Who owns the STONEBROOK trademark?

The STONEBROOK trademark is owned by Guanwuxi Co., Limited.

What class is the STONEBROOK trademark registered in?

The STONEBROOK trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for STONEBROOK?

The USPTO serial number for STONEBROOK is 99109458.

What is the registration number for STONEBROOK?

STONEBROOK is registered under USPTO registration number 8442445.

STO

USPTO Trademark Record

REGISTERED

STONEBROOK

SN 99109458·Reg 8442445·Filed Mar 28, 2025

Owner Guanwuxi Co., Limited

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

STONEBROOK (Serial No. 99109458), Registration No. 8442445, is a registered US trademark filed on Mar 28, 2025 by Guanwuxi Co., Limited. This trademark covers Class 009 (Electronics, software & scientific instruments).

early section 8: September 15, 2032

Mark Intelligence

STONEBROOK (Reg. #8442445) is a registered US trademark that has been protecting its owner, Guanwuxi Co., Limited, since 2025. The mark covers Class 009 (Electronics, software & scientific instruments). Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 28, 2025

SERIAL

99109458

REG#

8442445

REGISTERED

Sep 15, 2026

Owner

Applicant

Guanwuxi Co., Limited

Entity

Not Provided

Address

OFFICE 5，8/F，MEGA CUBE, 8 WANG KWONG RD, KLN BAY, KOWLOON，HONG KONG, 999077

Country

Attorney

NameAnthony Claiborne

Law firm

Anthony Claiborne CLAIBORNE PATENT LAW SERVICES

Docket

25-1299-21

Address

849 136th Ave. N.E., Bellevue, WA 98005, United States

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Filing Information

StatusREGISTERED

Filing DateMar 28, 2025

Serial Number99109458

Registration No.8442445

Registration DateSep 15, 2026

Status DateSep 15, 2026

Published for OppositionSep 23, 2025

Mark TypeDesign with words

Attorney Docket25-1299-21

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 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: Nov 28, 2025

First use in commerce: Nov 28, 2025

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

Status History

19 events

REGISTERED-PRINCIPAL REGISTER

Sep 15, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 15, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Aug 18, 2026

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Aug 18, 2026

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ASSIGNED TO EXAMINER

Jul 20, 2026

ASSIGNED TO EXAMINER

CASE ASSIGNED TO INTENT TO USE PARALEGAL

May 30, 2026

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

May 30, 2026

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Feb 04, 2026

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Feb 04, 2026

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Nov 18, 2025

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 23, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Sep 23, 2025

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 17, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Aug 27, 2025

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 27, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 13, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Aug 13, 2025

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION ENTERED

Mar 28, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Mar 28, 2025

APPLICATION FILING RECEIPT MAILED

STONEBROOK

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