IBM Intellectual Property Network
http://www.delphion.com/

• Available here for non-subscribers are the Thomson Delphion Newsletter, press releases and other news information, events and employment opportunities from the Delphion Research Center.

• University of Delaware briefly explains the following terms: patent, patentee, assignee, classification of subject and the acronym cassis.

• This tutorial will help you to understand the process and procedure in searching for patents.

• The Physical and Mathematical Sciences Library offers this website which provides links to others that are information and or searchable for both U.S. and foreign patents and trademarks. 

• Presented by the University of Delaware this subject guide provides a wealth of resources that are numerous and well-organized including materials at the library, databases, electronic journals, internet resources and research guides and other university resources. Also provided is searching capability for copyright information.

• Quick and number searches and operational notices and status are available for both issued patents and published ones. Database contents are available for issued patents. Help on using the system is available for both as well as an FAQ list. Important notices are featured and how to access and address problems in doing so are explained. Published sequence listings are downloadable.