PATRIOT Sunsets Extension Act of 2011 - Amends the USA PATRIOT Improvement and Reauthorization Act of 2005 to extend through June 1, 2015, a provision granting roving electronic surveillance authority.
Amends the Intelligence Reform and Terrorism Prevention Act of 2004 to extend until June 1, 2015, a provision revising the definition of an "agent of a foreign power" to include any non-U.S. person who engages in international terrorism or preparatory activities ("lone wolf" provision).