Who owns the 21CM trademark?

The 21CM trademark is owned by DePauw University.

What is the serial number for 21CM?

The USPTO serial number for 21CM is 87328645.

What is the registration number for 21CM?

21CM is registered under USPTO registration number 5280680.

Sealvo

Home Search: 21CM21CM #87328645

Back

Updated Sep 27, 2026·40 searches this week

View on USPTO TSDR Find similar marks

21C

USPTO Trademark Record

ABANDONED

21CM

Q: What class is the 21CM trademark registered in?

The 21CM trademark is registered in Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services).

SN 87328645·Reg 5280680·Filed Feb 08, 2017

Owner DePauw University

Advertising; business management, organization and administration; office functions.; Education; providing of training; entertainment; sporting and cultural activities.

21CM (Serial No. 87328645), Registration No. 5280680, is a abandoned US trademark filed on Feb 08, 2017 by DePauw University. This trademark covers Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services).

Conflict Analysis

Full conflict analysis for 21CM (SN 87328645) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

21CM (Reg. #5280680) is an abandoned US trademark that was filed in 2017 but has since been abandoned. The mark covers Class 035 (Advertising, business management & retail services) and Class 041 (Education & entertainment services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Education; providing of training; .... The mark faced 1 opposition proceeding during prosecution.

FILED

Feb 08, 2017

SERIAL

87328645

REG#

5280680

REGISTERED

Sep 05, 2017

Filing Information

StatusABANDONED

Filing DateFeb 08, 2017

Serial Number87328645

Registration No.5280680

Registration DateSep 05, 2017

Status DateMar 15, 2024

Published for OppositionJun 20, 2017

Filing Basis & Declarations

Standard Characters ClaimedFiled 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: Oct 10, 2013

First use in commerce: Oct 10, 2013

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

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Oct 10, 2013

First use in commerce: Oct 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

11 events

CANCELLED SEC. 8 (6-YR)

Mar 15, 2024

CANCELLED SEC. 8 (6-YR)

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

Sep 05, 2022

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

REGISTERED-PRINCIPAL REGISTER

Sep 05, 2017

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jun 20, 2017

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 20, 2017

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 31, 2017

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

May 03, 2017

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

May 03, 2017

APPROVED FOR PUB - PRINCIPAL REGISTER

NOTICE OF PSEUDO MARK E-MAILED

Feb 14, 2017

NOTICE OF PSEUDO MARK E-MAILED

NEW APPLICATION ENTERED

Feb 13, 2017

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 13, 2017

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Other Marks by DePauw University

Additional USPTO filings from the same owner.

DEP

DEPAUW

78582671

DePauw University

REGISTERED

DEP

DEPAUW UNIVERSITY

78583416

DePauw University

REGISTERED

DEP

DEPAUW

86860714

DePauw University

REGISTERED

LOG

LogoMark

86873137

DePauw University

REGISTERED

Other Marks in Class 035 — Advertising, business management & retail services

Recently filed and registered marks in the same international class.

21C

21CM U

87329490

DePauw University

ABANDONED

Other Marks by Chad L. Belville

Additional USPTO filings handled by the same attorney of record.

TRA

TRAVELBOOK

87041068

ABANDONED

BEA

BEATS WALKIN'

87328532

ABANDONED

DAI

DAILY BUZZ

78762997

ABANDONED

RAV

RAVEN RILEY

78763055

ABANDONED

21CM

Run a conflict check

Other Marks by DePauw University

Other Marks in Class 035 — Advertising, business management & retail services

Other Marks by Chad L. Belville

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company