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withdrawn,object_id FDA-2015-E-3158-0003,FDA,FDA-2015-E-3158,Letter from FDA CDER to the U.S. Patent and Trademark Office,Other,Letter(s),2015-10-20T04:00:00Z,2015,10,2015-10-20T04:00:00Z,,2015-10-20T15:45:32Z,,0,0,0900006481cd58d0 FDA-2015-E-3158-0001,FDA,FDA-2015-E-3158,Patent Extension Application from Pfizer Inc. (on behalf of Wyeth Holding LLC),Other,Application,2015-08-27T04:00:00Z,2015,8,2015-08-27T04:00:00Z,,2015-08-27T16:43:37Z,,0,0,0900006481c3e667 FDA-2015-E-3158-0002,FDA,FDA-2015-E-3158,Letter from U.S. Patent and Trademark Office,Other,Letter(s),2015-08-27T04:00:00Z,2015,8,2015-08-27T04:00:00Z,,2015-08-27T16:47:49Z,,0,0,0900006481c3e665