C21 SOCIAL XCHANGE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology) with 1 filings. The WikiTrademarks Expansion Score is 1/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 29, 2026
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Sign in to claimHow is C21 SOCIAL XCHANGE filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Nov 25, 2015 |
BETTER HOMES AND GARDENS REAL ESTATE LIC...
BURNET REALTY LLC
CARTUS CORPORATION
CDRE TM LLC
CENTURY 21 REAL ESTATE LLC
CGRN INC.
COLDWELL BANKER REAL ESTATE LLC
ERA FRANCHISE SYSTEMS LLC
MARTHA TURNER PROPERTIES, L.P.
NRT NEW YORK LLC
ONCOR INTERNATIONAL LLC
REALOGY GROUP LLC
SOTHEBY'S INTERNATIONAL REALTY LICENSEE...
TITLE RESOURCE GROUP LLC
ZIPREALTY LLC
|
JPMORGAN CHASE BANK, N.A., AS ADMINISTRA...
CHICAGO, ILLINOIS
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 86218014 | C21 SOCIAL XCHANGE | Mar 11, 2014 | Pending | 042 Science & Technology | Century 21 Real Estate LLC |
Weekly visibility reports showing how ChatGPT mentions C21 SOCIAL XCHANGE, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: C21 SOCIAL XCHANGE trademark portfolio
What trademarks does C21 SOCIAL XCHANGE hold?
C21 SOCIAL XCHANGE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 42 (Science & Technology). The most recent filings are registered to Century 21 Real Estate LLC.
How many trademarks does C21 SOCIAL XCHANGE have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to C21 SOCIAL XCHANGE. The brand has been actively filing since March 2014. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does C21 SOCIAL XCHANGE file most often?
C21 SOCIAL XCHANGE's most active class is NICE Class 42 (Science & Technology), 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 SOCIAL XCHANGE trademark?
The most recent filings under the C21 SOCIAL XCHANGE 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 SOCIAL XCHANGE expanding into new categories?
The current WikiTrademarks Expansion Score for C21 SOCIAL XCHANGE is 1 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 SOCIAL XCHANGE trademark filings?
Click the Watch Brand button at the top of this page to add C21 SOCIAL XCHANGE 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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