This folder contains correspondence and other documents relating to foreign and domestic patent applications, patent litigation, and other patent matters. Most of the material consists of correspondence between Edison, the law firm of Dyer, Edmonds & Dyer, and Robert Rafn concerning storage battery patents in Europe. Also included are items regarding phonographs, motion pictures, and other matters. At the end of the folder is an undated document in Edison's hand pertaining to electric meter patents.
Approximately 10 percent of the documents have been selected. The following categories have not been selected: routine correspondence about application fees or patent renewals; receipts; letters of transmittal; reports concerning the subdivision of German patent applications; and documents that duplicate information in selected material.