Patent, Copyright And Trademark Information
United States Patent and Trademark - www.uspto.gov
The United States Patent and Trademark Office within the Department of Commerce site contains a searchable database.
United States Copyright Office within the Library of Congress - www.copyright.gov
US Copyright Office is an office of public record for copyright registration and deposit of copyright material.
The European Trademark Office site contains information about patent protection in Europe.
Google Patent Search covers the entire collection of patents made available by the USPTO: from patents issued in the 1790's through those issued in the middle of 2006.
Delphion Intellectual Property Network - www.delphion.com
Delphion Intellectual Property Network has searchable databases on patents and related information. |
