L-21 DEVELOPMENT BY DESIGN holds 1 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 41 (Education & Entertainment) with 1 filings. The WikiTrademarks Expansion Score is 4/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 23, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99377319 | L-21 DEVELOPMENT BY DESIGN | Sep 05, 2025 | Registered | 041 Education & Entertainment | The L-21 Group, LLC |
Weekly visibility reports showing how ChatGPT mentions L-21 DEVELOPMENT BY DESIGN, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: L-21 DEVELOPMENT BY DESIGN trademark portfolio
What trademarks does L-21 DEVELOPMENT BY DESIGN hold?
L-21 DEVELOPMENT BY DESIGN holds 1 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 41 (Education & Entertainment). The most recent filings are registered to The L-21 Group, LLC.
How many trademarks does L-21 DEVELOPMENT BY DESIGN have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to L-21 DEVELOPMENT BY DESIGN. The brand has been actively filing since September 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does L-21 DEVELOPMENT BY DESIGN file most often?
L-21 DEVELOPMENT BY DESIGN's most active class is NICE Class 41 (Education & Entertainment), with 1 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the L-21 DEVELOPMENT BY DESIGN trademark?
The most recent filings under the L-21 DEVELOPMENT BY DESIGN mark are registered to The L-21 Group, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is L-21 DEVELOPMENT BY DESIGN expanding into new categories?
The current WikiTrademarks Expansion Score for L-21 DEVELOPMENT BY DESIGN is 4 out of 100, which is low — the brand is focused on defending its existing categories rather than expanding. The score combines NICE class breadth, filing velocity, and the rate of cross-class movement from the brand's filing history.
How can I track new L-21 DEVELOPMENT BY DESIGN trademark filings?
Click the Watch Brand button at the top of this page to add L-21 DEVELOPMENT BY DESIGN to your Watchlist. New filings show up on your WikiTrademarks dashboard within 24 to 48 hours of being public, alongside any class expansions, status changes, or assignment events.
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