Who owns the STROPUM trademark?

The STROPUM trademark is owned by Xiaoyuan Liang.

What class is the STROPUM trademark registered in?

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

What is the serial number for STROPUM?

The USPTO serial number for STROPUM is 99536537.

What is the registration number for STROPUM?

STROPUM is registered under USPTO registration number 8323819.

STR

USPTO Trademark Record

REGISTERED

STROPUM

SN 99536537·Reg 8323819·Filed Dec 08, 2025

Owner Xiaoyuan Liang

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.

STROPUM (Serial No. 99536537), Registration No. 8323819, is a registered US trademark filed on Dec 08, 2025 by Xiaoyuan Liang. This trademark covers Class 009 (Electronics, software & scientific instruments).

early section 8: June 30, 2032

Mark Intelligence

STROPUM (Reg. #8323819) is a registered US trademark that has been protecting its owner, Xiaoyuan Liang, 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

Dec 08, 2025

SERIAL

99536537

REG#

8323819

REGISTERED

Jun 30, 2026

Owner

Applicant

Xiaoyuan Liang

Entity

Individual

Address

Garage Room 10, No. 204, Dexing Road, Huicheng, Xinhui District, Jiangmen, Guangdong, 529100

Country

Attorney

NameJustin Brown

Law firm

Justin Brown BROWN BROTHERS LAW, LLP

Address

1827 Harley Drive, Ann Arbor, MI 48103, United States

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Filing Information

StatusREGISTERED

Filing DateDec 08, 2025

Serial Number99536537

Registration No.8323819

Registration DateJun 30, 2026

Status DateJun 30, 2026

Published for OppositionMay 12, 2026

Mark TypeStandard characters

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: Sep 15, 2024

First use in commerce: Sep 15, 2024

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

Status History

10 events

REGISTERED-PRINCIPAL REGISTER

Jun 30, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jun 30, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

May 12, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 12, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 06, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 15, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Apr 13, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 13, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Dec 08, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Dec 08, 2025

APPLICATION FILING RECEIPT MAILED

STROPUM

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