CALLIS OS holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 41 (Education & Entertainment) with 1 filings. The WikiTrademarks Expansion Score is 4/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed October 12, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99702722 | CALLIS OS | Mar 14, 2026 | Registered | 041 Education & Entertainment | Kannon Callis |
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FAQ: CALLIS OS trademark portfolio
What trademarks does CALLIS OS hold?
CALLIS OS holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 41 (Education & Entertainment). The most recent filings are registered to Kannon Callis.
How many trademarks does CALLIS OS have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to CALLIS OS. The brand has been actively filing since March 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does CALLIS OS file most often?
CALLIS OS's most active class is NICE Class 41 (Education & Entertainment), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the CALLIS OS trademark?
The most recent filings under the CALLIS OS mark are registered to Kannon Callis. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is CALLIS OS expanding into new categories?
The current WikiTrademarks Expansion Score for CALLIS OS is 4 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 CALLIS OS trademark filings?
Click the Watch Brand button at the top of this page to add CALLIS OS 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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