LEETCODE

LIVE

Serial Number

99531726

Owner

LeetCode, LLC

Attorney

Sang Young Han

First Use Date

Jul 6, 2015

Filing Date

Dec 5, 2025

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LEETCODE Trademark

Serial Number: 99531726

LEETCODE is a trademark filed by LeetCode, LLC on December 5, 2025. The trademark is classified under Class 45 (Legal & Security Services). The application is currently pending registration.

Trademark Classes

Class 45 - Legal & Security Services

Legal services; security services for the protection of property and individuals

Owner Contact Info

LeetCode, LLC (2 trademarks)

34546 Milburn Ter
Fremont, CA 94555

Entity Type: 16

Legal Representation

Attorney of Record

Sang Young Han

2,312 trademarks filed View all →

Correspondence Address

Sang Young Han YK law(New Jersey)

333 Sylvan Ave #107

Englewood Cliffs, NJ 07632

United States

Trademark Details

Filing Date

December 5, 2025

Registration Date

Not Registered

First Use Anywhere

July 6, 2015

First Use in Commerce

July 6, 2015

Published for Opposition

May 5, 2026

Goods & Services

Online social networking services

Filing History

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 5, 2026 NPUB

PUBLISHED FOR OPPOSITION

May 5, 2026 PUBO

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 29, 2026 NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 8, 2026 CNSA

ASSIGNED TO EXAMINER

Apr 8, 2026 DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 2, 2026 NWOS

TEAS AMENDMENT ENTERED BEFORE ATTORNEY ASSIGNED

Dec 8, 2025 TAEA

TEAS VOLUNTARY AMENDMENT RECEIVED

Dec 8, 2025 PARI

APPLICATION FILING RECEIPT MAILED

Dec 5, 2025 MAFR

NEW APPLICATION ENTERED

Dec 5, 2025 NWAP

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