PATCONT = Patent Table of Contents PATPCTI = Patent PCT Information PATTREA = Patent Cooperation Treaty Update PATMFEE = Patent Notice of Maintenance Fees PATEXPI = Patent Expiration of Patents PATREIS = Patent Reissue Applications Notice PATREQU = Patent Request for Reexamination Filed PATERRA = Patent Errata PATSERV = Patent Service by Publication PATCOCN = Patent Certificate of Correction PATBOXS = Patent Special Boxes for Mail PATLIBS = Patent and Trademark Depository Libraries PATEXAM = Patent Examining Corps PATCOND = Patent Condition of Trademark Applications