent applications.

 

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