This folder contains correspondence and other documents relating to foreign and domestic patent applications, assignments, litigation, and legislation. Among the documents for 1913 are items concerning a reform in the patent laws proposed by electrical engineer and inventor H. Ward Leonard and introduced into the House of Representatives by William A. Oldfield of Arkansas. The correspondents include Leonard, Edison's chief engineer Miller Reese Hutchison, and Edwin W. Rice, Jr. of the General Electric Co.

Approximately 60 percent of the documents, including all items bearing substantive marginalia by Edison, have been selected. The material not selected includes unsolicited correspondence, clippings, and circulars.