Serial Number
99430998
Owner
GuitarViz LLCAttorney
Arun P. BoseFirst Use Date
Jan 1, 2020
Filing Date
Oct 7, 2025
THE BUILDING BLOCKS OF ROCK Trademark
Serial Number: 99430998 • Registration: 8251853
Trademark Classes
Owner Contact Info
Legal Representation
Correspondence Address
Arun P. Bose Donahue Fitzgerald LLP
1999 Harrison Street
Suite 2600
Oakland, CA 94612
United States
Trademark Details
Filing Date
October 7, 2025
Registration Date
May 12, 2026
First Use Anywhere
January 1, 2020
First Use in Commerce
January 1, 2020
Published for Opposition
March 24, 2026
Goods & Services
Providing a web site featuring temporary use of non-downloadable software for use in learning to play guitar