Who owns the TSF trademark?

The TSF trademark is owned by The Stafford Foundation, Inc..

What is the serial number for TSF?

The USPTO serial number for TSF is 88394157.

What is the registration number for TSF?

TSF is registered under USPTO registration number 5863294.

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Updated Sep 17, 2026·42 searches this week

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TSF

USPTO Trademark Record

ABANDONED

TSF

Q: What class is the TSF trademark registered in?

The TSF trademark is registered in Class 035 (Advertising, business management & retail services), Class 037 (Construction, installation & repair services), Class 041 (Education & entertainment services).

SN 88394157·Reg 5863294·Filed Apr 19, 2019

Owner The Stafford Foundation, Inc.

Advertising; business management, organization and administration; office functions.; Construction services; installation and repair services; mining extraction, oil and gas drilling.; Education; providing of training; entertainment; sporting and cultural activities.

TSF (Serial No. 88394157), Registration No. 5863294, is a abandoned US trademark filed on Apr 19, 2019 by The Stafford Foundation, Inc.. This trademark covers Class 035 (Advertising, business management & retail services), Class 037 (Construction, installation & repair services), Class 041 (Education & entertainment services).

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Full conflict analysis for TSF (SN 88394157) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

TSF (Reg. #5863294) is an abandoned US trademark that was filed in 2019 but has since been abandoned. The mark covers Class 035 (Advertising, business management & retail services), Class 037 (Construction, installation & repair services) and Class 041 (Education & entertainment services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Construction services; installatio.... The mark faced 1 opposition proceeding during prosecution.

FILED

Apr 19, 2019

SERIAL

88394157

REG#

5863294

REGISTERED

Sep 17, 2019

Filing Information

StatusABANDONED

Filing DateApr 19, 2019

Serial Number88394157

Registration No.5863294

Registration DateSep 17, 2019

Status DateMar 27, 2026

Published for OppositionJul 02, 2019

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Apr 01, 2019

First use in commerce: Apr 01, 2019

Advertising; business management, organization and administration; office functions.

Class 037Construction, installation & repair services

US codes: 100, 103, 106

First use anywhere: Apr 01, 2019

First use in commerce: Apr 01, 2019

Construction services; installation and repair services; mining extraction, oil and gas drilling.

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Apr 01, 2019

First use in commerce: Apr 01, 2019

Education; providing of training; entertainment; sporting and cultural activities.

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

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Status History

19 events

CANCELLED SEC. 8 (6-YR)

Mar 27, 2026

CANCELLED SEC. 8 (6-YR)

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Sep 17, 2024

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

REGISTERED-PRINCIPAL REGISTER

Sep 17, 2019

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jul 02, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 02, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 12, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

May 28, 2019

ASSIGNED TO LIE

NON-FINAL ACTION WRITTEN

May 10, 2019

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

May 10, 2019

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

May 10, 2019

NOTIFICATION OF NON-FINAL ACTION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

May 10, 2019

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

May 10, 2019

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

May 10, 2019

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

May 10, 2019

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 10, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

NOTICE OF DESIGN SEARCH CODE E-MAILED

May 07, 2019

NOTICE OF DESIGN SEARCH CODE E-MAILED

ASSIGNED TO EXAMINER

May 07, 2019

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 06, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Apr 23, 2019

NEW APPLICATION ENTERED

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FIL

FILLING THE GAP

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ABANDONED

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