Complaint for Patent Infringement
Civil Action No. 1:10-cv-07387; no judge yet assigned.
Filed on Nov. 16, 2010 in the U.S. District Court for the Northern District of Illinois;

Plaintiffs

v.

Helferich Patent Licensing

Steven G. Lisa, Ltd; Chicago, IL

Steven G. Lisa

Law Office of Steven G. Lisa; Chicago, IL

Mildred Park

Patents in case

• 7,146,157: “Systems and methods for downloading audio information to a mobile device” by Helferich and assigned to Helferich; Richard J.. Prosecuted by Rothwell, Figg, Ernst & Manbeck. Includes 17 claims (4 indep.). Was application 11/108,759. Filed 4/19/2005 & Granted 12/5/2006.
• 6,087,956: “Paging transceivers and methods for selectively erasing information” by Helferich. Prosecuted by Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.. Includes 164 claims (18 indep.). Was application 08/934,132. Filed 9/19/1997 & Granted 7/11/2000.
• 6,097,941: “User interface for voice message access” by Helferich. Prosecuted by Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.. Includes 21 claims (16 indep.). Was application 08/989,874. Filed 12/12/1997 & Granted 8/1/2000.
• 6,983,138: “User interface for message access” by Helferich and assigned to Helferich; Richard J.. Prosecuted by Rothwell, Figg, Ernst & Manbeck. Includes 42 claims (27 indep.). Was application 09/513,998. Filed 2/23/2000 & Granted 1/3/2006.
• 7,499,716: “System and method for delivering information to a transmitting and receiving device” by Helferich and assigned to Wireless Science, LLC. Prosecuted by Kappes; Jon E. Rudy; Douglas W. Busch; James David. Includes 69 claims (5 indep.). Was application 11/399,513. Filed 4/7/2006 & Granted 3/3/2009.