Who owns the CLEO trademark?

The CLEO trademark is owned by OPTICAL SOCIETY OF AMERICA, INC..

What class is the CLEO trademark registered in?

The CLEO trademark is registered in Class 041 (Education & entertainment services).

What is the serial number for CLEO?

The USPTO serial number for CLEO is 73568622.

What is the registration number for CLEO?

CLEO is registered under USPTO registration number 1428784.

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CLE

USPTO Trademark Record

REGISTERED

CLEO

SN 73568622·Reg 1428784·Filed Nov 15, 1985

Owner OPTICAL SOCIETY OF AMERICA, INC.

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

CLEO (Serial No. 73568622), Registration No. 1428784, is a registered US trademark filed on Nov 15, 1985 by OPTICAL SOCIETY OF AMERICA, INC.. This trademark covers Class 041 (Education & entertainment services).

renewal 40y period: February 10, 2027137 days remaining

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Full conflict analysis for CLEO (SN 73568622) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

CLEO (Reg. #1428784) is a registered US trademark that has been protecting its owner, OPTICAL SOCIETY OF AMERICA, INC., since 1985. The mark covers Class 041 (Education & entertainment services). Goods and services include Education; providing of training; entertainment; sporting and cultural activities.. The mark faced 1 opposition proceeding during prosecution.

FILED

Nov 15, 1985

SERIAL

73568622

REG#

1428784

REGISTERED

Feb 10, 1987

Filing Information

StatusREGISTERED

Filing DateNov 15, 1985

Serial Number73568622

Registration No.1428784

Registration DateFeb 10, 1987

Status DateMar 08, 2017

Published for OppositionNov 18, 1986

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 107

First use anywhere: Jul 02, 1980

First use in commerce: Jul 02, 1980

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

32 events

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

Mar 24, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 24, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 24, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Feb 10, 2026

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

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

Nov 21, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 21, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 21, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Mar 08, 2017

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Mar 08, 2017

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Mar 08, 2017

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 07, 2017

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Jan 10, 2017

TEAS SECTION 8 & 9 RECEIVED

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

Feb 10, 2016

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

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 23, 2015

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 20, 2013

TEAS CHANGE OF CORRESPONDENCE RECEIVED

CASE FILE IN TICRS

Nov 03, 2006

CASE FILE IN TICRS

ASSIGNED TO PARALEGAL

Oct 04, 2006

ASSIGNED TO PARALEGAL

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

Oct 04, 2006

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Oct 04, 2006

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

PAPER RECEIVED

May 02, 2006

PAPER RECEIVED

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

May 02, 2006

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

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

Jul 17, 1992

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

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

Apr 14, 1992

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

REGISTERED-PRINCIPAL REGISTER

Feb 10, 1987

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Nov 18, 1986

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Oct 19, 1986

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 12, 1986

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 22, 1986

CORRESPONDENCE RECEIVED IN LAW OFFICE

FINAL REFUSAL MAILED

Jul 11, 1986

FINAL REFUSAL MAILED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 23, 1986

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION MAILED

Feb 11, 1986

NON-FINAL ACTION MAILED

ASSIGNED TO EXAMINER

Jan 30, 1986

ASSIGNED TO EXAMINER

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JOU

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JOU

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A

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Optical Society of America, Inc.

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JOU

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B

88775839

Optical Society of America, Inc.

REGISTERED

CON

CONFERENCE ON LASERS AND ELECTRO-OPTICS

86056276

Optical Society of America, Inc.

REGISTERED

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