e.Digital Corporation
v. Yamaha Corporation of America et. al.

Complaint for Patent Infringement
Civil Action No. 3:12-cv-02571-GPC-RBB, the Hon. Gonzalo P. Curiel presiding.
Filed on Oct. 22, 2012 in the U.S. District Court for the Southern District of California;

Patents in case

• 5,742,737: “Method for recording voice messages on flash memory in a hand held recorder” by Daberko et. al. and assigned to Norris Communications Corporation. Prosecuted by Thorpe, North & Western, LLP. Includes 12 claims (5 indep.). Was application 08/810,210. Filed 3/3/1997 & Granted 4/21/1998.
• 5,491,774: “Handheld record and playback device with flash memory” by Norris et. al. and assigned to Comp General Corporation. Prosecuted by Thorpe, North & Western. Includes 22 claims (2 indep.). Was application 08/229,731. Filed 4/19/1994 & Granted 2/13/1996.
• 5,842,170: “Method for editing in hand held recorder” by Daberko et. al. and assigned to Norris Communications Corp.. Prosecuted by Thorpe, North & Western LLP. Includes 13 claims (2 indep.). Was application 08/772,378. Filed 12/23/1996 & Granted 11/24/1998.
• 5,839,108: “Flash memory file system in a handheld record and playback device” by Daberko et. al. and assigned to Norris Communications, Inc.. Prosecuted by Thorpe, North & Western, L.L.P.. Includes 6 claims (3 indep.). Was application 08/884,245. Filed 6/30/1997 & Granted 11/17/1998.