Who owns the L trademark?

The L trademark is owned by Libretto LLC.

What is the serial number for L?

The USPTO serial number for L is 90403327.

What is the registration number for L?

L is registered under USPTO registration number 6510439.

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Updated Oct 9, 2026·9 searches this week

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USPTO Trademark Record

REGISTERED

L

Q: What class is the L trademark registered in?

The L trademark is registered in Class 036 (Insurance, financial & real estate services), Class 042 (Scientific, technology & SaaS services).

SN 90403327·Reg 6510439·Filed Dec 22, 2020

Owner Libretto LLC

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

L (Serial No. 90403327), Registration No. 6510439, is a registered US trademark filed on Dec 22, 2020 by Libretto LLC. This trademark covers Class 036 (Insurance, financial & real estate services), Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: October 06, 2031

Mark Intelligence

L (Reg. #6510439) is a registered US trademark that has been protecting its owner, Libretto LLC, since 2020. The mark covers Class 036 (Insurance, financial & real estate services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Financial, monetary and banking services; insurance services; real estate services.; Scientific and technological servic.... The mark faced 1 opposition proceeding during prosecution.

FILED

Dec 22, 2020

SERIAL

90403327

REG#

6510439

REGISTERED

Oct 05, 2021

Filing Information

StatusREGISTERED

Filing DateDec 22, 2020

Serial Number90403327

Registration No.6510439

Registration DateOct 05, 2021

Status DateOct 05, 2021

Published for OppositionJul 20, 2021

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

International Filings

Madrid Protocol1 filings

This mark has 1 Madrid Protocol filing on record with the USPTO.

1618727

480Jun 17, 2021

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 036Insurance, financial & real estate services

US codes: 100, 101, 102

First use anywhere: Feb 26, 2017

First use in commerce: Feb 26, 2017

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

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Feb 26, 2017

First use in commerce: Feb 26, 2017

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

21 events

TEAS SECTION 8 & 15 RECEIVED

Oct 07, 2026

TEAS SECTION 8 & 15 RECEIVED

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

Oct 05, 2026

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

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

Jul 24, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 24, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 24, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Oct 05, 2021

REGISTERED-PRINCIPAL REGISTER

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

Sep 22, 2021

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 22, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Sep 22, 2021

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 22, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

PUBLISHED FOR OPPOSITION

Jul 20, 2021

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 20, 2021

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 30, 2021

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Jun 17, 2021

ASSIGNED TO EXAMINER

EXAMINERS AMENDMENT -WRITTEN

Jun 17, 2021

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jun 17, 2021

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jun 17, 2021

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jun 17, 2021

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 17, 2021

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 09, 2021

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Dec 25, 2020

NEW APPLICATION ENTERED

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