Who owns the MATH MASTERS trademark?

The MATH MASTERS trademark is owned by Bart-Willem van Huizum.

What is the serial number for MATH MASTERS?

The USPTO serial number for MATH MASTERS is 79437791.

What is the registration number for MATH MASTERS?

MATH MASTERS is registered under USPTO registration number 8350262.

Sealvo

Home Search: MATH MASTERSMATH MASTERS #79437791

Back

Updated Oct 13, 2026·42 searches this week

View on USPTO TSDR Find similar marks

MAT

USPTO Trademark Record

REGISTERED

MATH MASTERS

Q: What class is the MATH MASTERS trademark registered in?

The MATH MASTERS trademark is registered in Class 028 (Games, toys & sporting goods), Class 035 (Advertising, business management & retail services).

SN 79437791·Reg 8350262·Filed Oct 19, 2025

Owner Bart-Willem van Huizum

Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.; Advertising; business management, organization and administration; office functions.

MATH MASTERS (Serial No. 79437791), Registration No. 8350262, is a registered US trademark filed on Oct 19, 2025 by Bart-Willem van Huizum. This trademark covers Class 028 (Games, toys & sporting goods), Class 035 (Advertising, business management & retail services).

early section 8: July 21, 2032

Mark Intelligence

MATH MASTERS (Reg. #8350262) is a registered US trademark that has been protecting its owner, Bart-Willem van Huizum, since 2025. The mark covers Class 028 (Games, toys & sporting goods) and Class 035 (Advertising, business management & retail services) respectively. Goods and services include Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.; Adv.... The mark faced 3 opposition proceedings during prosecution.

FILED

Oct 19, 2025

SERIAL

79437791

REG#

8350262

REGISTERED

Jul 21, 2026

Filing Information

StatusREGISTERED

Filing DateOct 19, 2025

Serial Number79437791

Registration No.8350262

Registration DateJul 21, 2026

Status DateJul 21, 2026

Published for OppositionJun 02, 2026

Filing Basis & Declarations

Trademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 028Games, toys & sporting goods

US codes: 022, 023, 038, 050

Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

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

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

25 events

REGISTERED-PRINCIPAL REGISTER

Jul 21, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jul 21, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 02, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 02, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION PROCESSED BY IB

May 28, 2026

NOTIFICATION PROCESSED BY IB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 27, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

May 13, 2026

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

May 13, 2026

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

APPROVED FOR PUB - PRINCIPAL REGISTER

May 02, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

REFUSAL PROCESSED BY IB

Apr 30, 2026

REFUSAL PROCESSED BY IB

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Apr 28, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 28, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 28, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Apr 20, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Apr 20, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Apr 20, 2026

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 20, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

REFUSAL PROCESSED BY MPU

Apr 10, 2026

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Apr 10, 2026

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Mar 08, 2026

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Mar 07, 2026

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Mar 05, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 02, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Dec 02, 2025

APPLICATION FILING RECEIPT MAILED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Nov 27, 2025

SN ASSIGNED FOR SECT 66A APPL FROM IB

Other Marks in Class 028 — Games, toys & sporting goods

Recently filed and registered marks in the same international class.

MAT

MATH MASTERS

74489461

Mathmasters, Inc.

ABANDONED

MAT

MATH MASTERS

73521627

HOUGHTON MIFFLIN COMPANY

ABANDONED

MAS

MASTERS

86279796

Augusta National, Inc.

REGISTERED

MAS

MASTERS

85678932

Augusta National, Inc.

REGISTERED

Other Marks by Andrea Selkregg

Additional USPTO filings handled by the same attorney of record.

AWK

AWKN

98632443

REGISTERED

OCE

OCEAN SIGHT

88802430

REGISTERED

COS

COSMIC ATMA

98657224

REGISTERED

LOG

LogoMark

99695547

REGISTERED

MATH MASTERS

Run a conflict check

Other Marks in Class 028 — Games, toys & sporting goods

Other Marks by Andrea Selkregg

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company