Who owns the 1337CODE trademark?

The 1337CODE trademark is owned by Leetcode, LLC.

What class is the 1337CODE trademark registered in?

The 1337CODE trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for 1337CODE?

The USPTO serial number for 1337CODE is 99100917.

What is the registration number for 1337CODE?

1337CODE is registered under USPTO registration number 8442364.

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Updated Oct 6, 2026·31 searches this week

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133

USPTO Trademark Record

REGISTERED

1337CODE

SN 99100917·Reg 8442364·Filed Mar 24, 2025

Owner Leetcode, LLC

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.

1337CODE (Serial No. 99100917), Registration No. 8442364, is a registered US trademark filed on Mar 24, 2025 by Leetcode, LLC. This trademark covers Class 042 (Scientific, technology & SaaS services).

early section 8: September 15, 2032

Mark Intelligence

1337CODE (Reg. #8442364) is a registered US trademark that has been protecting its owner, Leetcode, LLC, since 2025. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 24, 2025

SERIAL

99100917

REG#

8442364

REGISTERED

Sep 15, 2026

Filing Information

StatusREGISTERED

Filing DateMar 24, 2025

Serial Number99100917

Registration No.8442364

Registration DateSep 15, 2026

Status DateSep 15, 2026

Published for OppositionSep 30, 2025

Filing Basis & Declarations

Standard Characters ClaimedUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Apr 21, 2026

First use in commerce: Apr 21, 2026

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

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Status History

20 events

REGISTERED-PRINCIPAL REGISTER

Sep 15, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 15, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Aug 20, 2026

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Aug 20, 2026

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Jul 14, 2026

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

May 07, 2026

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

May 07, 2026

USE AMENDMENT FILED

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

May 04, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 04, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 04, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

May 04, 2026

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Nov 25, 2025

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Sep 30, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 30, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 24, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 02, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Aug 22, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 08, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 24, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Mar 24, 2025

APPLICATION FILING RECEIPT MAILED

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