Mark Identification
DEF CON
Serial Number
78345523
Filing Date
Dec 24, 2003
Registration Date
Oct 25, 2005
Trademark by
Active Trademark
Classification Information
Educational seminars, classes, speaker series, conferences and training in the fields of computer and network security, information security, data and telephony network security, Internet security, computer and network technology, computer and network hardware, and computer and network software; training in the use and operation of computers and computer software; and computer and computer software education training
Education and Entertainment