Serial Number
78145766
Owner
REALNETWORKS, INC.Attorney
Susan L. StuartFirst Use Date
Jul 23, 2002
Filing Date
Jul 19, 2002
HELIX Trademark
Serial Number: 78145766 • Registration: 3851702
Trademark Classes
Owner Contact Info
Legal Representation
Trademark Details
Filing Date
July 19, 2002
Registration Date
September 21, 2010
First Use Anywhere
July 23, 2002
First Use in Commerce
July 23, 2002
Published for Opposition
September 6, 2005
Cancellation Date
April 23, 2021
Goods & Services
Computer software for use in downloading, encoding, transmitting, receiving, extracting, decoding, playing, storing and organizing audio, video, text and other data via local, global, cable and wireless networks