Who owns the LETSOS trademark?

The LETSOS trademark is owned by Letsos Company.

What class is the LETSOS trademark registered in?

The LETSOS trademark is registered in Class 037 (Construction, installation & repair services).

What is the serial number for LETSOS?

The USPTO serial number for LETSOS is 74643209.

What is the registration number for LETSOS?

LETSOS is registered under USPTO registration number 1966604.

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LET

USPTO Trademark Record

REGISTERED

LETSOS

SN 74643209·Reg 1966604·Filed Mar 07, 1995

Owner Letsos Company

Construction services; installation and repair services; mining extraction, oil and gas drilling.

LETSOS (Serial No. 74643209), Registration No. 1966604, is a registered US trademark filed on Mar 07, 1995 by Letsos Company. This trademark covers Class 037 (Construction, installation & repair services).

Section 8/9 declaration window: April 09, 2036

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Full conflict analysis for LETSOS (SN 74643209) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

LETSOS (Reg. #1966604) is a registered US trademark that has been protecting its owner, Letsos Company, since 1995. The mark covers Class 037 (Construction, installation & repair services). Goods and services include Construction services; installation and repair services; mining extraction, oil and gas drilling.. The mark faced 2 opposition proceedings during prosecution.

FILED

Mar 07, 1995

SERIAL

74643209

REG#

1966604

REGISTERED

Apr 09, 1996

Filing Information

StatusREGISTERED

Filing DateMar 07, 1995

Serial Number74643209

Registration No.1966604

Registration DateApr 09, 1996

Status DateAug 22, 2025

Published for OppositionOct 24, 1995

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 037Construction, installation & repair services

US codes: 100, 103, 106

First use anywhere: Jan 31, 1993

First use in commerce: Jul 31, 1993

Construction services; installation and repair services; mining extraction, oil and gas drilling.

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

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Status History

28 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 22, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Aug 22, 2025

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Aug 22, 2025

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

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

Aug 22, 2025

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

TEAS SECTION 8 & 9 RECEIVED

Apr 14, 2025

TEAS SECTION 8 & 9 RECEIVED

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

Apr 09, 2025

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 19, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Mar 19, 2016

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Mar 19, 2016

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Mar 19, 2016

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

TEAS SECTION 8 & 9 RECEIVED

Jan 13, 2016

TEAS SECTION 8 & 9 RECEIVED

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

Apr 09, 2015

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

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

Oct 04, 2005

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 04, 2005

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

ASSIGNED TO PARALEGAL

Jul 13, 2005

ASSIGNED TO PARALEGAL

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

Jul 13, 2005

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jul 13, 2005

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

TEAS SECTION 8 & 9 RECEIVED

May 09, 2005

TEAS SECTION 8 & 9 RECEIVED

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

May 09, 2005

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

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 06, 2004

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Jul 26, 2002

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

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

May 23, 2002

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

REGISTERED-PRINCIPAL REGISTER

Apr 09, 1996

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Oct 24, 1995

PUBLISHED FOR OPPOSITION

Oct 24, 1995

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Sep 22, 1995

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 03, 1995

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Jul 27, 1995

ASSIGNED TO EXAMINER

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