This folder contains correspondence and other documents relating to the use of Edison's name, whether authorized or unauthorized, for advertising, trademark, or other purposes. Some of the items for 1908 pertain to individuals who named children after Edison and to concerns seeking to market an Edison pen and an Edison vacuum cleaner. One item is a signed certificate in Spanish, granting use of the name "Edison" to the Compania Edison Hispano Americana. There are also letters regarding the unauthorized use of Edison's name by a concrete construction company, by the publisher of an encyclopedia of electricity, and by the defunct Edison Polyform Co.

Related documents can be found in the Legal Department Records. Items concerning the use of the name "Thomas A. Edison, Jr." can be found in D-08-14 (Edison, T.A. - Family).