Who owns the STU trademark?

The STU trademark is owned by STU Pte. Ltd..

What class is the STU trademark registered in?

The STU trademark is registered in Class 045 (Legal, security & personal social services).

What is the serial number for STU?

The USPTO serial number for STU is 79078253.

What is the registration number for STU?

STU is registered under USPTO registration number 3864502.

Sealvo

Home Search: STUSTU #79078253

Back

Updated Sep 17, 2026·28 searches this week

View on USPTO TSDR Find similar marks

STU

USPTO Trademark Record

ABANDONED

STU

SN 79078253·Reg 3864502·Filed Dec 03, 2009

Owner STU Pte. Ltd.

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

STU (Serial No. 79078253), Registration No. 3864502, is a abandoned US trademark filed on Dec 03, 2009 by STU Pte. Ltd.. This trademark covers Class 045 (Legal, security & personal social services).

Conflict Analysis

Full conflict analysis for STU (SN 79078253) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

STU (Reg. #3864502) is an abandoned US trademark that was filed in 2009 but has since been abandoned. The mark covers Class 045 (Legal, security & personal social services). Goods and services include Legal services; security services for the physical protection of tangible property and individuals; dating services, onl.... The mark faced 1 opposition proceeding during prosecution.

FILED

Dec 03, 2009

SERIAL

79078253

REG#

3864502

REGISTERED

Oct 19, 2010

Filing Information

StatusABANDONED

Filing DateDec 03, 2009

Serial Number79078253

Registration No.3864502

Registration DateOct 19, 2010

Status DateDec 03, 2019

Published for OppositionAug 03, 2010

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 045Legal, security & personal social services

US codes: 100, 101

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

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

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

31 events

UNDELIVERABLE MAIL - NO ACTION TAKEN

Jan 11, 2021

UNDELIVERABLE MAIL - NO ACTION TAKEN

DEATH OF INTERNATIONAL REGISTRATION

Dec 18, 2020

DEATH OF INTERNATIONAL REGISTRATION

NOTIFICATION OF EFFECT OF CANCELLATION OF INTL REG MAILED

Dec 18, 2020

NOTIFICATION OF EFFECT OF CANCELLATION OF INTL REG MAILED

TOTAL INVALIDATION PROCESSED BY THE IB

Feb 23, 2018

TOTAL INVALIDATION PROCESSED BY THE IB

INVALIDATION PROCESSED

Jan 28, 2018

INVALIDATION PROCESSED

TOTAL INVALIDATION OF REG EXT PROTECTION SENT TO IB

Jan 28, 2018

TOTAL INVALIDATION OF REG EXT PROTECTION SENT TO IB

TOTAL INVALIDATION OF REG EXT PROTECTION CREATED

Jan 26, 2018

TOTAL INVALIDATION OF REG EXT PROTECTION CREATED

CANCELLED SECTION 71

May 26, 2017

CANCELLED SECTION 71

FINAL DECISION TRANSACTION PROCESSED BY IB

Feb 12, 2011

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION PROCESSED

Jan 24, 2011

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE SENT TO IB

Jan 24, 2011

FINAL DISPOSITION NOTICE SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Jan 19, 2011

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Oct 19, 2010

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Aug 03, 2010

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 03, 2010

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

LAW OFFICE PUBLICATION REVIEW COMPLETED

Jul 01, 2010

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Jun 29, 2010

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 16, 2010

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 15, 2010

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jun 15, 2010

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 15, 2010

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 15, 2010

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Apr 09, 2010

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Mar 15, 2010

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Mar 15, 2010

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Mar 13, 2010

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Mar 12, 2010

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Mar 08, 2010

ASSIGNED TO EXAMINER

APPLICATION FILING RECEIPT MAILED

Feb 23, 2010

APPLICATION FILING RECEIPT MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 17, 2010

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Feb 11, 2010

SN ASSIGNED FOR SECT 66A APPL FROM IB

Other Marks by STU Pte. Ltd.

Additional USPTO filings from the same owner.

STU

79269798

STU Pte. Ltd.

REGISTERED

STU

79136054

STU Pte. Ltd.

ABANDONED

Other Marks in Class 045 — Legal, security & personal social services

Recently filed and registered marks in the same international class.

STU

98159843

KAHNG MIN GU

REGISTERED

STU

79269798

STU Pte. Ltd.

REGISTERED

STU

79136054

STU Pte. Ltd.

ABANDONED

STU

86650977

SMITHERS THORNTON & UME-NWAGBO, LLC

ABANDONED

STU

Run a conflict check

Other Marks by STU Pte. Ltd.

Other Marks in Class 045 — Legal, security & personal social services

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company