Who owns the X21 trademark?

The X21 trademark is owned by HomeTask, Inc.

What class is the X21 trademark registered in?

The X21 trademark is registered in Class 041 (Education & entertainment services).

What is the serial number for X21?

The USPTO serial number for X21 is 87560020.

What is the registration number for X21?

X21 is registered under USPTO registration number 5578320.

Sealvo

Home Search: X21X21 #87560020

Back

Updated Sep 28, 2026·21 searches this week

View on USPTO TSDR Find similar marks

X21

USPTO Trademark Record

ABANDONED

X21

SN 87560020·Reg 5578320·Filed Aug 08, 2017

Owner HomeTask, Inc

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

X21 (Serial No. 87560020), Registration No. 5578320, is a abandoned US trademark filed on Aug 08, 2017 by HomeTask, Inc. This trademark covers Class 041 (Education & entertainment services).

Conflict Analysis

Full conflict analysis for X21 (SN 87560020) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

X21 (Reg. #5578320) is an abandoned US trademark that was filed in 2017 but has since been abandoned. 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

Aug 08, 2017

SERIAL

87560020

REG#

5578320

REGISTERED

Oct 09, 2018

Filing Information

StatusABANDONED

Filing DateAug 08, 2017

Serial Number87560020

Registration No.5578320

Registration DateOct 09, 2018

Status DateApr 25, 2025

Published for OppositionJul 24, 2018

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: Jan 01, 2015

First use in commerce: Jan 01, 2015

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

21 events

CANCELLED SEC. 8 (6-YR)

Apr 25, 2025

CANCELLED SEC. 8 (6-YR)

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

Oct 09, 2023

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 25, 2021

TEAS CHANGE OF OWNER ADDRESS RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 25, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 25, 2021

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

REGISTERED-PRINCIPAL REGISTER

Oct 09, 2018

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jul 24, 2018

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 24, 2018

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 04, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 20, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 11, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 11, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

May 09, 2018

ASSIGNED TO LIE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 02, 2018

TEAS RESPONSE TO OFFICE ACTION RECEIVED

ASSIGNED TO EXAMINER

Apr 25, 2018

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Nov 08, 2017

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Nov 08, 2017

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Nov 08, 2017

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Nov 07, 2017

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 14, 2017

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 11, 2017

NEW APPLICATION ENTERED

Other Marks by HomeTask, Inc

Additional USPTO filings from the same owner.

HOM

HOMETASK

78352560

HOMETASK, INC.

ABANDONED

KRP

KÖRPER-STRETCH

87559317

HomeTask, Inc

ABANDONED

BAR

BARRETWIST

87559252

HomeTask, Inc

ABANDONED

EAS

EASY PROFIT GAME

90545029

HomeTask, Inc

ABANDONED

X21

Run a conflict check

Other Marks by HomeTask, Inc

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company