Serial Number
99480550
Owner
LeetCode, LLCAttorney
Sang Young HanFirst Use Date
Sep 1, 2015
Filing Date
Nov 5, 2025
Serial #99480550 Trademark
Serial Number: 99480550 • Registration: 8283283
Trademark Classes
Owner Contact Info
Legal Representation
Correspondence Address
Sang Young Han YK law(New Jersey)
333 Sylvan Ave, #107
Englewood Cliffs, NJ 07632
United States
Trademark Details
Filing Date
November 5, 2025
Registration Date
June 2, 2026
First Use Anywhere
September 1, 2015
First Use in Commerce
September 1, 2015
Published for Opposition
April 14, 2026
Goods & Services
Providing information about online education; Providing user reviews for entertainment or cultural purposes; Educational services, namely, developing, arranging, and conducting educational conferences and programs and providing courses of instruction in the field of computer programming; Providing information relating to education services; Providing user rankings for entertainment or cultural purposes