Complaint for Patent Infringement
Civil Action No. 4:12-cv-00230; no judge yet assigned.
Filed on April 18, 2012 in the
U.S. District Court for the Eastern District of Texas;
Public Communications Services
Patents in case
“Method for collect call service based on VoIP technology and system thereof”
Echelon Law Group, PC.
Includes 28 claims (7 indep.).
Was application 11/099,392.
Filed 4/4/2005 &