Links:
United Sates Patent and Trademak Office (USPTO) Hompage

USPTO General Information About Patents

The above link may answer many questions you may have about
patents.

USPTO Patent Search Engine

The repository of patents is public domain and contains a wealth
of information.  The first step in assessing the patentability of any
invention is to do a patent search.  You can do your own search
here.

Google Patent Search Engine

It contains the same information as the USPTO, but I think
google's search engine is quicker and easier.

U.S. Copyright Office

NOLO's Legal Glossary

Provides definitions to legal terms.

Supreme Court of the United States

Keep tabs on the rulings of the highest court of the U.S.
JOHN M. LENCZYK
ATTORNEY-AT-LAW
Specializing In Patents & Trademarks
Useful Links