LPATDPA The PATDPA Learning file Database Producer German Patent and Trademark Office Description Learning File to PATDPA 167.81 KB Download: LPATDPA (PDF) Database Summary Sheet: Concise description with all fields, all formats, many examples. 669.35 KB Download: Usage terms (PDF) In addition to the STN General Terms & Conditions, please find the file-specific Usage Terms here. Cluster Learning Features FSORT Images Subjects Patents