There are useful intellectual property resources available for free on the Internet. Most of these are from official government websites, like agency websites (from Loyola University Chicago).
IP Applications/Registrations - For searching patent or trademark applications/registrations, copyright registrations, or domain names.
Agencies - For websites of agencies or other entities managing intellectual property.
Associations - For websites of associations focusing on intellectual property.
News, Blogs - For websites with IP news or blogs relating to IP.
Statistics - For websites of intellectual property statistics.