MLB Professional Development Leagues, LLC
116 live US trademarks, filing since 1993.
Marks held on the register, by filing date. 2026 is year to date.
A multi-class mark counts once per class. Rank shown where the owner is in the class's top 50.
What MLB Professional Development Leagues, LLC filed most recently.
| Mark | Class | Filed | Basis | Status | Serial |
|---|---|---|---|---|---|
| FLORIDA STATE LEAGUE EST. 1919 | 41 | Jul 16, 2024 | — | registered Feb 4 | 98650720 |
| CALIFORNIA LEAGUE | 41 | Mar 29, 2024 | — | registered Mar 4 | 98475187 |
| Q | 25 | Mar 15, 2024 | — | registered Sep 23 | 98451021 |
| MILB | 9 | Sep 28, 2023 | — | published | 98202657 |
| MILB | 16 | Sep 28, 2023 | — | published | 98202664 |
| MILB | 18 | Sep 28, 2023 | — | published | 98202669 |
| MILB | 25 | Sep 28, 2023 | — | published | 98202675 |
| MILB | 28 | Sep 28, 2023 | — | published | 98202682 |
| MILB | 41 | Sep 28, 2023 | — | published | 98202687 |
| CHARLESTON ALLEY CATS | 25 | May 9, 2023 | — | published | 97926826 |
A filing missed by the due date enters a six-month grace period, then the registration cancels.
Recorded as the nightly register update observes them. A cancelled or expired mark no longer blocks a new filing of the same name.
About MLB Professional Development Leagues, LLC trademarks.
How many trademarks does MLB Professional Development Leagues, LLC have?
116 live US trademarks as of October 23, 2026: 108 registered and 8 pending applications. None have been filed in 2026 so far.
What does MLB Professional Development Leagues, LLC sell, according to its trademarks?
Mostly clothing & footwear (Class 25, 70 live marks). Also education & entertainment (Class 41) and paper & printed matter (Class 16).
Who owns the CAROLINA LEAGUE trademark?
CAROLINA LEAGUE is owned by MLB Professional Development Leagues, LLC. It was registered on April 12, 1994 (Reg. No. 1830642) and is live. The same owner holds 115 other live US marks.
When did MLB Professional Development Leagues, LLC first file a trademark?
Its oldest live US filing dates from 1993: CAROLINA LEAGUE, filed February 3, 1993.
Know the morning after MLB Professional Development Leagues, LLC files.
Watch this company in Thorgate and get an alert for every new application, registration, publication and lapse, with the opposition deadline already worked out. Or monitor your own marks for conflicts with theirs.
Data: USPTO trademark bulk files, processed nightly by Thorgate. Last rebuilt October 23, 2026. Counts cover the US federal register only, not state or foreign marks. Owner names are shown as recorded by the USPTO. This page reports public-record facts and dates and is not legal advice. For the official record of any mark, follow its serial number to USPTO TSDR.