21CT holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 41 (Education & Entertainment) with 3 filings. The WikiTrademarks Expansion Score is 12/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 7, 2026
Protect or track "21CT"
Watch this name and we'll alert you when anyone files a similar mark.
Informational only, not a legal opinion. Consult a trademark attorney before filing or enforcing.
Own this brand? Claim the profile to add your logo, story, and website.
Sign in to claimHow is 21CT filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99601190 | 21CT | Jan 18, 2026 | Registered | 041 Education & Entertainment 042 Science & Technology | ToxStrategies, LLC |
| 99601192 | 21CT | Jan 18, 2026 | Registered | 041 Education & Entertainment 042 Science & Technology | ToxStrategies, LLC |
| 99589228 | 21CT | Jan 12, 2026 | Registered | 041 Education & Entertainment 042 Science & Technology | ToxStrategies, LLC |
Weekly visibility reports showing how ChatGPT mentions 21CT, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: 21CT trademark portfolio
What trademarks does 21CT hold?
21CT holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 41 (Education & Entertainment), Class 42 (Science & Technology). The most recent filings are registered to ToxStrategies, LLC.
How many trademarks does 21CT have at the USPTO?
WikiTrademarks tracks 3 USPTO trademark filings attributed to 21CT. The brand has been actively filing since January 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does 21CT file most often?
21CT's most active class is NICE Class 41 (Education & Entertainment), with 3 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the 21CT trademark?
The most recent filings under the 21CT mark are registered to ToxStrategies, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is 21CT expanding into new categories?
The current WikiTrademarks Expansion Score for 21CT is 12 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 21CT trademark filings?
Click the Watch Brand button at the top of this page to add 21CT 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 21CT to another owner · Browse all NICE classes · Most valuable brands
Community notes
0 notesShare what you know about 21CT and help the next person researching it.