id,agency_id,docket_id,title,document_type,subtype,posted_date,posted_year,posted_month,comment_start_date,comment_end_date,last_modified,fr_doc_num,open_for_comment,withdrawn,object_id FDA-2011-E-0156-0003,FDA,FDA-2011-E-0156,FDA/CDER to U.S. Patent and Trademark Office - Letter,Other,LET-Letter,2011-04-26T04:00:00Z,2011,4,2011-04-26T04:00:00Z,,2011-04-26T19:24:19Z,,0,0,0900006480c39e22 FDA-2011-E-0156-0001,FDA,FDA-2011-E-0156,Eisai R&D Managment Co. Ltd. (Covington & Burling LLP)- Patent Extension Application,Other,APP-Application,2011-03-10T05:00:00Z,2011,3,2011-03-10T05:00:00Z,,2013-08-11T04:44:35Z,,0,0,0900006480c04cd5 FDA-2011-E-0156-0002,FDA,FDA-2011-E-0156,U.S. Patent and Trademark Office - Letter,Other,LET-Letter,2011-03-10T05:00:00Z,2011,3,2011-03-10T05:00:00Z,,2011-03-10T16:09:29Z,,0,0,0900006480c04cda