Who owns the SINEAPEX trademark?

The SINEAPEX trademark is owned by Chengjun Xiao.

What class is the SINEAPEX trademark registered in?

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

What is the serial number for SINEAPEX?

The USPTO serial number for SINEAPEX is 99199348.

What is the registration number for SINEAPEX?

SINEAPEX is registered under USPTO registration number 8078428.

SIN

USPTO Trademark Record

REGISTERED

SINEAPEX

SN 99199348·Reg 8078428·Filed May 23, 2025

Owner Chengjun Xiao

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.

SINEAPEX (Serial No. 99199348), Registration No. 8078428, is a registered US trademark filed on May 23, 2025 by Chengjun Xiao. This trademark covers Class 009 (Electronics, software & scientific instruments).

early section 8: December 23, 2031

Mark Intelligence

SINEAPEX (Reg. #8078428) is a registered US trademark that has been protecting its owner, Chengjun Xiao, 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

May 23, 2025

SERIAL

99199348

REG#

8078428

REGISTERED

Dec 23, 2025

Owner

Applicant

Chengjun Xiao

Entity

Individual

Address

No. 17, Group 5, Liyuan Village, Shuitianba Town, Longshan County, Hunan, 416800

Country

Attorney

NameLyvonne Cyrene Nachelle Jones

Law firm

Lyvonne Cyrene Nachelle Jones Brandwrights Advisors LLC

Address

96 Clinton Ave. #134, Newark, NJ 07114, United States

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Filing Information

StatusREGISTERED

Filing DateMay 23, 2025

Serial Number99199348

Registration No.8078428

Registration DateDec 23, 2025

Status DateDec 23, 2025

Published for OppositionNov 04, 2025

Mark TypeStylized 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: Apr 18, 2025

First use in commerce: Apr 18, 2025

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

Status History

14 events

REGISTERED-PRINCIPAL REGISTER

Dec 23, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Dec 23, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Nov 04, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 04, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 29, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Oct 07, 2025

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Oct 07, 2025

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Oct 07, 2025

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Oct 07, 2025

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 07, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Oct 06, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 29, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 23, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

May 23, 2025

APPLICATION FILING RECEIPT MAILED

SINEAPEX

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