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withdrawn,object_id FDA-2018-E-4429-0008,FDA,FDA-2018-E-4429,Patent Term Extension Letter from FDA CDER to U S Patent Trademark Office,Other,Letter(s),2020-07-28T04:00:00Z,2020,7,2020-07-28T04:00:00Z,,2020-07-28T16:17:10Z,,0,0,09000064847acef5 FDA-2018-E-4429-0007,FDA,FDA-2018-E-4429,Letter from FDA CDER to U.S. Patent and Trademark Office,Other,Letter(s),2020-06-22T04:00:00Z,2020,6,2020-06-22T04:00:00Z,,2020-06-22T17:52:14Z,,0,0,09000064846ff170