Where can I get more information about Patents and Trademarks?

The US Patent & Trademark is a good place to start.

Where can I get more information about Copyrights?

The US Copyright Office is a good place to start.

What website can I use for patent searching?

Google Patents is a free service that has patents from the United States and other countries.

Where can I go for trademark searching?

A good place to start is the US Patent & Trademark Office.