ELFIN holds 2 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 15 (Musical Instruments) with 1 filings. The WikiTrademarks Expansion Score is 26/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 16, 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 |
|---|---|---|---|---|---|
| 99773630 | ELFIN | Apr 20, 2026 | Registered | 021 Housewares | Shenzhen Keaiduo Technology Industry Co., Ltd. |
| 90484804 | ELFIN | Jan 24, 2021 | Pending | 015 Musical Instruments | Liu Nian |
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FAQ: ELFIN trademark portfolio
What trademarks does ELFIN hold?
ELFIN holds 2 USPTO trademark filings across 1 NICE class. The largest concentration is in Class 15 (Musical Instruments), Class 21 (Housewares). The most recent filings are registered to Shenzhen Keaiduo Technology Industry Co., Ltd..
How many trademarks does ELFIN have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to ELFIN. The brand has been actively filing since January 2021. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does ELFIN file most often?
ELFIN's most active class is NICE Class 15 (Musical Instruments), with 1 filings. The full distribution across all 1 classes is shown in the Nice Class Distribution panel on this page.
Who owns the ELFIN trademark?
The most recent filings under the ELFIN mark are registered to Shenzhen Keaiduo Technology Industry Co., Ltd.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is ELFIN expanding into new categories?
The current WikiTrademarks Expansion Score for ELFIN is 26 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 ELFIN trademark filings?
Click the Watch Brand button at the top of this page to add ELFIN 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 ELFIN to another owner · Browse all NICE classes · Most valuable brands
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