Who owns the CLS trademark?

The CLS trademark is owned by Society of Tribologists and Lubrication Engineers.

What class is the CLS trademark registered in?

The CLS trademark is registered in Class B (Class NaN).

What is the serial number for CLS?

The USPTO serial number for CLS is 75445159.

What is the registration number for CLS?

CLS is registered under USPTO registration number 2284781.

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Updated Oct 27, 2026·29 searches this week

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CLS

USPTO Trademark Record

REGISTERED

CLS

SN 75445159·Reg 2284781·Filed Mar 05, 1998

Owner Society of Tribologists and Lubrication Engineers

CLS (Serial No. 75445159), Registration No. 2284781, is a registered US trademark filed on Mar 05, 1998 by Society of Tribologists and Lubrication Engineers. This trademark covers Class B (Class NaN).

Deadline expired: March 12, 2020

Mark Intelligence

CLS (Reg. #2284781) is a registered US trademark that has been protecting its owner, Society of Tribologists and Lubrication Engineers, since 1998. The mark covers Class B (Class NaN). The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 05, 1998

SERIAL

75445159

REG#

2284781

REGISTERED

Oct 12, 1999

Filing Information

StatusREGISTERED

Filing DateMar 05, 1998

Serial Number75445159

Registration No.2284781

Registration DateOct 12, 1999

Status DateFeb 07, 2023

Published for OppositionJul 20, 1999

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedRenewal Filed

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 00BClass 0

US codes: B

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

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Status History

46 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 04, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 04, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Aug 04, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 04, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 04, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NOTICE OF UPDATED REGISTRATION CONFIRMATION EMAILED

Oct 28, 2025

NOTICE OF UPDATED REGISTRATION CONFIRMATION EMAILED

AMENDMENT UNDER SECTION 7 - PROCESSED

Oct 09, 2025

AMENDMENT UNDER SECTION 7 - PROCESSED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Sep 20, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

ON HOLD - ELECTRONIC RECORD REVIEW REQUIRED

Mar 10, 2023

ON HOLD - ELECTRONIC RECORD REVIEW REQUIRED

AMENDMENT UNDER SECTION 7 - PROCESSED

Mar 07, 2023

AMENDMENT UNDER SECTION 7 - PROCESSED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 07, 2023

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REINSTATED

Feb 07, 2023

REINSTATED

PETITION TO DIRECTOR GRANTED

Feb 01, 2023

PETITION TO DIRECTOR GRANTED

ASSIGNED TO PETITION STAFF

Jan 05, 2023

ASSIGNED TO PETITION STAFF

TEAS PETITION TO DIRECTOR RECEIVED

Dec 30, 2022

TEAS PETITION TO DIRECTOR RECEIVED

PETITION TO DIRECTOR DISMISSED

Dec 21, 2022

PETITION TO DIRECTOR DISMISSED

ASSIGNED TO PETITION STAFF

Dec 16, 2022

ASSIGNED TO PETITION STAFF

TEAS PETITION TO DIRECTOR RECEIVED

Apr 04, 2022

TEAS PETITION TO DIRECTOR RECEIVED

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

Nov 05, 2021

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

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

Sep 25, 2019

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

POST REGISTRATION ACTION MAILED - SEC. 7

Sep 12, 2019

POST REGISTRATION ACTION MAILED - SEC. 7

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Sep 06, 2019

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Aug 21, 2019

TEAS SECTION 8 & 9 RECEIVED

TEAS SECTION 7 REQUEST RECEIVED

Aug 21, 2019

TEAS SECTION 7 REQUEST RECEIVED

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

Oct 12, 2018

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

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

Apr 26, 2016

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 26, 2016

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

Dec 13, 2011

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 13, 2011

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

May 19, 2009

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

May 19, 2009

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

ASSIGNED TO PARALEGAL

May 07, 2009

ASSIGNED TO PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

May 05, 2009

TEAS SECTION 8 & 9 RECEIVED

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

Jul 12, 2006

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

PAPER RECEIVED

Mar 31, 2005

PAPER RECEIVED

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

Mar 31, 2005

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

REGISTERED-PRINCIPAL REGISTER

Oct 12, 1999

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jul 20, 1999

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Jun 18, 1999

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

May 26, 1999

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 01, 1999

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 01, 1999

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION MAILED

Oct 01, 1998

NON-FINAL ACTION MAILED

ASSIGNED TO EXAMINER

Sep 16, 1998

ASSIGNED TO EXAMINER

Sep 14, 1998

ASSIGNED TO EXAMINER

Sep 11, 1998

ASSIGNED TO EXAMINER

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