PROOFMARK Trademark
Serial Number: 76048604
Trademark Classes
Owner Contact Info
70 WEST MADISON STREET, SUITE 2300
CHICAGO, IL 60602
Entity Type: 01
Legal Representation
Trademark Details
Filing Date
May 11, 2000
Registration Date
Not Registered
Published for Opposition
February 5, 2002
Goods & Services
Computer systems comprising a server and operating software used for creating verifiable records of the existence and composition of any electronic document or other digital data at a particular point in time