CK holds 13 USPTO trademark filings across 7 NICE classes. The largest concentration is in Class 25 (Clothing & Footwear) with 6 filings. The WikiTrademarks Expansion Score is 28/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 15, 2026
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Sign in to claimHow is CK 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.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Aug 6, 2014 |
CLEANKEYS INC.
|
TYPESOFT TECHNOLOGIES, INC.
MENLO PARK, CALIFORNIA
|
Recent Filings
Weekly visibility reports showing how ChatGPT mentions CK, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: CK trademark portfolio
What trademarks does CK hold?
CK holds 13 USPTO trademark filings across 7 NICE classes. The largest concentration is in Class 25 (Clothing & Footwear), Class 9 (Electronics & Software), Class 42 (Science & Technology). The most recent filings are registered to American Steel Carports, Inc..
How many trademarks does CK have at the USPTO?
WikiTrademarks tracks 13 USPTO trademark filings attributed to CK. The brand has been actively filing since August 1985. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does CK file most often?
CK's most active class is NICE Class 25 (Clothing & Footwear), with 6 filings. The full distribution across all 7 classes is shown in the Nice Class Distribution panel on this page.
Who owns the CK trademark?
The most recent filings under the CK mark are registered to American Steel Carports, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is CK expanding into new categories?
The current WikiTrademarks Expansion Score for CK is 28 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 CK trademark filings?
Click the Watch Brand button at the top of this page to add CK 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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