MONSTER LEAGUE Trademark
Trademark Overview
On Thursday, December 4, 2025, a trademark application was filed for MONSTER LEAGUE with the United States Patent and Trademark Office. The USPTO has given the MONSTER LEAGUE trademark a serial number of 99529575. The federal status of this trademark filing is PUBLISHED FOR OPPOSITION as of Tuesday, June 9, 2026. This trademark is owned by Oddball Sports Inc.. The MONSTER LEAGUE trademark is filed in the Computer & Software Products & Electrical & Scientific Products and Education & Entertainment Services categories with the following description:
Downloadable game software for use on tracking fantasy sports performance, achievements, and player statistics; Downloadable game software for use on fantasy sports competitions; Downloadable game software for use on mobile and cellular phones, as well as desktop computers, for playing fantasy sports games that incorporate role-playing game mechanics
Entertainment services in the nature of fantasy sports, namely, providing online fantasy sports games that integrate role-playing and character progression leagues; Entertainment services in the nature of fantasy sports, namely, organizing and operating online fantasy sports leagues and competitions, and providing a website featuring information and rankings for fantasy sports players contests
General Information
| Serial Number | 99529575 |
| Word Mark | MONSTER LEAGUE |
| Filing Date | Thursday, December 4, 2025 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| Status Date | Tuesday, June 9, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, June 9, 2026 |
Trademark Statements
| Goods and Services | Downloadable game software for use on tracking fantasy sports performance, achievements, and player statistics; Downloadable game software for use on fantasy sports competitions; Downloadable game software for use on mobile and cellular phones, as well as desktop computers, for playing fantasy sports games that incorporate role-playing game mechanics |
| Goods and Services | Entertainment services in the nature of fantasy sports, namely, providing online fantasy sports games that integrate role-playing and character progression leagues; Entertainment services in the nature of fantasy sports, namely, organizing and operating online fantasy sports leagues and competitions, and providing a website featuring information and rankings for fantasy sports players contests |
Classification Information
| International Class | 009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus. |
| US Class Codes | 021, 023, 026, 036, 038 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, December 4, 2025 |
| Primary Code | 009 |
| First Use Anywhere Date | Sunday, August 25, 2024 |
| First Use In Commerce Date | Monday, August 25, 2025 |
| International Class | 041 - Education; providing of training; entertainment; sporting and cultural activities. |
| US Class Codes | 100, 101, 107 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, December 4, 2025 |
| Primary Code | 041 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
Trademark Owner History
| Party Name | Oddball Sports Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Ojo Caliente, NM 87549
US |
| Party Name | Oddball Sports Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Ojo Caliente, NM 87549
US |
Trademark Events
| Event Date | Event Description |
| Thursday, December 4, 2025 | NEW APPLICATION ENTERED |
| Thursday, December 4, 2025 | APPLICATION FILING RECEIPT MAILED |
| Thursday, December 4, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Wednesday, April 8, 2026 | ASSIGNED TO EXAMINER |
| Tuesday, April 21, 2026 | NON-FINAL ACTION WRITTEN |
| Tuesday, April 21, 2026 | NON-FINAL ACTION E-MAILED |
| Tuesday, April 21, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Tuesday, April 28, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Tuesday, April 28, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, April 28, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Wednesday, May 13, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, June 3, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, June 9, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, June 9, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
