C21 COMMERCIAL holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 36 (Insurance & Finance) with 1 filings. The WikiTrademarks Expansion Score is 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 29, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 87034627 | C21 COMMERCIAL | May 12, 2016 | Abandoned | 036 Insurance & Finance | Century 21 Real Estate LLC |
Weekly visibility reports showing how ChatGPT mentions C21 COMMERCIAL, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: C21 COMMERCIAL trademark portfolio
What trademarks does C21 COMMERCIAL hold?
C21 COMMERCIAL holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 36 (Insurance & Finance). The most recent filings are registered to Century 21 Real Estate LLC.
How many trademarks does C21 COMMERCIAL have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to C21 COMMERCIAL. The brand has been actively filing since May 2016. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does C21 COMMERCIAL file most often?
C21 COMMERCIAL's most active class is NICE Class 36 (Insurance & Finance), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the C21 COMMERCIAL trademark?
The most recent filings under the C21 COMMERCIAL mark are registered to Century 21 Real Estate LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is C21 COMMERCIAL expanding into new categories?
The current WikiTrademarks Expansion Score for C21 COMMERCIAL is 0 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 C21 COMMERCIAL trademark filings?
Click the Watch Brand button at the top of this page to add C21 COMMERCIAL 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.
More on this portfolio: Compare C21 COMMERCIAL to another owner · Browse all NICE classes · Most valuable brands
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