Who owns the L21 trademark?

The L21 trademark is owned by Leadership 21 Worldwide, Inc..

What class is the L21 trademark registered in?

The L21 trademark is registered in Class 035 (Advertising, business management & retail services).

What is the serial number for L21?

The USPTO serial number for L21 is 76413252.

What is the registration number for L21?

L21 is registered under USPTO registration number 2766405.

Sealvo

Home Search: L21L21 #76413252

Back

Updated Sep 28, 2026·13 searches this week

View on USPTO TSDR Find similar marks

L21

USPTO Trademark Record

ABANDONED

L21

SN 76413252·Reg 2766405·Filed May 23, 2002

Owner Leadership 21 Worldwide, Inc.

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

L21 (Serial No. 76413252), Registration No. 2766405, is a abandoned US trademark filed on May 23, 2002 by Leadership 21 Worldwide, Inc.. This trademark covers Class 035 (Advertising, business management & retail services).

Conflict Analysis

Full conflict analysis for L21 (SN 76413252) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

L21 (Reg. #2766405) is an abandoned US trademark that was filed in 2002 but has since been abandoned. The mark covers Class 035 (Advertising, business management & retail services). Goods and services include Advertising; business management, organization and administration; office functions.. The mark faced 1 opposition proceeding during prosecution.

FILED

May 23, 2002

SERIAL

76413252

REG#

2766405

REGISTERED

Sep 23, 2003

Filing Information

StatusABANDONED

Filing DateMay 23, 2002

Serial Number76413252

Registration No.2766405

Registration DateSep 23, 2003

Status DateMay 01, 2010

Published for OppositionJul 01, 2003

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: Feb 28, 1997

First use in commerce: Feb 28, 1997

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

12 events

CANCELLED SEC. 8 (6-YR)

May 01, 2010

CANCELLED SEC. 8 (6-YR)

CORRECTION UNDER SECTION 7 - PROCESSED

Dec 16, 2003

CORRECTION UNDER SECTION 7 - PROCESSED

SEC 7 REQUEST FILED

Oct 02, 2003

SEC 7 REQUEST FILED

REGISTERED-PRINCIPAL REGISTER

Sep 23, 2003

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jul 01, 2003

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Jun 11, 2003

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 24, 2003

APPROVED FOR PUB - PRINCIPAL REGISTER

CASE FILE IN TICRS

Apr 21, 2003

CASE FILE IN TICRS

PAPER RECEIVED

Mar 26, 2003

PAPER RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 26, 2003

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION MAILED

Sep 23, 2002

NON-FINAL ACTION MAILED

ASSIGNED TO EXAMINER

Sep 09, 2002

ASSIGNED TO EXAMINER

Other Marks by Leadership 21 Worldwide, Inc.

Additional USPTO filings from the same owner.

LEA

LEADERSHIP 21

77569686

LEADERSHIP 21 WORLDWIDE, INC.

ABANDONED

L21

75354212

Leadership 21 Worldwide, Inc.

ABANDONED

EXP

EXPLORING CORPORATE DNA

74596720

Leadership 21 Worldwide, Inc.

ABANDONED

EXP

EXPLORING CORPORATE DNA

75976297

Leadership 21 Worldwide, Inc.

ABANDONED

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

Recently filed and registered marks in the same international class.

L21

75354212

Leadership 21 Worldwide, Inc.

ABANDONED

Other Marks by Gene A. Tabachnick

Additional USPTO filings handled by the same attorney of record.

KIS

KISS MY FEET

76099640

ABANDONED

PER

PERUNA

85437747

ABANDONED

GIV

GIVE LIFE TO HISTORY

78374716

ABANDONED

TAK

TAKE CHARGE OF YOUR LIFE

76566029

ABANDONED

L21

Run a conflict check

Other Marks by Leadership 21 Worldwide, Inc.

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

Other Marks by Gene A. Tabachnick

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company