Who owns the CENX trademark?

The CENX trademark is owned by TELEFONAKTIEBOLAGET LM ERICSSON.

What is the serial number for CENX?

The USPTO serial number for CENX is 77783503.

What is the registration number for CENX?

CENX is registered under USPTO registration number 3826309.

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Home Search: CENXCENX #77783503

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Updated Oct 21, 2026·17 searches this week

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CEN

USPTO Trademark Record

REGISTERED

CENX

Q: What class is the CENX trademark registered in?

The CENX trademark is registered in Class 038 (Telecommunications services), Class 042 (Scientific, technology & SaaS services).

SN 77783503·Reg 3826309·Filed Jul 17, 2009

Owner TELEFONAKTIEBOLAGET LM ERICSSON

Telecommunications.; 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.

CENX (Serial No. 77783503), Registration No. 3826309, is a registered US trademark filed on Jul 17, 2009 by TELEFONAKTIEBOLAGET LM ERICSSON. This trademark covers Class 038 (Telecommunications services), Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: July 29, 2030

Mark Intelligence

CENX (Reg. #3826309) is a registered US trademark that has been protecting its owner, TELEFONAKTIEBOLAGET LM ERICSSON, since 2009. The mark covers Class 038 (Telecommunications services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Telecommunications.; Scientific and technological services and research and design relating thereto; industrial analysis.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 17, 2009

SERIAL

77783503

REG#

3826309

REGISTERED

Jul 27, 2010

Filing Information

StatusREGISTERED

Filing DateJul 17, 2009

Serial Number77783503

Registration No.3826309

Registration DateJul 27, 2010

Status DateJul 15, 2020

Published for OppositionDec 15, 2009

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 038Telecommunications services

US codes: 100, 101, 104

First use anywhere: Dec 15, 2009

First use in commerce: Dec 15, 2009

Telecommunications.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Dec 15, 2009

First use in commerce: Dec 15, 2009

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.

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

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Status History

58 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 19, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 19, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Nov 19, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 19, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED

Nov 19, 2025

TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 19, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 30, 2021

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Nov 30, 2021

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 30, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

Nov 30, 2021

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 30, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 30, 2021

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 15, 2020

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jul 15, 2020

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jul 15, 2020

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Jul 15, 2020

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

TEAS SECTION 8 & 9 RECEIVED

May 11, 2020

TEAS SECTION 8 & 9 RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Feb 19, 2020

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Jul 27, 2019

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 29, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Aug 29, 2016

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

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

Aug 29, 2016

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

TEAS SECTION 8 & 15 RECEIVED

Jun 15, 2016

TEAS SECTION 8 & 15 RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jun 14, 2016

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jun 14, 2016

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Oct 23, 2014

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Oct 23, 2014

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

REVIEW OF CORRESPONDENCE COMPLETE - POWER OF ATTORNEY NOT ENTERED

Sep 26, 2014

REVIEW OF CORRESPONDENCE COMPLETE - POWER OF ATTORNEY NOT ENTERED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Sep 25, 2014

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

REGISTERED-PRINCIPAL REGISTER

Jul 27, 2010

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Jun 25, 2010

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Jun 24, 2010

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Jun 24, 2010

STATEMENT OF USE PROCESSING COMPLETE

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Jun 24, 2010

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

LAW OFFICE REGISTRATION REVIEW COMPLETED

Jun 24, 2010

LAW OFFICE REGISTRATION REVIEW COMPLETED

TEAS STATEMENT OF USE RECEIVED

Jun 03, 2010

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Jun 03, 2010

USE AMENDMENT FILED

NOA MAILED - SOU REQUIRED FROM APPLICANT

Mar 09, 2010

NOA MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Dec 15, 2009

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Dec 15, 2009

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

ASSIGNED TO LIE

Nov 12, 2009

ASSIGNED TO LIE

LAW OFFICE PUBLICATION REVIEW COMPLETED

Nov 12, 2009

LAW OFFICE PUBLICATION REVIEW COMPLETED

PREVIOUS ALLOWANCE COUNT WITHDRAWN

Oct 28, 2009

PREVIOUS ALLOWANCE COUNT WITHDRAWN

EXAMINERS AMENDMENT -WRITTEN

Oct 28, 2009

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Oct 28, 2009

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Oct 28, 2009

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Oct 28, 2009

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 28, 2009

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 23, 2009

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 22, 2009

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 22, 2009

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 22, 2009

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO EXAMINER

Oct 20, 2009

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Oct 20, 2009

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Oct 20, 2009

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Oct 20, 2009

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION ENTERED

Jul 21, 2009

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 21, 2009

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

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