Who owns the THIRD MAST trademark?

The THIRD MAST trademark is owned by Third Mast, L.L.C..

What class is the THIRD MAST trademark registered in?

The THIRD MAST trademark is registered in Class 041 (Education & entertainment services).

What is the serial number for THIRD MAST?

The USPTO serial number for THIRD MAST is 99289399.

What is the registration number for THIRD MAST?

THIRD MAST is registered under USPTO registration number 8145018.

Sealvo

Home Search: THIRD MASTTHIRD MAST #99289399

Back

Updated Oct 23, 2026·40 searches this week

View on USPTO TSDR Find similar marks

THI

USPTO Trademark Record

REGISTERED

THIRD MAST

SN 99289399·Reg 8145018·Filed Jul 17, 2025

Owner Third Mast, L.L.C.

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

THIRD MAST (Serial No. 99289399), Registration No. 8145018, is a registered US trademark filed on Jul 17, 2025 by Third Mast, L.L.C.. This trademark covers Class 041 (Education & entertainment services).

early section 8: February 17, 2032

Mark Intelligence

THIRD MAST (Reg. #8145018) is a registered US trademark that has been protecting its owner, Third Mast, L.L.C., since 2025. The mark covers Class 041 (Education & entertainment services). Goods and services include Education; providing of training; entertainment; sporting and cultural activities.. The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 17, 2025

SERIAL

99289399

REG#

8145018

REGISTERED

Feb 17, 2026

Filing Information

StatusREGISTERED

Filing DateJul 17, 2025

Serial Number99289399

Registration No.8145018

Registration DateFeb 17, 2026

Status DateFeb 17, 2026

Published for OppositionDec 30, 2025

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Jun 10, 2013

First use in commerce: Jun 10, 2013

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

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

10 events

REGISTERED-PRINCIPAL REGISTER

Feb 17, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Feb 17, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Dec 30, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Dec 30, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 24, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Dec 05, 2025

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 05, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION ENTERED

Jul 17, 2025

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 17, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Jul 17, 2025

APPLICATION FILING RECEIPT MAILED

Other Marks in Class 041 — Education & entertainment services

Recently filed and registered marks in the same international class.

MAS

MAST

86873738

Steven L. Kagen

REGISTERED

MAS

MAST ACADEMY

85197716

The School Board of Miami-Dade County

REGISTERED

THE

THE THIRD THIRD

77510395

Sentilles, Ann S.

REGISTERED

ANG

ANGRY MAST CELLS

99229025

Holistic Journeys

REGISTERED

Other Marks by Venus Liles

Additional USPTO filings handled by the same attorney of record.

REL

RELEVATE

98742563

REGISTERED

DAR

DARING STUDIOS

88722352

REGISTERED

BET

BETTER MADE EASY

98082317

REGISTERED

POC

POCKET CISO

98909664

REGISTERED

THIRD MAST

Run a conflict check

Other Marks in Class 041 — Education & entertainment services

Other Marks by Venus Liles

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company