CNA holds 9 USPTO trademark filings across 4 NICE classes. The largest concentration is in Class 35 (Advertising & Business) with 8 filings. The WikiTrademarks Expansion Score is 12/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 19, 2026
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Filing Velocity (24 Months)
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Recent Filings
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FAQ: CNA trademark portfolio
What trademarks does CNA hold?
CNA holds 9 USPTO trademark filings across 4 NICE classes. The largest concentration is in Class 35 (Advertising & Business), Class 42 (Science & Technology), Class 36 (Insurance & Finance). The most recent filings are registered to Clark Core Services, LLC.
How many trademarks does CNA have at the USPTO?
WikiTrademarks tracks 9 USPTO trademark filings attributed to CNA. The brand has been actively filing since June 2015. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does CNA file most often?
CNA's most active class is NICE Class 35 (Advertising & Business), with 8 filings. The full distribution across all 4 classes is shown in the Nice Class Distribution panel on this page.
Who owns the CNA trademark?
The most recent filings under the CNA mark are registered to Clark Core Services, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is CNA expanding into new categories?
The current WikiTrademarks Expansion Score for CNA 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 CNA trademark filings?
Click the Watch Brand button at the top of this page to add CNA 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 CNA to another owner · Browse all NICE classes · Most valuable brands
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