Who owns the THE BUILDING BLOCKS OF ROCK trademark?

The THE BUILDING BLOCKS OF ROCK trademark is owned by GuitarViz LLC.

What class is the THE BUILDING BLOCKS OF ROCK trademark registered in?

The THE BUILDING BLOCKS OF ROCK trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for THE BUILDING BLOCKS OF ROCK?

The USPTO serial number for THE BUILDING BLOCKS OF ROCK is 99430998.

What is the registration number for THE BUILDING BLOCKS OF ROCK?

THE BUILDING BLOCKS OF ROCK is registered under USPTO registration number 8251853.

THE

USPTO Trademark Record

REGISTERED

THE BUILDING BLOCKS OF ROCK

SN 99430998·Reg 8251853·Filed Oct 07, 2025

Owner GuitarViz LLC

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

THE BUILDING BLOCKS OF ROCK (Serial No. 99430998), Registration No. 8251853, is a registered US trademark filed on Oct 07, 2025 by GuitarViz LLC. This trademark covers Class 042 (Scientific, technology & SaaS services).

early section 8: May 12, 2032

Mark Intelligence

THE BUILDING BLOCKS OF ROCK (Reg. #8251853) is a registered US trademark that has been protecting its owner, GuitarViz LLC, since 2025. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 07, 2025

SERIAL

99430998

REG#

8251853

REGISTERED

May 12, 2026

Owner

Applicant

GuitarViz LLC

Entity

LLC

State

Address

331 Mt. Washington Way, Clayton, CA, 94517

Country

Attorney

NameArun P. Bose

Law firm

Arun P. Bose Donahue Fitzgerald LLP

Docket

24476.00001

Address

1999 Harrison Street, Suite 2600, Oakland, CA 94612, United States

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Filing Information

StatusREGISTERED

Filing DateOct 07, 2025

Serial Number99430998

Registration No.8251853

Registration DateMay 12, 2026

Status DateMay 12, 2026

Published for OppositionMar 24, 2026

Mark TypeStandard characters

Attorney Docket24476.00001

Status DescriptionLive and registered

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Jan 01, 2020

First use in commerce: Jan 01, 2020

This description is as filed with the USPTO and defines the scope of trademark protection.

Status History

14 events

REGISTERED-PRINCIPAL REGISTER

May 12, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 12, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Mar 24, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 24, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 18, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Feb 25, 2026

ASSIGNED TO EXAMINER

EXAMINERS AMENDMENT -WRITTEN

Feb 25, 2026

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Feb 25, 2026

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Feb 25, 2026

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Feb 25, 2026

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 25, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION ENTERED

Oct 07, 2025

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 07, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Oct 07, 2025

APPLICATION FILING RECEIPT MAILED

THE BUILDING BLOCKS OF ROCK

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Other Marks by GuitarViz LLC

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