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withdrawn,object_id FDA-2017-E-6604-0002,FDA,FDA-2017-E-6604,Letter from U.S. Patent and Trademark Office to CDER,Other,Letter(s),2017-11-22T05:00:00Z,2017,11,2017-11-22T05:00:00Z,,2017-11-22T15:29:43Z,,0,0,0900006482c9f5e7 FDA-2017-E-6604-0001,FDA,FDA-2017-E-6604,"Patent Extension Application from One City Center (on behalf of Regeneron Pharmaceuticals, Inc)",Other,Application,2017-11-22T05:00:00Z,2017,11,2017-11-22T05:00:00Z,,2017-11-22T15:18:19Z,,0,0,0900006482c9f588