C21 CENTURY 21 holds 0 USPTO trademark filings across 0 NICE classes. 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
No class data available.
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| No filings recorded. | |||||
Weekly visibility reports showing how ChatGPT mentions C21 CENTURY 21, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: C21 CENTURY 21 trademark portfolio
What trademarks does C21 CENTURY 21 hold?
C21 CENTURY 21 holds 0 USPTO trademark filings across 0 NICE classes. The largest concentration is in no class data available yet.
How many trademarks does C21 CENTURY 21 have at the USPTO?
WikiTrademarks tracks 0 USPTO trademark filings attributed to C21 CENTURY 21. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does C21 CENTURY 21 file most often?
C21 CENTURY 21's NICE class distribution is shown on this page once filing data is indexed.
Who owns the C21 CENTURY 21 trademark?
Ownership detail for C21 CENTURY 21 is shown in the Ownership & Assignment History section on this page once assignment records are indexed.
Is C21 CENTURY 21 expanding into new categories?
The current WikiTrademarks Expansion Score for C21 CENTURY 21 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 CENTURY 21 trademark filings?
Click the Watch Brand button at the top of this page to add C21 CENTURY 21 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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