Tools
Here are a few useful links:
Canada
Home page of the Canadian Intellectual Property Office
Search page concerning Canadian patent documents
Search page concerning registered industrial designs
United States
Home page of the United States Patent and Trademark Office
Search page concerning U.S. patent documents
(including issued U.S. design patents)
Search page concerning assignment documents
Other government sites throughout the world
European Economic Community – Search page concerning registered industrial designs
Japan – Search page concerning Japanese patent documents
European Patent Office – Home page
European Patent Office – Search page concerning worldwide patent documents (Espacenet)
World Intellectual Property Organization – Information on patents
World Intellectual Property Organization – Search page concerning PCT patent applications
See also
Links to other IP organizations throughout the world
Stratégies Trois-Quatorze – Intellectual Property Management Services for Businesses (in French)