SFN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 34 (Tobacco & Smoking) 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 August 25, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
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Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99603859 | SFN | Jan 20, 2026 | Registered | 034 Tobacco & Smoking | Caiju YIN |
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FAQ: SFN trademark portfolio
What trademarks does SFN hold?
SFN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 34 (Tobacco & Smoking). The most recent filings are registered to Caiju YIN.
How many trademarks does SFN have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to SFN. 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 SFN file most often?
SFN's most active class is NICE Class 34 (Tobacco & Smoking), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the SFN trademark?
The most recent filings under the SFN mark are registered to Caiju YIN. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is SFN expanding into new categories?
The current WikiTrademarks Expansion Score for SFN 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 SFN trademark filings?
Click the Watch Brand button at the top of this page to add SFN 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 SFN to another owner · Browse all NICE classes · Most valuable brands
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