Here's a case of the USA Patriot Act being invoked to file suit on behalf of the MPAA. The FBI invoked a portion of the act in order to gather information and violate the rights of an individual. Just a small instance of the USA Patriot Act being used for purposes other than intended by some of are in favor of it.
Stargate fan-site operator busted under anti-terrorism law
The creator of an SG-1 fansite has been charged by the FBI with criminal copyright infringment, the result of an investigation that involved a USA PATRIOT Act warrant against the site's ISP to gather intelligence. The Feebs confiscated and then destroyed his personal computers, returning their remains months later. All this comes after several of the show's cast and creators have made a special point of saying how much they liked the site. ...(link)