Patents
What is Intellectual Property?
USPTO Information on Patents
Parts of a Patent Application
 
 
Gramophone
November 8, 1887
 
Trademarks
USPTO Information on Trademarks
 
 
Copyrights
USPTO Information on Copyrights
Copyright Office Information Circulars
The American Society of Composers, Authors
and Publishers (ASCAP)
Legal Opinions
Analysis of P3P and US Patent 5,862,325