The FDA has released for public comment draft guidance entitled “Submission of Patent Information for Certain Old Antibiotics.” The document describes the agency's current thinking on the implementation of certain provisions of the Q1 Program Supplemental Funding Act (the Q1 Act) that concern old antibiotics and addresses which sponsors of new drug applications must submit patent information under the Q1 Act by December 5, 2008. Comments on the guidance will be accepted until February 2, 2009.