Some provisions are set to expire at the end of this month.
The extension, until December, would give lawmakers more time to hold hearings.
Republicans took control of the House last month and are still getting organized.
The Patriot Act was approved after the 9-11 terrorist attacks.
It gave law enforcement agencies new powers to deal with terrorist threats.
Civil libertarians question whether the law went too far.
The expiring provisions deal with wiretaps, including so-called roving wiretaps, and the seizure of customer records from businesses.
(Copyright 2011 by VERTEXNews/Newsroom Solutions)