Who owns the C L X trademark?

The C L X trademark is owned by Chicago Learning Exchange.

What is the serial number for C L X?

The USPTO serial number for C L X is 88131291.

What is the registration number for C L X?

C L X is registered under USPTO registration number 5888634.

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Home Search: C L XC L X #88131291

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Updated Sep 17, 2026·26 searches this week

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CLX

USPTO Trademark Record

REGISTERED

C L X

Q: What class is the C L X trademark registered in?

The C L X trademark is registered in Class 036 (Insurance, financial & real estate services), Class 041 (Education & entertainment services).

SN 88131291·Reg 5888634·Filed Sep 25, 2018

Owner Chicago Learning Exchange

Financial, monetary and banking services; insurance services; real estate services.; Education; providing of training; entertainment; sporting and cultural activities.

C L X (Serial No. 88131291), Registration No. 5888634, is a registered US trademark filed on Sep 25, 2018 by Chicago Learning Exchange. This trademark covers Class 036 (Insurance, financial & real estate services), Class 041 (Education & entertainment services).

Section 8/9 declaration window: October 22, 2029

Conflict Analysis

Full conflict analysis for C L X (SN 88131291) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

C L X (Reg. #5888634) is a registered US trademark that has been protecting its owner, Chicago Learning Exchange, since 2018. The mark covers Class 036 (Insurance, financial & real estate services) and Class 041 (Education & entertainment services) respectively. Goods and services include Financial, monetary and banking services; insurance services; real estate services.; Education; providing of training; e.... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 25, 2018

SERIAL

88131291

REG#

5888634

REGISTERED

Oct 22, 2019

Filing Information

StatusREGISTERED

Filing DateSep 25, 2018

Serial Number88131291

Registration No.5888634

Registration DateOct 22, 2019

Status DateOct 22, 2019

Published for OppositionFeb 26, 2019

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 036Insurance, financial & real estate services

US codes: 100, 101, 102

First use anywhere: Jan 01, 2018

First use in commerce: Jan 01, 2018

Financial, monetary and banking services; insurance services; real estate services.

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Jan 01, 2018

First use in commerce: Jan 01, 2018

Education; providing of training; entertainment; sporting and cultural activities.

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

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Status History

25 events

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

Mar 31, 2026

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 13, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 13, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 15 RECEIVED

Oct 09, 2025

TEAS SECTION 8 & 15 RECEIVED

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

Oct 22, 2024

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

REGISTERED-PRINCIPAL REGISTER

Oct 22, 2019

REGISTERED-PRINCIPAL REGISTER

POST PUBLICATION AMENDMENT - ENTERED

Sep 18, 2019

POST PUBLICATION AMENDMENT - ENTERED

ASSIGNED TO PETITION STAFF

Sep 17, 2019

ASSIGNED TO PETITION STAFF

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

Sep 05, 2019

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

TEAS POST PUBLICATION AMENDMENT RECEIVED

Aug 23, 2019

TEAS POST PUBLICATION AMENDMENT RECEIVED

EXTENSION OF TIME TO OPPOSE RECEIVED

Mar 27, 2019

EXTENSION OF TIME TO OPPOSE RECEIVED

PUBLISHED FOR OPPOSITION

Feb 26, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 26, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 06, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 17, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 16, 2019

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 16, 2019

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

Jan 10, 2019

ASSIGNED TO LIE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jan 08, 2019

TEAS RESPONSE TO OFFICE ACTION RECEIVED

ASSIGNED TO EXAMINER

Jan 07, 2019

ASSIGNED TO EXAMINER

PRIORITY ACTION WRITTEN

Jan 07, 2019

PRIORITY ACTION WRITTEN

PRIORITY ACTION E-MAILED

Jan 07, 2019

PRIORITY ACTION E-MAILED

NOTIFICATION OF PRIORITY ACTION E-MAILED

Jan 07, 2019

NOTIFICATION OF PRIORITY ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 02, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 28, 2018

NEW APPLICATION ENTERED

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