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withdrawn,object_id FDA-2015-E-4703-0004,FDA,FDA-2015-E-4703,Letter from U.S. Patent and Trademark Office to FDA,Other,Letter(s),2016-12-23T05:00:00Z,2016,12,2016-12-23T05:00:00Z,,2016-12-23T16:28:26Z,,0,0,0900006482434369 FDA-2015-E-4703-0003,FDA,FDA-2015-E-4703,Letter from FDA CDER to the U.S. Patent and Trademark Office,Other,Letter(s),2016-01-26T05:00:00Z,2016,1,2016-01-26T05:00:00Z,,2016-01-26T13:45:25Z,,0,0,0900006481e252df