Who owns the XO trademark?

The XO trademark is owned by MCI COMMUNICATIONS SERVICES LLC.

What class is the XO trademark registered in?

The XO trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for XO?

The USPTO serial number for XO is 76124995.

What is the registration number for XO?

XO is registered under USPTO registration number 2796531.

Sealvo

Home Search: XOXO #76124995

Back

Updated Oct 2, 2026·25 searches this week

View on USPTO TSDR Find similar marks

USPTO Trademark Record

ABANDONED

XO

SN 76124995·Reg 2796531·Filed Sep 08, 2000

Owner MCI COMMUNICATIONS SERVICES LLC

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

XO (Serial No. 76124995), Registration No. 2796531, is a abandoned US trademark filed on Sep 08, 2000 by MCI COMMUNICATIONS SERVICES LLC. This trademark covers Class 042 (Scientific, technology & SaaS services).

Conflict Analysis

Full conflict analysis for XO (SN 76124995) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

XO (Reg. #2796531) is an abandoned US trademark that was filed in 2000 but has since been abandoned. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 08, 2000

SERIAL

76124995

REG#

2796531

REGISTERED

Dec 23, 2003

Filing Information

StatusABANDONED

Filing DateSep 08, 2000

Serial Number76124995

Registration No.2796531

Registration DateDec 23, 2003

Status DateJul 05, 2024

Published for OppositionSep 30, 2003

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Sep 25, 2000

First use in commerce: Sep 25, 2000

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

61 events

CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9

Jul 05, 2024

CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9

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

Dec 23, 2022

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 04, 2022

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Nov 04, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 04, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 04, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 04, 2022

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Nov 25, 2020

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Apr 10, 2020

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Apr 10, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 10, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 10, 2020

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Apr 10, 2020

TEAS CHANGE OF OWNER ADDRESS RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 08, 2020

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

May 05, 2017

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 05, 2017

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 19, 2017

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

Apr 19, 2017

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

Apr 14, 2017

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 14, 2017

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 31, 2013

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Dec 31, 2013

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Dec 31, 2013

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Dec 31, 2013

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

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

Dec 19, 2013

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

TEAS SECTION 8 & 9 RECEIVED

Dec 19, 2013

TEAS SECTION 8 & 9 RECEIVED

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

Aug 09, 2010

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 06, 2010

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

PAPER RECEIVED

Jun 22, 2010

PAPER RECEIVED

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Jun 22, 2010

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 16, 2007

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 16, 2007

TEAS CHANGE OF OWNER ADDRESS RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 26, 2006

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CORRECTION UNDER SECTION 7 - PROCESSED

Sep 04, 2004

CORRECTION UNDER SECTION 7 - PROCESSED

FAX RECEIVED

Sep 02, 2004

FAX RECEIVED

SEC 7 REQUEST FILED

Jun 07, 2004

SEC 7 REQUEST FILED

REGISTERED-PRINCIPAL REGISTER

Dec 23, 2003

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Sep 30, 2003

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Sep 10, 2003

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 03, 2003

APPROVED FOR PUB - PRINCIPAL REGISTER

USE AMENDMENT ACCEPTED

Aug 03, 2003

USE AMENDMENT ACCEPTED

AMENDMENT TO USE PROCESSING COMPLETE

Jul 28, 2003

AMENDMENT TO USE PROCESSING COMPLETE

CASE FILE IN TICRS

Jun 23, 2003

CASE FILE IN TICRS

PAPER RECEIVED

Jun 05, 2003

PAPER RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 05, 2003

CORRESPONDENCE RECEIVED IN LAW OFFICE

SEC. 44(D) CLAIM DELETED

Jun 05, 2003

SEC. 44(D) CLAIM DELETED

USE AMENDMENT FILED

Jun 05, 2003

USE AMENDMENT FILED

ASSIGNED TO EXAMINER

Mar 07, 2003

ASSIGNED TO EXAMINER

LETTER OF SUSPENSION MAILED

Mar 07, 2003

LETTER OF SUSPENSION MAILED

PAPER RECEIVED

Dec 31, 2002

PAPER RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 31, 2002

CORRESPONDENCE RECEIVED IN LAW OFFICE

INQUIRY AS TO SUSPENSION MAILED

Dec 06, 2002

INQUIRY AS TO SUSPENSION MAILED

ASSIGNED TO EXAMINER

Dec 03, 2002

ASSIGNED TO EXAMINER

EXAMINERS AMENDMENT MAILED

Feb 14, 2002

EXAMINERS AMENDMENT MAILED

LETTER OF SUSPENSION MAILED

Nov 08, 2001

LETTER OF SUSPENSION MAILED

EXAMINERS AMENDMENT MAILED

Nov 02, 2001

EXAMINERS AMENDMENT MAILED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 20, 2001

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION MAILED

Mar 21, 2001

NON-FINAL ACTION MAILED

ASSIGNED TO EXAMINER

Mar 13, 2001

ASSIGNED TO EXAMINER

Mar 08, 2001

ASSIGNED TO EXAMINER

PRELIMINARY/VOLUNTARY AMENDMENT - ENTERED

Jan 04, 2001

PRELIMINARY/VOLUNTARY AMENDMENT - ENTERED

Other Marks by MCI COMMUNICATIONS SERVICES LLC

Additional USPTO filings from the same owner.

ICS

ICSA LABS

76167754

MCI COMMUNICATIONS SERVICES LLC

REGISTERED

LOG

LogoMark

76583137

MCI COMMUNICATIONS SERVICES LLC

ABANDONED

XOC

XO COMMUNICATIONS

76136375

MCI COMMUNICATIONS SERVICES LLC

ABANDONED

76124992

MCI COMMUNICATIONS SERVICES LLC

ABANDONED

Other Marks in Class 042 — Scientific, technology & SaaS services

Recently filed and registered marks in the same international class.

97548248

MadHive, Inc.

REGISTERED

97931809

Sarcos Corp.

PENDING

97416205

TEMPUS AI, INC.

ABANDONED

87149997

SHANGHAI XYLINK LIMITED CORPORATION

ABANDONED

Other Marks by Anita N. Odonovich

Additional USPTO filings handled by the same attorney of record.

LOG

LogoMark

86610712

REGISTERED

STR

STRAIGHT TALK WIRELESS

85569542

REGISTERED

POP

POPDATA

87139701

REGISTERED

RES

RESERVE

86091928

REGISTERED

XO

Run a conflict check

Other Marks by MCI COMMUNICATIONS SERVICES LLC

Other Marks in Class 042 — Scientific, technology & SaaS services

Other Marks by Anita N. Odonovich

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company