Who owns the LEETCODE trademark?

The LEETCODE trademark is owned by LEETCODE, LLC.

What is the serial number for LEETCODE?

The USPTO serial number for LEETCODE is 88112995.

What is the registration number for LEETCODE?

LEETCODE is registered under USPTO registration number 5727561.

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Home Search: LEETCODELEETCODE #88112995

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Updated Oct 27, 2026·25 searches this week

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LEE

USPTO Trademark Record

REGISTERED

LEETCODE

Q: What class is the LEETCODE trademark registered in?

The LEETCODE trademark is registered in Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services).

SN 88112995·Reg 5727561·Filed Sep 11, 2018

Owner LEETCODE, LLC

Advertising; business management, organization and administration; office functions.; Education; providing of training; entertainment; sporting and cultural activities.

LEETCODE (Serial No. 88112995), Registration No. 5727561, is a registered US trademark filed on Sep 11, 2018 by LEETCODE, LLC. This trademark covers Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services).

Section 8/9 declaration window: April 16, 2029

Mark Intelligence

LEETCODE (Reg. #5727561) is a registered US trademark that has been protecting its owner, LEETCODE, LLC, since 2018. The mark covers Class 035 (Advertising, business management & retail services) and Class 041 (Education & entertainment services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Education; providing of training; .... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 11, 2018

SERIAL

88112995

REG#

5727561

REGISTERED

Apr 16, 2019

Filing Information

StatusREGISTERED

Filing DateSep 11, 2018

Serial Number88112995

Registration No.5727561

Registration DateApr 16, 2019

Status DateFeb 03, 2025

Published for OppositionJan 29, 2019

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Sep 01, 2015

First use in commerce: Sep 01, 2015

Advertising; business management, organization and administration; office functions.

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Sep 01, 2015

First use in commerce: Sep 01, 2015

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

13 events

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

Feb 03, 2025

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

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Feb 03, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 31, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 15 RECEIVED

Sep 13, 2024

TEAS SECTION 8 & 15 RECEIVED

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

Apr 16, 2024

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

REGISTERED-PRINCIPAL REGISTER

Apr 16, 2019

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jan 29, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 29, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 09, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Dec 20, 2018

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 20, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 19, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 14, 2018

NEW APPLICATION ENTERED

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