Who owns the SEIU trademark?

The SEIU trademark is owned by Service Employees International Union.

What class is the SEIU trademark registered in?

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

What is the serial number for SEIU?

The USPTO serial number for SEIU is 86922307.

What is the registration number for SEIU?

SEIU is registered under USPTO registration number 5054473.

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SEI

USPTO Trademark Record

REGISTERED

SEIU

SN 86922307·Reg 5054473·Filed Feb 28, 2016

Owner Service Employees International Union

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

SEIU (Serial No. 86922307), Registration No. 5054473, is a registered US trademark filed on Feb 28, 2016 by Service Employees International Union. This trademark covers Class 035 (Advertising, business management & retail services).

Section 8/9 declaration window: October 06, 2036

Conflict Analysis

Full conflict analysis for SEIU (SN 86922307) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

SEIU (Reg. #5054473) is a registered US trademark that has been protecting its owner, Service Employees International Union, since 2016. 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

Feb 28, 2016

SERIAL

86922307

REG#

5054473

REGISTERED

Oct 04, 2016

Filing Information

StatusREGISTERED

Filing DateFeb 28, 2016

Serial Number86922307

Registration No.5054473

Registration DateOct 04, 2016

Status DateJan 26, 2026

Published for OppositionJul 19, 2016

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: May 06, 1968

First use in commerce: May 06, 1968

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

This description is as filed with the USPTO and defines the scope of trademark protection.

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Status History

20 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 26, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Jan 26, 2026

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jan 26, 2026

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Jan 26, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Oct 23, 2025

TEAS SECTION 8 & 9 RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Oct 04, 2025

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 23, 2022

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Aug 23, 2022

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Aug 23, 2022

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

TEAS SECTION 8 & 15 RECEIVED

Mar 01, 2022

TEAS SECTION 8 & 15 RECEIVED

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

Oct 04, 2021

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

REGISTERED-PRINCIPAL REGISTER

Oct 04, 2016

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jul 19, 2016

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 19, 2016

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 29, 2016

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 13, 2016

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Jun 12, 2016

ASSIGNED TO EXAMINER

NOTICE OF PSEUDO MARK E-MAILED

Mar 03, 2016

NOTICE OF PSEUDO MARK E-MAILED

NEW APPLICATION ENTERED

Mar 02, 2016

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 02, 2016

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

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