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withdrawn,object_id FDA-2019-E-1960-0002,FDA,FDA-2019-E-1960,"Patent Extension Application from Arent Fox LLP (on behalf of ZS Pharma, Inc.)",Other,Application,2019-04-24T04:00:00Z,2019,4,2019-04-24T04:00:00Z,,2019-04-24T12:29:16Z,,0,0,0900006483be9e77 FDA-2019-E-1960-0001,FDA,FDA-2019-E-1960,Letter from U.S. Patent and Trademark Office,Other,Letter(s),2019-04-24T04:00:00Z,2019,4,2019-04-24T04:00:00Z,,2019-04-24T12:25:43Z,,0,0,0900006483be9e46