Who owns the M trademark?

The M trademark is owned by ROOMMATES.COM, LLC.

What class is the M trademark registered in?

The M trademark is registered in Class 038 (Telecommunications services).

What is the serial number for M?

The USPTO serial number for M is 86640443.

What is the registration number for M?

M is registered under USPTO registration number 4877626.

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Updated Sep 28, 2026·24 searches this week

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USPTO Trademark Record

REGISTERED

M

SN 86640443·Reg 4877626·Filed May 25, 2015

Owner ROOMMATES.COM, LLC

Telecommunications.

M (Serial No. 86640443), Registration No. 4877626, is a registered US trademark filed on May 25, 2015 by ROOMMATES.COM, LLC. This trademark covers Class 038 (Telecommunications services).

Section 8/9 declaration window: December 31, 2035

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Full conflict analysis for M (SN 86640443) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

M (Reg. #4877626) is a registered US trademark that has been protecting its owner, ROOMMATES.COM, LLC, since 2015. The mark covers Class 038 (Telecommunications services). Goods and services include Telecommunications.. The mark faced 1 opposition proceeding during prosecution.

FILED

May 25, 2015

SERIAL

86640443

REG#

4877626

REGISTERED

Dec 29, 2015

Filing Information

StatusREGISTERED

Filing DateMay 25, 2015

Serial Number86640443

Registration No.4877626

Registration DateDec 29, 2015

Status DateJun 12, 2025

Published for OppositionOct 13, 2015

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlySection 8 Accepted

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 038Telecommunications services

US codes: 100, 101, 104

First use anywhere: May 01, 2015

First use in commerce: May 01, 2015

Telecommunications.

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

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Status History

33 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 12, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jun 12, 2025

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jun 12, 2025

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Jun 12, 2025

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

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

May 01, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 01, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 01, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 30, 2025

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

TEAS SECTION 8 & 9 RECEIVED

Jan 06, 2025

TEAS SECTION 8 & 9 RECEIVED

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

Dec 29, 2024

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 02, 2021

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Mar 02, 2021

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Mar 02, 2021

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

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

Dec 29, 2020

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

TEAS SECTION 8 RECEIVED

Dec 29, 2020

TEAS SECTION 8 RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Oct 01, 2020

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Oct 01, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 01, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 01, 2020

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Oct 01, 2020

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 17, 2017

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 17, 2017

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 17, 2017

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

REGISTERED-PRINCIPAL REGISTER

Dec 29, 2015

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Oct 13, 2015

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 13, 2015

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 08, 2015

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 23, 2015

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Sep 04, 2015

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 04, 2015

APPROVED FOR PUB - PRINCIPAL REGISTER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jun 02, 2015

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 30, 2015

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 28, 2015

NEW APPLICATION ENTERED

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